Thursday, April 4, 2019

Impact of Beliefs on Learning | Essay

Impact of Beliefs on Learning EssayCPPD doorReflection has become a fundamental component of maestro bafflement of instructors and lecturers in the Further procreation (FE) and Higher Education (HE) sector (Harkin, 2005). The womb-to-tomb accomplishment sector can be seen to transcend twain these paradigms and circumstances of post-compulsory study. This essay savoir-fairees some key segments of reflecting upon the experience of a teacher in Beauty Therapy within the lifelong buncoing sector, addressing the intersection between the personal and experiential and the theoretical/pedagogical aspects of the habit and its function.Teaching roles and context within the lifelong teaching sectorTeaching roles within the lifelong attainment sector await to be related to the kind of precept, the kind of subject, and the kind of learner (Zukas, 2006), a three-way relationship which I take hold observed to be perhaps more than negotiated upon a day to day basis than riged in one single pedagogical theory or framework. It is nonable that within the lifelong learning sector, on that point seems to be a crossover between the vocational type of education, and more traditional teaching, and in particular, these roles of teachers are very much ground on how best to meet student directs. Therefore, it seems that one element of the teaching role within this context is related to learning on the job or learning through doing (Eraut, 2004), and the becoming element of the process of becoming a teacher in this context is a response to the demands of the job, rather than a formal process which prepares you to carry out the role. While this might lick against the theories of pedagogy, being a much more personal take on what the teaching role is, it is based on perceptions of professional identity as well as an understanding of dominant archetypes of the role in a formal sense (Beckett and Gough, 2004). battle of Austerlitz and James (2008) describe the stirr ed journeys that students go through in further education as a process of cognition through which emotions help students to appraise situations and develop knowledge and understanding.This may be an main(prenominal) berth to consider within the lifelong learning sector, because of the effigy of types of students and types of subjects that are prevalent within this sector. There is no single student demographic, no single blast to pedagogy, no one-size-fits-all model of teaching and learning. Bathmaker and Avis (2005) carried out research into professional identity formation amongst trainee FE lecturers, and found that rather than identifying offspringive processes of increasing participation in existing communities of practice, a strong sense of marginalisation and alienation amongst trainees was observed (p 47). Bathmaker and Avis (2005) suggest that this lack of engagement in communities of practice is detrimental both to trainees and experienced lecturers if they are to acti vely engage in building new forms of professionalism for the future (p 47). I would draw from this the concept that formal training processes do not necessarily positively contribute to role formation, definition and professional identity, and that learning is much more experiential and interactive. Hagger et al (2008) support this view, and suggest that experiential learning dominates learning of this type.Own teaching role and context within the lifelong learning sectorMy admit teaching role is to teach and support students to learn on two levels. The first is to learn the functional skills and abilities of the stunner therapy industry, so that they can become capable, effective practitioners. Beauty therapy is no soft option. In fact, there is a great deal of precision, dexterity and deeper learning involved in acquiring the skills to function as a therapist. The second element of the learning is for students to develop knowledge and understanding of the body, of health, of in dividuals and their holistic wellbeing, in methodicalness to contextualise the activities that they carry out within their roles, and to be able to provide suitable treatments, therapies and the like to appropriate clients. The trio element of the role is to support students to develop the communication and interaction skills necessary to be able to forge together knowledge and practical skill into their own professional role and identity, and work effectively as a therapist within a team. My role within this setting is to teach, but in like manner to facilitate learning, raise difficult issues, support students to resolve complex questions, and act as a role model. Part of my role is to assess practical activities, and then provide feedback so that students can learn from their experiences and learn to improve their own practice through materialisation and evaluation (Edwards and Nicoll, 2006 Solomon et al, 2006). My role also involves becoming more aware of the impact of my r ole on the students, and attempt to be as good a teacher as I can be. More and more, however, my role involves other activities, including administration, engaging in marketing and enlisting activities, and looking for new topics and curriculum teachings (Chivers, 2006).Impact of own beliefs, assumptions and behaviours on learners and othersMy own beliefs about learning ingrain not only the learners who I interact with, but also their interactions with others, particularly clients. I believe that my own actions, reflections, and the way I respond to emergent situations within the teaching context are likely to see the students and how they learn as much as the formal, planned learning activities I provide for them. It is through reflection on my actions as a teacher that I have realised that reflection itself becomes a self-referent process, which changes the way I behave and react to students, which then changes their responses to me.Austerlitz and James (2008) have developed a model which describes and captures PPD statements which are used in the further and higher education sectors (see Figure 1).Figure 1 PPD Model (after Austerlitz and James, 2008).This model encompasses many of my own beliefs about the ways in which students interact with their learning processes, and in particular, how they respond to my teaching and learning activities. Every aspect of learning must have an emotional element, and to exclude this from pedgagogical processes and theories is to overlook important aspects of how students learn and how they behave when applying that learning. Yet there is some evidence that up-to-date perceptions of teaching roles within the FE sector are also changing (Thompson and Robinson, 2008). I believe that the Austerlitz and James (2008) model could provide a means by which students could themselves identify the emotional elements of their learning and address this, through reflection, in proactive ways.Impact of own professional, personal and interpersonal skills, including literacy, numeracy and ICT skills on learners and others.I have used a range of teaching approaches, including some innovative use of ICTs, including using ICTs to make posters and musical theme maps, to aid the application of new knowledge and exploration of complex situations. These have had a positive effect on some students who relate well to ICTs, particularly younger students, and have also helped students who are more visual learners. However, in relation to professionalism, I think it is my professional skills and experience which have positively impact on students development of awareness and understanding of the complex interactions between beauty therapist and client. The current kindly construction of beauty, particularly in relation to ageing, raises issues about client experiences and emotional/psychological wellbeing (Paulson, 2008 Radley, 2000). Students need to understand the emotions and thoughts which underlie the desire that wo men have for the different kinds of beauty therapies, and be able to interact in a credible way with clients and meet their requests in appropriate ways. My own professionalism helps this because I set a good example, exemplify proper interactions, and support students to address often challenging issues such as intimacy, privacy, body-image and the like. finishingOverall, the most important aspect of my role as an educator is as a role model, and not simply as a role model of good communications behaviours or good practical skills, but as a questioning, reflective, responsibly practitioner, who sees clients as individuals, not just in relation to their treatments. It is important not to simply perpetuate traditional ways of working, but to question practice and the self in the professional context, and by acting as a reflective practitioner myself, I can encourage my students to develop similar skills and perhaps become better professionals because of it.ReferencesAusterlitz, N. an d James, A. (2008) Reflections on emotional journeys a new perspective for reading fashion students PPD statements. Art, Design and Communication in Higher Education 6 (3) 209 219.Chivers, G. (2006) The work roles and development needs of vocational lifelong learning professionals in British higher education. Journal of European industrial Training 30 (3) 166-187.Zukas, M. (2006) Pedagogic learning in the pedagogic workplace educators lifelong learning and learning futures. International Journal of Pedagogies and Learning 2 (3) 71-80.

Wednesday, April 3, 2019

Piracy at sea, past and present

plagiarism at sea, prehistoric and presentSummaryThe purpose of this taradiddle is to groom readers of the plagiarism at sea comparing plagiarisation in the past and present. The earlier record of piracy at sea was in the family 69 in the Mediterranean sea, thus far piracy is suspected to feature dated pole to the time where humans started using the sea as their spate r bulge outes the exact date is not cognize. The Medias utilise to gather and salt away to put this news report together was in general found on face engines wish Google or yahoo and online encyclopaedias as well contributed, minimal information was run throughn from report articles. The hi stratum of piracy, in far-famed pirates, background of pirates and excessively modern daylight pirates argon plainly a few of the points on piracy that allow for be covered in this report. The act of piracy is mainly carried out for g honest-to-goodness or money that the pirates bequeath demand for ce rtain(a) goods that they abide conductn from a ship or the entire ship itself. The entirely punishwork forcet for pirates in the past was hanging if they were caught except the navy was now and indeed called in to capture these pirates and in some cases large numbers of pirates were wiped out. The agent of the Jolly Roger was by 18th century pirate Captain mformer(a) fucker Calico Rackham. The bodies of the hanged pirates were sometimes left alone to sc atomic number 18 the civilians preventing them from wanting to sprain pirates to distract the grisly fate of death by hanging. There are many ca roles for the un usually large number of pirates in Somalia however the compar able-bodied ceasenot be express for pirates in other parts of the humanness as the organization lacking Somalia can do little to prevent ships from other countries from over searching and dumping of toxic waste in their irrigate destroying their marine life. In the past wooden ships with sails and occasionally oars were employ by pirates and a fortify hull would often be added to ram ships. Modern day pirates however use small speed boats that are able to chase gloomy large tankers on shipping lanes and they are excessively equipped with semi-automatic rifles. approximately shipping companies hold up equipped their ships with radar and a sonic limb that creates a high frequence sound wave bursting the ear drums of pirates preventing from pirate vessels, the radar dishs to locate nearby vessels that are unknow allowing the chieftain to jumper cable the ship away from them before they are spotted. Some companies also re dispatch their ships to take a grander more expensive routes in hunting lodge to avoid places like Somalia where there are many pirates. The solely thing that is world done by presidency is the prosecution of anyone who commits an act of piracy. I do not agree with this as in my thought process the root of the hassle should be first addressed b efore the secondary one can be overcome. For pillowcase the root of the problem of piracy in Somalia would be the lack of government so that should be solve first however nothing is done to solve it. Pirates have long been used in Medias such as the movies and television where the pirates are visualised as stack who wear the same thing all the time and carry weapons. The media also show pirates with weird accents and they use weird combination of linguistic process that will be later revealed in shows or books what they mean. 1. Introduction1.1 PurposeThis report will be used to educate muckle and allow them to and understand piracy at sea and to allow introduction of certain methods that could be used to prevent piracy, precautions that can be taken by both the government and the shipping industry. It will consist of the definition, the causes, history of piracy at sea to date and also statistics on the subject.1.2 Background piracy dates back to the time when populate star ted using the sea as trade routes. It is an act of robbing or cause violence to the sailors on another vessel. buccaneering can occur on shore or at sea, the numerous definitions of modern day piracy allows kidnapping where one holds a prisoner for ransom. Seizing of valuable items carried on the ship while on route to a port for example oil, cars, weapons. The sinking of ships is also considered an act of piracy.1.3 order of inquiryMost of the information in this report was attained by collecting information from multiple online databases and compiling them. Other sources include newspaper articles also biographies of hostages and pirates that decided to pen down their experiences, documentaries also contributed to the production of this report as many interviews were done on both pirates and their victims.1.4 Scope of ResearchThis report will mainly cover the history of pirates and their origins, well known pirates and the things they did to become infamous, pirates in presen t day their causes and ways to help or prevent them from successfully commandeering ships and kidnapping hostages for ransom.2.1 Early beginningsThe oldest records tell us that the earliest known pirate went by the name of Anicetus born in capital of Italy and died in Georgia. He was a captain in the Mediterranean Sea during the year 69. However it is conceptualised that piracy started from as early as when men started using oceans as trade routes.2.2 AimsThe main aims of pirates are believed to plunder and scar from other vessels or kidnapping for ransoms. Most pirates truly had to lag to piracy in order to exit while some did it for the adrenaline pot or an act of rebellion.2.3 stairs taken in the past begin of pirates for bounty was common in the past as it was used as a way to discourage them from continuing in their line of work. That tactical manoeuvre hardly worked and some nations raised fleets in order to fight back against the pirates and provide some protection on trade routes where pirates are known to roam.2.4 Infamous PiratesThe 18th century pirate Calico Jack Rackham was famous for the use of the Jolly Roger which become a symbol for pirates and is still used in entertainment purposes.The Vikings were also made famous by story books and directs that portrayed them as pirates with round shields that wielded axes and wore their infamous helmets with antlers or horns mounted on top.2.5 HangingsPirates in the past were sentenced to hang and their bodies were often left to hang for a certain period of time in order to instil business concern into mountain preventing them from approaching the life of a pirate. Many infamous pirates that were hanged include William Kidd, Charles Vane, Jack Calico Rackham, and William Fly. 3. Causes of piracy3.1 SomaliaThe main reason why Somalia fishermen have begun to turn to piracy as their occupation would be because of the collapse of the Somalia government in 1991 which led to the lack of law enforced on the sea approximately Somalia allowing fishing vessels from other nations to carry out large graduated table pollution and fishing of the rich seas surrounding Somalia. This eventually led to the depletion of fish around the area that forced fishermen to look for other means to survive in the already economically unstable country. Many of which were too old to change and take the time to learn new skills as their families were esurient hence they eventually resorted to piracy. They believe that the true criminals are in accompaniment those that depleted their natural resources and polluted it. Their act of piracy is merely a mean of communicating with the world telling them that they require help and people need to stop dumping waste and overfishing in their waters. Before the people resorted to piracy they attempted to chase away illegal fishing trawlers from their waters by approaching them with speedboats and attempting to collect a fee from them but this was delusive as. I t is a known fact that over 300 million dollars expenditure of fishes and other goods are illegally caught and smuggled from there by these fishermen. Their attempts to live fishing in their own waters have also failed as they claimed foreign fishing vessels attempt to ram them and have cut their gelt which makes the problem even worst. Their lack of government prevents them from communicating to the world as there is no appointed leader. Many of the veritable pirates in Somalia started of as a group that wanted to give some signified of security to fishermen but eventually became pirates. Hence the main problem can be said to be their lack of government an issue that has to be solved eventually to stabilize the country that is currently falling apart. Certain world(prenominal) unions however back the Somali pirates and even support them as they believe it is a way of telling the world that they need help and people need to stop illegally fishing and dumping waste in their wat ers.Picture of a Somali pirate3.2 Other parts of the worldPirates are also known to roam around the straits of Malacca, Singapore, the departure Sea and the Indian Ocean. These pirates commit piracy with different reasons compared to the Somali pirates as they do it because they can, compared to most Somali pirates that do not have a choice. Some of these pirates are just gangsters that do it because it is a abhorrence. 4.1 Methods used in the past by piratesPirates in the past used fast boats in order to chase down merchant vessels or outrun navies. When attempting to refined sugar a merchant vessel they would go close enough to use grappling hook and display board the ship starting lineing and killing every(prenominal)one aboard, they would then either bury the treasure or bring it back to their strongholds where the loot will be split among them with the captain dividing the loot up as while he took a larger share, for other vessels such as fishing or navy vessels they wou ld either attempt to outrun them or ram them with their reinforced hulls sinking ships. Later pirates also used cannons to modify ships for easier plunder. Many of the crew would carry weapons such as swords or guns to fight.4.2 Methods used by pirates in the modern ageModern day pirates confusable to their older counterparts make use of small speed boats to chase after merchant vessels heavily armed with modern day semi-automatic weapons they would then board the ship and capture the crew as hostage for a ransom that the shipping company will have to pay in order to get the goods, ship and crew back to continue the journey. These ransoms can be large sums of money which is why many shipping companies nowadays resort to taking a longer more expensive trip alternatively than risking the chance of their ships getting taken by pirates. 4.3 genuine piracy statisticsplagiarization at sea has an estimated loss of 13 to 16 billion dollars individually year, with the current surge of p irates in Somalia these numbers are believed to increase. The money compiles from mainly ransom collected by pirates and also belongings of the crew member.5.1 Current methods to prevent piracyThe methods currently used at sea are the guardling of swoop guards around straits that provide a false sense of security to vessels as these coast guards are not able to visualize every ship in and out of their country hence piracy occurs quite frequently at places with little or no coast guards where the guards will be out of site or have just past the area. Ships are also equipped with radar so it is up to the crew members to defend themselves from pirates as regularly checking the radar will help them avoid areas where unknown vessels are in the area. Some ships are also equipped with a sonic weapon that emits a high frequency sound wave which is able to burst ear drums preventing pirates from boarding the ship.5.2 Steps taken by the governmentThe current laws enforced by the government against pirates is that action will be taken against anyone that puts a life in danger or is a threat to communication at sea5.3 Steps taken by shipping companiesThere are a few precautions that shipping companies can take against pirates. However the few step that are being taken by shipping companies include the rerouting of routes around areas that have a high rate of being attacked by pirates, routing their ships to embrace a safer path by staying close to coast guard patrol routes and also helping their crew prepare against pirate attacks or they could also completely avoid these areas.5.4 Steps that should be taken in my opinionFirstly the main problem that is causing people to becoming pirates should be addressed, for example the lack of a government in Somalia could be said to be the main problem in the high pirate population in the country. Hence the United Nations ought to seek away to solve it for example colonizing it to a country with more economic stability or take some responsibility and help to lead the country out of poverty. judicature of countries close to Somalia should also take action and ensure that their fishing vessels do not illegally enter into Somalia to fish, allowing Somalis to return to their way of life. 6. Pirates portrayed by the mediaMovies on pirates usually include them dressed in a long coat with a few layers of clothes inside and the captain usually wears a triangular hat and carries a blade by his side. The captain is usually a formidably fighter that has certain values like leadership, rough edged voice, fierce look and a quick reason that is able to think clearly through battle. The term walk the cover was popularized by the film peter pan. Many movies also showed pirates talking in their unique accent and the many uncommon words used. Pirates were also portrayed as people that held many secrets and talked frequently in code words where viewers would not know the meaning until the actions were carried outPicture from the film Pirates of the Caribbean7. ConclusionWith this report i conclude that piracy is a crime that has been around for an extremely long time and this will not change. The only thing that we can change will be the number of pirates at sea by rooting out the problems we will be able to help some of the pirates who have been forced into a life of piracy for example the Somali pirates. It can also be concluded that if governments from every country in the world take some responsibility the current rate of piracy can be lowered.

The Overemphasis On Physical Appearance Sociology Essay

The Overemphasis On Physical Appearance Sociology Es vocalize In what vogue preempt it be argued that an overemphasis on is physical port alienates individuals from themselves? Is the body assort of the self or separate from the self?To answer this question, first of all it is necessary to understand what physical appearance means for individuality, and how it influences on souls self-image and self-perception. Persons appearance is a meaning of his identity.Appearance is a expression of self-appraisal of person in overall positive or a negative attitude.When self-appraisal is independent and autonomous, it does non dependent on external evaluations.But in most cases the person tries by the appearance to attract the attention of surrounding people, and show his informal world, the mood and character.Through the appearance person reveals his identity to a crabbed favorable menage, individual tonestyle with his characteristic values, and, last bargonly non least, intera cts with various aspects of the fond environment and changes them.A person can secure his goals by manipulating the impression he makes on some opposite people.That is, appearance is a continuation of humans inner world, so the body can not be separated from the spiritual and emotional side.2. Several of the mannikinical theorists believed that much(prenominal) than of modern life has become objectified and sharpized. In addition to the beas of the body, celebrity, and medicine, in what opposite argonas has modern life become objectified and rationalized?Comparing the situation in present-day(a) culture and society that was a hundred years ago, many critics and theorists say that it has become objectified and rationalized. First of all this process is connected with the globalization, that has brought certain standards in the world.Globalization has led to fundamental changes in the relationship surrounded by folk, elect(ip) and mass culture, it lowered the conditio n of the culture as it was before.At the akin time it brought mass culture, turning it into a leading element of a cultural strategy of post-industrial society.The mass culture is like a surrogate designed to meet the lowbrow tastes of poorly educated population.3. Is it possible to effectively untie the rational and stupid, mental and emotional dimensions of life to create a more humane society? wherefore or why not? Should social theorists even be concerned about such an release?Rationality one of the most great concepts of philosophy, sociology and psychology.The characteristic of our time is a neglect of rationality, that is mainly due to the uncertainty in the single-valued function of this notion.What is rational and what is irrational?Rationality, like morality, is essential characteristic of behavior.It is important to distinguish between the rational and irrational behavior.An important feature of the actions that is mentioned irrational or rationally forbidden ( rationally prohibited), is that virtually no one would support people to confide these acts, on the contrary, they would have tried to convince not to do so.To call something rational or rationally acceptable does not mean to licence all of this, in these words there is only one modal nuance of lack of conviction.Many people want to draw a clear line between facts and values, rational and irrational.If you get rid of the irrational motives, it means the mental rule of reason over the behavior, which requires adherence to specialized actions, conditions, programs, limiting the freedom of thought.However, the above indicates that such a clear mark is impossible, because rationality is in some way a subjective judgment.4. What are the long-term implications of the open sale of human reed organs for social superstar and divisiveness in the United States?The problem of sale of human organs is a matter of division of society into two views for and against.Also, this issue has two problems A rapid withdrawal of transplantation at the aim of mass formula An equally rapid growth of the declarations and documents of ethics adopted by superior associations, regulations and new laws, which develops and offers modern law and adopt modern nations of Europe and America, Asia and Africa. groundbreaking transplant did not create utopian concepts, but wants to r all(prenominal) the level of respectable rules and standards of sale of human organs.They see a direct fellowship between the progressive development of transplantation and overcoming of social psychological bar in the form of conventional sacred culture, with its system of rituals and attitudes towards death.They believe that the winner of transplantation is possible only in conditions of developed and prepared everyday opinion, that shall have absolute humanistic values across the range of practices of organ transplantation. Changing spiritual situation in the society, the democratization of social c onsciousness, which come to on the idea of human rights, led to a change in measures of responsibility for human life.The increase in moral pluralism, the need for ethical and legal controls on the experimental research, medicalization of life, the globalization of bioethical issues all this makes urgent the grasp movement of further development of the social problems of bioethics, which includes the issue of trade of human organs.5. What are the most insightful or useful measures of class speckle? Why? How does unlikeness on each of these measures affect the lives of individuals?The recent trend in democratic industrialized countries of the world is increasing social mobility, that improve the status to representatives of every individual groups in society combined with the persistence of their poor socio- frugal position.Subordination of the major social groups, their division into superior and inferior position reflects the concept of social class.Social classes are usuall y distinguished from other on the basis of their economic situation, the stability of the social situation of their representatives, obstacle of social mobility, the transition from the lowest class in the highest, as hale as the multiplicity of their representatives.All this makes them significant and sometimes define the measures of class position. Most measures of class position are aimed at influencing the process of social inequality and convergence status positions of the general population of industrialized countries, because the makeup of the middle class does not negate the existence of traditional class position and the stratification of differences. (Delaney, 2003)6. What evidence is there to assess the adequacy and/or inadequacy of Marxs predications about the relationship between workers and larger employers?Many of the ideas on social inequalities derived from the Marxist theory of stratification and class.The mode of production determines the economic organization of each formation.Marx believed the economic organization of the main aspect of society.It includes a technology division of labor and, most importantly, a relationship organize between people in the production system.These relationships play a make out role in the Marxist concept of class.Marx argued that in any eccentric of economic organization is the ruling class, which owns the means of production (factories, raw materials, etcetera) and provides control over them.Due to the economic power of the ruling class decides the urgency of those who are working for him.(Berberoglu, 2005)Marx thought that workers would see that they were exploited this would lead to a deep, inescapable conflict between workers and owners.Marx predicted that with the development of capitalism, the bourgeoisie would become richer, and the trade union movement poorer.The conflict would intensify, and in the end the workers would make a revolution, the revolution would be worldwide, leading to the overthrow of capitalism and the transition to socialism.Marxs prediction was wrong capitalism has not led to results that he expected.First of all, government and the capitalists themselves began to pay more attention to the needs and demands of the workers due to political pressure and through the system of collective bargaining now workers in the U.S. have high salaries and bonuses, in addition, they receive unemployment benefits.7. What parallels exists in the ideologies used to maintain contrary racial and grammatical gender categories as separate status groups? What is your position on Durkheims prediction that the use of zip and gender for positioning individuals in occupations will be eliminated someday?One of the earliest explanations of inequality due to gender or race was proposed by Emile Durkheim.In the paper On the division of social labor (1893) Durkheim concluded that in all societies, some activities are shooted more important than others.In a society highly value d the achievement of religious salvation, that was characteristic of Puritans in colonial times.Another company may consider the social value of material wealth.All the functions of society law, religion, family, work, etc.can form a hierarchy according to how highly they are valued.This view is expressed by Durkheim in his famous remarkWhen I get word my duty brother, husband or a citizen, then I fare the obligations prescribed by law and custom and which are external to me and my actions Similarly, a believer from birth detects in the ready-made form of beliefs and practices of religious lifeand, if they existed before him. Therefore, they exist outside of it. The system of symbols that I use. aphid expression, monetary system, which I use for payment of debts, credit facilities, which I use in their commercial message activities, procedureswhich I follow because of their profession all these and similar things operate, regardless of my usage. In turn, if we turn to each memb er of society, then those comments are true for each of them. (Durkheim, 1964)I dont agree with his position, because society is a set of multiple identities?If we train a certain group, we see not a collective entity, but only a group of individuals interacting with each other in different ways.8. Discuss the common threads in the arguments on inequality establish in each of the classical theorists. On what do they agree of disaccord?In contemporary westbound, especially American, sociology, social scientists hold several contend views on inequality.At the heart of the operating(a)ist theories is the idea that some activities the society considers it more important than others.Proponents of these theories, inequality is a means of ensuring public confidence in the fact that such activities, carried out the most qualified individuals.Supporters of Conflictological theories suggest that inequality is due to more favorable position of those who control the social wealth.Their v iews are base on the theory of classes and social stratification, designed by Karl Marx. check to this theory, the economic system of any society creates two main classes, one of which operates or controls the other.(Berberoglu, 2005)In the concept of stratification, Weber identifies three factors wealth, prestige and power.These factors are often but not always interact.The theory of stratification based on the criteria Warner reputation of people within the community. match to this theory, belong to a particular social class is determined by the members of the community.(Berberoglu, 2005)In the functional approach we can point out the theory of middle class (or the new middle) class ( Aron, Daniel Bell and others).Theories of the middle class were a disapproval of the quantitative growth of the officials, intellectuals, managers, enhancing social protection and education of workers and several other groups, as well as the convergence of income, consumption and lifestyles of the general population.According to followers of the theory of the middle class, this process led to the elimination of traditional class distinctions between the bourgeoisie and the proletariat and the social formation of a new social groups, encompassing and unifying value pain legal age of the population of industrialized countries its the middle class is.This includes individuals who possessing family income, education, prestige role in life, lifestyle and identify themselves with this group of society.According to exit polls, in Western countries for more than half the population (70-80%) identify themselves as middle class. brass of the middle class society provides a high level of social homogeneity, smooths or even eliminate class conflicts, helps to reconcile the positions of parties, trade unions, etc.(Berberoglu, 2005)

Tuesday, April 2, 2019

What is penal welfarism? Garlands theory.

What is punishable welfarism? chaplets theory.What is punishable welfarism? try the pretend it has had on insubstantial rightness reform in the UK from the germ of the twentieth century to the present.In order to evaluate the impact of punishable welfarism upon adolescent jurist reform, the concept leave behind be defined with author to garland (2001). The contributing societal factors to the offshoot of punishable welfarism in teen jurist reform will then be assessed. The practical and level-headed achievements of penal welfarism in the juvenile arbitrator governance will be identified. Challenges to penal welfarism will be protrudelined, with particular reference to alternate concepts of juvenility justness and roughshodity. The demise of the penal welfarism cash advance will be assessed, with particular(prenominal) reference to the motivating societal factors and comparison between the Welsh, English and economical juvenile justice systems. penal welfaris m as defined by Garland (2001) as a structural response to offense that is composed of dickens ideological standpoints. Due process and proportionate punishment, with their inherent liberal ideologies, arrest that all the rights of the juvenile wrongdoer are respected. The punishment is fitting to the crime and the circumstances of the juvenile offender. Rehabilitation and offender wellbeing are approached from a correctionalist viewpoint. This entails that the punishment served by the offender master(prenominal)tains a localize upon the rehabilitation of the offender, as does the approach of professionals who work with the offender during the punishment period. In short, penal welfarism suggests that rehabilitation will be most effective if the offender is provided with positive motif patch in the care of the penal reform system. The logic place the practice is that if the offender is provided with the opportunity to progress in the penal ecesis, they will wish to conti nue to do so when change aroused back into society.The notion of penal welfarism is derived from applying the practicalities of the welfarism ideology to the penal system. The welfarism concept asserts that policy requires evaluation in legal injury of its consequences (Kaplow Shavell, 2002). This assessment is most frequently made using a useful approach, i.e. the usefulness of the approach in question. The logical application of this concept to the penal system dictates that policy regarding offender treatment should be assessed in legal injury of offender rehabilitation, i.e. the offender will not repeatedly offend upon release and as a result society will be safer. The focus is upon the usefulness of the punishment, i.e. its resulting benefit to society and improvement of personal conditions. Therefore penal welfarism maintains a focus on respecting the rights of the individual and maintaining a rehabilitative approach as this is deemed to be the most beneficial approach f or both the offender and for society.The formation and application of penal welfarism to juvenile justice reform is interconnected with the emergence of a benefit state at the turn of the twentieth century (Garland, 2002). The welfare state was implemented by the Liberal governance in order to meet demands to negate social insecurity while protecting free trade and a capist economy (Daunton, 2007). The emergence of free trade had resulted in increased unemployment and harsher social conditions for those at the bring low end of the pay spectrum. However, free trade and capitalism were deemed as models that compulsory protection. Therefore pensions, health function and other such welfare services were centralized and nationalized to ensure that these individuals would be protected in the capitalist state. Garland (2002) identifies these welfare systems as being rooted in ideologies of protection and integration, so that even the most disadvantaged members of society are protecte d by the welfare state. Out of this ideology was born penal welfarism for juvenile justice. As these social and economical reforms based taxation upon the basis of the individual workers alternatively than according to the class system (Leonard, 2003), each member of society was handle upon the basis of individual circumstance, in theory dispelling the class system. Therefore, within the penal system for juvenile justice, individualism arose where the rights and rehabilitation of each offender was considered. The main legal and practical development in respect to penal welfarism was the separation of individuals at a lower place the age of 21 from adults in the justice system. In well-fixed of the requirement to individualize and respect the rights of each juvenile offender, juvenile courts were formally established by the Children function 1908 (Goldson Muncie, 2008). In addition to this, corrective Borstals were created for juveniles under the age of 21. Individuals could b e sentenced to a period in such an institution for between mavin and three years. It was considered that these institutions were to focus on rehabilitation of the juvenile, and the study of the juvenile to be re-integrated with society upon their release (Muncie, 2006). The role of the juvenile justice system was further defined by the Children and Young Persons Act 1933 (Ikin, 1933). This Act entailed the reorganization of reform schools so that they provided education to offenders and training so that they whitethorn find employment upon completion of their sentence. Furthermore capital punishment for some(prenominal) offender below the age of 18 was abolished by the Act. Issues of anonymity were as well as covered (Ikin, 1933). The media were and are able to report the name of an adult offender if it was deemed to serve public interests. However, the identity of juvenile offenders was protected by the law.The penal welfarism approach to juvenile justice was criticized on both economical and ideological grounds. Economically, this system, and the welfare system in general, was criticized as being born out of concern of free trade and the emergence of corporations as the dominant pecuniary players in society (Platt, 2002). Increased spending on the welfare system and individualist taxation were contributing factors to this. Ideologically, the concept has been challenged with reference to the societal conception of crime reformation and with reference to the individual in the system. In toll of the latter, it is the goal of reformation that is problematic. For example, Hudson (2002) outlines institutional sexism that was apparent in the penal welfarism definitions of rehabilitation. Discrepancies in the social moral code that must be adhered to by males and females highlighted iniquity in the treatment of females in this system. While rehabilitation of the male juvenile offender think on the criminal act, female rehabilitation centre much more strong ly on personal and sexual demeanour within society. In terms of societal conceptions of crime, it has been argued that viewing the juvenile as on a linear path through deviance (diversion) whitethorn be more effective in terms of negating re- offend (Austin Krisberg, 2002). Furthermore, re-defining what is considered a criminal act, for example, the redefinition of drug use as a social as impertinent to a criminal problem may result in a more effective approach to the problem in comparison to penal welfarism (Austin Krisberg, 2002). After a period of a Labour government on the job(p) to enhance the ideology of care for the juvenile offender in the sixties the penal welfarism approach began to decline when the Conservatives came to power in the 1970 General choice (Smith, 2007). It was considered that the judicial and welfare aspects had become disjointed, and the focus began to grow upon the judicial minutes of the system. This is evident by the significant increase in the n umber of juveniles receiving custodial sentences in the 1970s (Rutter Giller, 1983). The ideology increasingly narrowed onto punishment and mince (Geisthorpe Morris, 2002) throughout the 1980s, especially in England and Wales. The issue of juvenile crime was focused onto the victims, with the criminals perpetrated as depraved (Jones, 1994). Echoes of this can be gossipn in present day society where hooded teenagers are feared by adult society (for an example of this see MacLean, 2008). Importantly, the savage Justice Act 1991 brought in a separation of systems, one to deal with juveniles requiring judicial attention, and one for those in need of welfare supply (Geisthorpe Morris, 2002). While England and Wales fully segregated these cardinal systems, Scottish practices of juvenile justice policies maintained a higher level of communication between the two approaches. However, societal moral panics regarding serious youth crime and repeat offending has created a concern that juvenile offenders are not aware of the impact of their actions (Jones, 1994). This could possibly be related to the breakdown of community. These concerns have paved the way of life for a juvenile justice ideology that is based upon restorative justice as set out by the callowness Justice and Criminal Evidence Act 1999 (Geisthorpe Morris, 2002).Penal welfarism refers to a system that presents positive motivations for juvenile offenders to develop while in the penal system. The concept arose with the birth of the welfare state. Penal welfarism resulted in the separatism of juveniles from adults in the judicial process, the eradication of capital punishment for juveniles and anonymity of juvenile offenders from the media. As a concept, it was challenged for the welfare states impact upon free trade. It was also challenged by its characterisation of the juvenile offender diversion and decriminalisation were offered as alternate ideologies. The concept demised with the segregation of welfare and judicial proceedings for adolescents. Societal factors for this include a fear of the juvenile offender. This has led to a focus on restorative justice which is implemented in juvenile reform today.ReferencesAustin, J., Krisberg, B. (2002). Wider, stronger and different nets the dialects of criminal justice reform. In J. Muncie, G., Hughes E. McLaughlin (Eds.), Youth Justice detailed Readings, London sage Publications Ltd.Daunton, M. (2007). wealthiness and Welfare An Economic and Social History of Britain 1851-1951). Oxford Oxford University Press.Garland, D. (2001). The Culture of Control criminal offence and Social Order in Contemporary Society. Chicago University of Chicago Press.Garland, D. (2002). Penal strategies in a welfare state. In J. Muncie, G., Hughes E. McLaughlin (Eds.), Youth Justice Critical Readings, London Sage Publications Ltd.Geisthorpe, L., Morris, A. (2002). Restorative Youth Justice the last vestiges of welfare? In J. Muncie, G., Hughes E. McLaughlin (Eds.), Youth Justice Critical Readings, London Sage Publications Ltd. Goldson, B., Muncie, J. (2008). Youth Crime and Juvenile Justice. London Sage Publications Ltd.Hudson, A. (2002). Troublesome girls Towards alternative definitions and policies. In J. Muncie, G., Hughes E. McLaughlin (Eds.), Youth Justice Critical Readings, London Sage Publications Ltd.Ikin, A.E. (1933). Children and Young Persons Act, 1933 organism the Text of the Statute together with Explanatory Notes. London Sir I. Pitman and Sons.Jones, M. (1994). Images and veracity Juvenile crime, youth violence and public policy. London National Council on Crime and Delinquency.Kaplow, L., Shavell, S. (2002). Fairness versus Welfare.Cambridge, MA Harvard University Press.Leonard, M. (2003). Promoting Welfare? Government Information indemnity and Social Citizenship. Bristol Policy Press.MacLean, D. (2008). New hoodies are a yobs dream. The Shields Gazette, 9th August.Muncie, J. (2006). From Borstal to YOI. In Y. Jewkes H. Johnston (Eds.) Prison Readings. Devon Willan Publishing.Platt, A. (2002). The triumph of benevolence the origins of the juvenile system in the United States. In J. Muncie, G., Hughes E. McLaughlin (Eds.), Youth Justice Critical Readings, London Sage Publications Ltd.Rutter, M., Giller, H. (1983). Juvenile Delinquency Trends and Perspectives. New York Guilford Publications.Smith, R. (2007). Youth Justice Ideas, Policy, Practice. Devon Willan Publishing.

Monday, April 1, 2019

Freud and Eysencks Theories of Crime

Freud and Eysencks Theories of CrimeFreud Eysencks opening of Crime Crime inletBy studying the work of criminologists Freud and Eysenck, this essay go forth incorporate of me adverting at key psychological factors, I go a elan control at the strengths and limitations of their record theories of offensive activity. I entrust come in forward a wide range of explanations, by studying the work of the criminologists and trying to meet the causes of crime, for example psychological issues.Psychology relates to the study of pluralitys mind. Psychological theories of crime look at the differences in person behaviour and how that makes it more likely for individuals to bill a miserable act. The suit for these differences may be due to personality characteristics, biological factors, or social connections. (Freud, S. 1961)Psychodynamic explanations of crime and distressing behaviour halt their origins, by looking at the signifi nominatet work of Sigmund Freud (1956-1939). Th e psychoanalytical amaze developed by Freud in which he deals that a human progresses, earlier in life sentence. Freud comes to say the human personality has three sets of interacting forces. These include the id, the self-importance and the superego. These argon three members in a human personality that instill them to be project in the manner they do and make individuals what they be.Firstly the id which is believed to be primitive, which supplys unconscious drives for food and sex. The id triggers humans to do on the whole the things that feel thoroughly, regardless if they be wrong. A electric s confuser who is cries when they argon hungry, this is the id triggering the electric s permitr for the call for to be met. Secondly, is the superego which contains the conscience. According to Freud the superego consists of values and ethics internalised through a persons life.The super ego merges surrounded by the id and ego. It helps individuals feel exhaustively ab bring out something they harbour d bingle virile and feel guilty for something they have done wrong. Thirdly, the ego or the conscious personality, this personality component helps humans face earthly concern by adjudicating between the other cardinal components id and superego. self helps individuals non to fol impression every desire they have which is created by the id. This component allows the principle of reality which guides improper sexual and aggressive drives to suitable intentions. The ego is something that is learnt.Freud believes humans argon born with their id. Freud believes the id holds importance to the personality, for example the id allows a new-sprung(a) to get its needs met by clapperclawing. The id is set on getting diversion the id wants whatsoever feels good despite the outcome of the situation being bad.By looking at the example of a child who will cry to meet his blessednesss, this is a good way to explain how the id works the id will speak unti l the needs ar met. The id just wants to meet its own satisfaction without any consideration some reality. aspect at babies who are blunt to their parents, weather on that point parents are sleeping eating etc.if they want something they will cry for it until they get it. This shows if the id wants something, noning else is important.During the child growing through life the back up component of the personality develops. This is known as the ego, the ego looks at the reality surmise. Not like the id the ego is more considerate it understands feeling and emotions of others and takes them into account. thus the ego meets the needs of the id, at the alike(p) cartridge holder looking at the reality of the condition.By the time a child is five the evolution of the third personality component develops. Freud called this Superego. The superego is seen as the honest part of humans. It determines what is mighty or wrong by looking the moral and ethical barriers displace by p eople around us.The ego according to Freud is the most powerful component. Freud believes that the ego complies with the desires of the id and the superego. At the same time the ego relates on the factors of reality. Freud believed that if the id gets a strong desire and self satisfaction obtains an individuals life. The stronger the superego is, the more an individual will be driven to harsh ethics.By looking at the teaching of the superego, is it state that the superego acts on the ego. The superego is believed to internally have rules and punishments the superego praises and punishes the child in the same way as the parents. This then builds up to the child learning what is dependable and wrong.The id works for pleasure and superego wants control the semblanceship with parents is seen as important. Assumed that the visitation to develop a superego was the result of the parents being unloving or missing(p) for much of the childs upbringing (Aichhorn, 1963). Nevertheless havi ng parents who are genial and caring could have the same effect. Freuds possible action concludes around the estimation that versed, dynamic forces influence human behaviour.On the other hand Eysenck was one in many psychologists to study personality. Eysencks personality surmisal was diverse. Eysenck base it upon psychological concepts of conditioning whereas Freuds conjecture was base on conscience, entirely Eysenck cyphered the concept very differently. Eysenck believes there is a biological basis to personality. Were individuals are genetically predestined. Eysenck believes individuals run for to learn the rules and norms of society through conscious. This is obtained through happenings in life, when involved in certain situations. He goes on to say the good receive rewards and the bad or unexpected are punished.Eysenck also believes there are three dimensions to a personality. Firstly extraversion which is said to have two components impulsiveness and sociability, each of which are independent of each other. Eysenck looked at extroversion as individuals who bask positive events especially social events, they are seen to enjoy involvement in gatherings e.g. parties. They enjoy mixing in with others and talking quite an then being on their own. Extraverts are seen to fade if they are on their own or bored. People who are extraverts enjoy interacting with other and are seen to be assertive and talkative.Extraversion in individuals allows them to spend more time with people and less time on their own. They are seen to have a more positive approach and are more energised when people are around. They are seen to take risks and hold transmitership abilities.Low extraversion is denotative as introversion. This is totally opposite to extroversion. Example of introverts are writers, artist etc. People with high introversion are only concerned and arouse in their own psychological life. Introverts enjoy spending time on there own, for example they enjoy reading and writing rather than salty in activities such as social gatherings. Introverts are seen to be low key.Introverts enjoy observing situations in the beginning they take part, they allow themselves to squeeze on a certain activity or person before they get involved or take part in another. Introverts should not be considered as shy people, due to them as individuals enjoying time dog-tired by themselves they dont hold fear of mixing in with people. Due to there own preference they enjoy time spend on their own.Eysenck referred neuroticism or instability to individuals who have negative emotions, such as people who are moody, anxious, and highly insensitive. Stability then is the lack of this behaviour. Individuals with high N are seen as neurotic whereas someone with a low score would be see as stable. Eysenck found that women are more neurotic than men.Little (1963) carried out research by comparison the scores for convicted young offenders on the extroversion and neuroticism scope with those who are non-offenders. The outcome of his research was that there was no difference in relation to extroversion but the offenders scored higher on the neuroticism dimension. Neither fraction showed the relation of replicate offending.Eysenck (1977) agues that different combinations of different personality scopes in spite of appearance people influence their capability to learn not to offend and whence the aim of offending someone with a high E and high N equal a stable introvert. Introverts are seen as the most effectively conditioned. Eysenck found that stable extroverts and neurotic introverts come somewhere between the two limits in provisions such as conditioning.Sigmund Freud defined psychoanalysis as a method of mind investigation, and especially of the unconscious mind (Freud 1920). looking for at the relationship between psychoanalysis and crime, Freud created the psychoanalytic theory this theory is used in criminology to explain crim e. Freuds psychoanalytic theory is based on the fact that individuals welfare of a strong relation between the id, ego and superego. However Freud never had much to say about crime.This theory is based on the basis of why crime is impartted, and the savvys for crime at bottom an individual. Freud based it on the fact that crime is caused by e.g. conflict in individuals early life that leads them to twist criminals. Freuds theory suggests that individuals with anti-social tendencies, in the unconscious of there mind, they tend to come back back to traumatic events in their early life, which causes long term psychological problems. Another reason why Freud believes individuals become criminals and start committing crimes is due to the id getting out of control.Freud went on to say that there are three possible reasons for individuals to commit crime which relate to his theory areStrong conscious which creates guilt within individualsWeak conscious which does not control individ ual desires andCriminal needs for instant pleasure.Freuds theory suggests that individuals may have tension or disagreements in their mind which lead to guilt. As a result they come views and feelings inside that make them wanting to be punished. He feels unconscious differences reason crime.Displacement according to Freuds psychoanalytic theory is when an individuals desire changes from something that is wrong or intolerable to something that is right and suitable. For example when something does not go right for someone i.e. exam and the pupil feels angry at the teacher due to them asking hard, difficult questions. The pupil knows that they cant say anything to the teacher and to take they anger out they take it out on someone closer to them i.e. there little brother. This allows individuals not to commit crime and control their feelings and urges and carry out their anger in not a criminal manner.Freud expresses repression as the procedure to condemnation. He believes that peopl e have memories, urges, etc but these feelings are hard or unacceptable to think about, individuals tend to take them out there mind and conscious and not think about them. This is what Freud expressed repression as, which is comparable to suppression.Theories of over control start with the view that crime and criminality are subjective, meaning there is confliction between them as the definition changes over time. Over control relates to the concern of criminalisation, and why individuals become selected criminals and why individuals react different to them. Over control is a theory that society can make, adjust or remove rules which have been placed.The developing of a criminal personality can be due to the way a child had been bought up from an early age. This could lead to the child developing a criminal personality when the child becomes older. Freud planned two different models of criminal behaviour. He firstly looked at the types of criminal activity e.g. incendiarism shopl ifting etc. he looked at his theory psychosexual culture and believed that the disruption of psychic development which may easily be disrupted, leading(a) to neuroses. He believed that people affected at anyone or more of theses periods in childhood may be the reason for criminal behaviour in later life.Freud believes that psychosexual development of a child is the inspiration or impact of the parents, the impact of the parents is seen to be unconscious. Freud believed that both parents and child are not conscious of the influence they have on each other, therefore he believed that there is less chance of parents producing children that offend.Secondly Freuds model of criminal behaviour was the offenders acquire a weak conscious. Freud stated that the progress on the conscious is essentially significant on the upbringing of the child. He sees morals are closely linked to guilt, and those individuals who have an unconscious guilt are the ones who are most liable to be part of crimi nal behaviour.Aichhorn (1925) argued that the present of a child has certain natural desires that want satisfactions. A child is unaware and unaffected by the values of society surrounding the child. The parents therefore should bring the child to a social state. If the upbringing of the child is uneffective the child remains asocial. This could lead to actual offending behaviour. He believed that individuals with fully developed conscious but had parents who were criminals themselves. Secondly there were those who had been allowed to do whatever they wanted by weak parents.I think that psychoanalysis can be used to explain types of serial killing or moral disorders. I feel that individuals who kill people or suffer from a mental illness is due to past experiences they experienced, therapists use psychoanalysis in order to retrieve into the unconscious mind of an individual. They get individuals to talk about what comes into there head and studying the dreams of the individual, the therapist than makes the individual aware of things that are going occurring in there mind that they are unconscious of.Theorists believe the unconscious mind is strange. They believe that individuals cannot work out there problems themselves, which lead to other people sorting out there issues.The criticism of this theory is that people believe that Freud theory is too simple to explain the concentration of the human mind Freud overstated sex and was seen to be sexiest. Looking at his theory was a feminist approach, Freud theories were believed to be essentially from a manly viewpoint with his own self-analysis. He hardly integrated female viewpoints into his theories.Looking at the relationship between Eysencks personality theory and crime, Eysenck believes by looking at traditional theory there is no therapy of behavioural disorders. Eysencks theory of criminal behaviour puts together biology, social and individual features. Children who are socialised and bought up the rig ht way, makes the child aware of the right and wrong things, they will then keep away from activities that will have consequences Eysenck believes children control there own impulses.Eysenck believes individuals behaviour is inner initiative and motivation. Looking at personality and criminal behaviour it is believed that life alone can not justify why individuals turn to crime. Eysenck said that children that are born with criminal features or due to experiences that lead them to be criminals. Criminal doings are seen as inner desired which are not fulfilled (sublimation).Eysencks theory has been criticized due to a great descend of doubt and ambiguity regarding the validity and trueness of his theory. Farrington (1994) however proposed the approach taken seems to at least indentify a discrete connection involving offending and impulsiveness. though Farrington found no significant connection with personality. Eysenck study on anti social behavior has not yet been fully tested.Con clusionBy looking at the work of both criminologists Eysenck and Freud, I feel that the more research should be done on the causes of crime in the future, by looking at the critics of both theorist it has been said that Freud being prejudiced and the ambiguity of Eysenck work could not really clarify why individuals fare the way they do. I feel that more research should be put into the work of researchers. Looking at psychodynamic and behavioural learning traditions a criminal mind or personality does exist.ReferencesAichorn, A. (1963). Wayward Youth. NY Viking.Farrington, D. (1994). Psychological Explanations of Crime. Dartmouth Aldershot.Freud, S. (1941). Criminals from a wiz of Guilt pp. 332-33 Vol. 14 The Standard Edition of the Complete Psychological full treatment of Sigmund Freud. London Hogarth Press.Freud, S. (1961). The Complete Works of Sigmund Freud (Vol. 19). London Hogarth.Little, A. (1963). An Introduction to Criminological Theory Second edition, Roger Hopkins Bur ke.

Detecting Plasma Leakage in Patients with DHF

Detecting Plasma Leakage in Patients with DHFCHAPTER 1 foundingDengue disease is one of the most rapidly spreading mosquito-borne viral disease in tropical and sub-tropical regions around the world.Dengue has become a study international public health concern. The incidence of dengue has swelled dramatically around the world in recent decades. Over 2.5 gazillion people over 40% of the worlds population ar now at risk from dengue. WHO currently estimates there whitethorn be 50 blow million dengue infections worldwide e very(prenominal) year.Dengue is transmitted to world by the bite of Aedes mosquitoes. According to WHO (2014), Dengue causes a unsafe flu-like illness, and sometimes a potentially lethal complication called dengue haemorrhagic febricity. About 2.5% of those that ar infected by dengue break-dance since dengue has neither preaching nor vaccination.Plasma leakage is the major cause of deathrate and morbidity in patients with dengue hemorrhagic febrility. So t hat too soon cognition of plasm leakage and prompt initiation of appropriate treatment atomic human activity 18 vital. There atomic tot up 18 only few researches which are done for germ plasm leakage sensing in patients with DHF.Dengue virus infections may be asymptomatic or may lead to undifferentiated pyrexia, dengue fever (DF) or Dengue haemorrhagic fever (DHF) with plasma leakage that may lead to Dengue shock syndrome (DSS).DF is generally an acute febrile illness, with unvoiced headache, myalgia, arthralgia and rashes. Leucopenia and thrombocytopenia may also be observed. Although DF may be benign, it could be an incapacitating disease with severe headache, muscle and joint and bone pains. at times unusual haemorrhage such as gastroin tasteinal bleeding, hypermenorrhea and great epistaxis may occur.Undifferentiated fever and classical dengue fever elicit be managed as any other viral fever with symptomatic treatment. However, often it is difficult to differentiate DF from DHF in the early level (febrile variety) of the illness.DHF is characterized by the acute onset of high fever and is associated with signs and symptoms similar to DF in the early febrile phase. Plasma leakage is the hallmark of DHF which occurs soon afterwards the end of the febrile phase. There is a tendency to develop DSS cod to plasma leakage. Therefore suspected DF and DHF patients should be closely monitored to identify patients with DHF.The point and the rate of plasma leakage in DHF lav vary. It can be minimal in some patients while in others it can be very significant. The leak usually starts slowly, improvers gradually, slows down and then ceases altogether at the end of leakage phase (usually within 48 hours from the onset).(Ministry of Health, 2012)1.1 Description of the explore count onThe main purpose of this research study was to design a remains to detect the plasma leakage in patients with DHF by analyzing patients aesculapian checkup records .Fur ther, by exploitation this system doctors can intervene early treatment of shock.In recent years machine instruction methods direct been widely use in health check diagnosis. Medical diagnosis is one of major paradox in medical application. Several research groups are workings world wide on the development of flighty intercommunicates in medical diagnosis. anxious electronic communicates are use to increase the accuracy and objectivity of medical diagnosis.Detecting plasma leakage is considered as a non-linear problem that turn ins the complex causative relationship between the variables. However, an artificial neural engagement that is suitable for problems of extreme complexity non addressable with ceremonious technologies, either by the conventional computer programming or statistical method.In this research project multilayer feed preliminary neural interlock was used to train and runnel medical records of patients with DHF and DF. The trained network used to test more records of DHF patients to probe the network performance and in order to make system concrete to use in a real time hospital setting. The diagnostic performance of the proposed network is validated with Receiver Operating Characteristics (ROC) analysis to assess the sensitivity and specificity.1.2 Literature Survey1.2.1 Current methods for plasma leakage detection1.2.1.1 HemoconcentrationCurrently, clinical identification of plasma leakage is difficult until DHF develops. The most park method of monitoring leakage relies on identification of haemo-concentration, determined by tracking changes in HCT measurements, with a rise of more than 20% from baseline considered evidence of significant leakage. However, this method can be rather insensitive, especially if the patient is receiving parenteral fluid therapy, and it is also limited by the detail that an individuals baseline value is rarely known.(Ministry of Health, 2012)1.2.1.2 UltrasonographyStudies using ultra sound have demonstrated that pleural effusions, ascites and gall bladder debate oedema are common during the critical phase, and correlate with disease severity. In addition, serial ultrasound studies indicate that subclinical plasma leakage can be detected as days 2 to 3 of fever, and is give away at predicting likely disease progression than other marker of plasma leakage such as HCT measurements. Gallbladder wall oedema appears to infix the development of ascites and effusions, and may therefore be a helpful early predictor of outcome. Thus ultrasonography is a useful monitoring tool, and where available, should be considered in the overall assessment during the febrile phase. However, there are plastered limitations, particularly the lack of defined normal ranges for the parameters of interest, the variability in measurements obtained by different operators, and the lack of specificity of the findings.(Srikiatkhachorn, Krautrachue, Ratanaprakarn, al, 2007)1.2.1.3 white mea t X-RayChest X-ray is recommended to increase the sensitivity of detecting pleural effution. Pleural effusion detected clinically may not be obvious in a Chest X Ray (CXR)-PA, but may be seen only in a CXR chastise lateral decubitus film. (Ministry of Health, 2012)1.2.2 Expert SystemsAn expert system can be divide into two sub-systems the inference engine and the association base. The knowledge base represends facts and rules. The inference engine applies the rules to the known facts to deduce new facts. illation engines can also include explanation and debugging capabilitiesCHAPTER 2 BACKGROUND AND conjecture2.1 Vital Parameters2.1.1 PulseThe pulse is how many times a delicate that our arteries expand and contract in response to the heart. This rate is exactly check to the heartbeat.2.1.2 Pulse Pressure2.2 Neural network2.2.1 Artificial Neural network vs Biological Neural networkAn artificial neural network is a mathematical model or computational model based on biological n eural network. In other words, it is an emulation of biological neural system. An ANN is a network of highly interconnecting processing elements ( nerve cells) operating in parallel. inbred neurons receive signals through synapses located on the dendrites or membrane of the neuron. When the signals authoritative are strong enough (surpass a certain thresh superannuated), the neuron is initiate and emits a signal though the axon. This signal might be sent to another synapse, and might activate other neurons.(Gershenson,2003)2.2.2 Model of Neural cyberspaceArtificial neuron is a highly abstracted model of the indwelling neuron. Inputs of artificial neuron behave like synapse of a biological neuron which are multiplied by weights (strength of the respective signals), and then computed by a mathematical cash in ones chips which is called Transfer function (also known as energizing function) in order to determine the activation of the neuron. The model of a neuron also includes an e xternally applied bias (threshold) that has the effect of lowering or increasing the net input of the activation function.2.2.3 Multilayer Feed forward (MLF) Neural NetworkA MLF neural network consists of neurons that are ordered into layers. The archetypal layer is called the input layer, the last layer is called the return layer, and the layers between are hidden layers. A neural network that has no hidden units is called a Perceptron. However, a perceptron can only represent linear functions, so it isnt powerful enough for the kinds of applications. A multilayer feed forward neural network can represent a very broad set of nonlinear functions. Therefore, it is very useful in practice.2.2.4 Transfer functionThe behaviour of an ANN depends on twain the weights and transfer function that is specified for the units. There are third transfer functions most commonly used for multilayer networks.2.2.5 oversee LearningSupervised learning is an approach to find the input- turnout rela tionship based from the training using a set of information. Fig. 2.6 represents the block diagram of manage learning. Learning system is fed with the input data and generates product, which is then compared with the target to compute the fracture signal by arbitrator. The error is sent to the learning system for come along training until the minimum value of error is generated. (Muhammad Akmal Sapon, 2011)2.2.6 Backpropagation AlgorithmThe backpropagation algorithm is used in feed-forward ANNs. Artificial neurons are organized in layers and send their signals forward, and then the errors are propagated backwards. The network receives inputs by neurons in the input layer, and the output of the network is given by the neurons in the output layer. There may be one or more intermediate hidden layers. The backpropagation algorithm used for supervised learning. The network computes the error that is the difference between output and desired target and the backpropagation algorithm calculate how the error depends on the input, output and weights. The backpropagation technique reduces this error, until the ANN learns the training data.2.2.7 Training the networkCHAPTER 3 METHODOLOGY AND carrying outIn this research project Microsoft Excel 2010 was used to analysis the stash away data and MATLAB R2013a (8.1.0.604), 64-bit(win64) software was used as a tool to run through and to train the Neural Network.3.1 Data CollectionThe records of 10patients with DHF and 6 patients with DF from September 2013 to April 2014which are obtained from centre for clinical Management of Dengue and Dengue Hemorrhagic fever government hospital in Negombo. The data consists of total 1081 instances which 164 instances belonged to the leaking phase and 139 instances belonged to the non-leaking phase. apiece data consists of 10 variables such as heart rate, systolic and diastolic blood pressures, PCV, Temperature and all are coded as numeric values. The patients are both male and fema le between 18 to 60 years old and who have over 50kg weight. These measurements are taken at equally separated time points (hourly) since the patient was admitted to the hospital.3.2 Data PreparationOne of the most in-chief(postnominal) parts in data preparation is to determine the best variables that set up to the decision-making. The data selection step requires some detailed knowledge of the problem domain and the underlying data. Therefore, the selections of the variables are based on the advice of the doctors and also the go off of the literatures. Even though there are quite a number of variables entered into the Observation Chart, only five variables are identified as the authorised variables that contribute to the detection of plasma leakage. They are as follows,3.3 Neural Network TrainingThe training method was supervised training. Input vector contained 490 data for leakage phase and 591for non-leakage phase. The respective target for each was2-element class vector w ith a 1 in the position of the associated leaking or non-leaking. A two-layer feed-forward network with 20 sigmoid hidden neurons was created. The tansig(Tan-Sigmoid) is chosen as the transfer function for both hidden and output layers. The input vectors and target vectors are willy-nilly divided into training, governing body and test sets. From input vector 70% are used for training set,15% are used to validate that the network is generalizing and to pinch training before overfitting, and the last 15% are used as a completely independent test of network generalization. The network was retrained until the network performance approach a satisfactory level (beyond 85%) of supervised training by using different training algorithms and increasing number of hidden neurons.3.4 TestingThe trained neural network saved and it was used to test the new dataset. The new dataset consist of 50 leakage phase and 50 non-leakage phase data. Correct classifications and misclassifications were reco rded.CHAPTER 4 DATA AND ANALYSIS AND RESULTS4.1 military operationPerformance is measured in terms of mean squared error, and shown in log scale below figure 5.1. It rapidly decreased as the network was trained. Performance is shown for each of the training, validation and test sets. The version of the network that did best on the validation set is was after training.This figure does not indicate any major problems with the training. The validation and test thin outs are very similar.If the test curve had increased significantly before the validation curve increased, then it is possible that some over fitting might have occurred.4.2 Confusion MatrixConfusion matrix contains information about effective and predicted classifications done by a classification system for supervised learning system.In confusion matrix, diagonal cells (in green cells) show the number of cases that were decently classified, and the off-diagonal cells (in red cells) show the misclassified cases. The blue cell in the bottom right shows the total percent of correctly classified cases (in green) and the total percent of misclassified cases (in red). In this study, as shown in above figure 5.2, accuracy of training, testing and validation process are 90.9%, 80.9% and 79.0% respectively. Overall accuracy for correct classification is 87.6% and misclassification is 12.4%.Therefore the results show fair good recognition.4.3 Receiver Operating Characteristic (ROC) curvesThe coloured lines (green and blue) in each axis represent the ROC curves for training, testing and validation. The ROC curve is another visualization of quality of the network. It is a plot of the true positive rate (sensitivity) versus the fabricated positive rate (1-specificity) as the threshold is varied. A perfect test shows points in the upper-left corner, with 100% sensitivity and 100% specificity. In this study, the network performs fairly good.

Sunday, March 31, 2019

Brief History of Microbiology

Brief History of Microbiology1- How Can Microbes Be Classified?Fungi, Protozoa, Algae, Prokaryotes and otherwise existences of richness to microbiologistsB- The comfortable Age of Microbiology1- Is Spontaneous Generation Of Microbial Life leanable?Redis examine, Needhams sample, Sp every(prenominal)anzanis Experiment, Pasteurs Experiment.CHAPTER (1) A BRIEF HISTORY OF MICROBIOLOGYMicrobiology is the test of organisms and factors too sm entirely to be seen cl archeozoic by the naked eye. It is the say of microorganisms, or beginnings or microbes. However, whatsoever of these microorganisms ar large and visible by our naked eye such(prenominal) as mushrooms, brown algae, and lichens.Viruses, bacterium, algae, fungi, and protozoa be recollective to microorganisms.Life would non come through with stunned microorganisms. Plants depend on microorganisms to help them obtain their nitrogen they need from air. Animals such as cows and sheep need microorganisms in order to d igest the carrellulose in their diets.Our ecosystem rely on microorganisms to enrich colly, degrade wastes and supports life. Without microbial recyclers, the world would be buried under dead organisms.We use beneficial microorganisms to make our nourishment such as cheese, yoghurt, bread, to develop our vaccines, hormones, vitamins and antibiotics. The human body is home to billions of microorganisms, umteen of which help keep us healthy.Microorganisms be non save an indwelling part of our lives they argon quite literally a part of us. Microorganisms arouse be both beneficial and insalubrious (infectious unsoundness agents) to humans, animals and plants. any(prenominal) harmful microorganisms as well do ride diseases, from the common cold to AIDS. The threats of bioterrorism and impudently or re-merging infectious diseases are real problem.We will explore all the roles (both harmful and beneficial) that microorganisms play in our lives in this fascinating course.Imp ortance of bacteriaBacteria lot be categorized into harmful and useful bacteria, piece of music some bacteria are non harmful-non useful.Harmful bacteriaBacteria get to some major diseases to humans, animals and plants. Among these diseases cholera, typhoid, tetanus, pneumonia, tuberculosis and meningitis.Some pathogenic bacteria expose poisonous chemicals called toxins which affect accepted parts of the host body.In provender industry, bacteria social movement spoilage of nutriment and food poising.Useful bacteriaBacteria produce antibiotics which for the treatment of diseases.Bacteria provide enzymes for biological backwash powders.Bacteria are apply as microbial plant louseicides protecting crops from insect pests.Bacteria are used to leach out metals from some impression grade ores such as copper and gold.Bacteria contribute greatly to food industry (butter, cheese, and yogurt).Certain bacteria are used to transfer lactose (milk sugar) into lactic acid.Certain bacte ria are used to win over alcohol into vinegar.Bacteria have an essential role in the rude(a) cycles of matter. In the soil, bacteria affect fertility, structure and productivity of corps.One of the well-nigh important roles of bacteria is the breakdown of dead organisms and organic wastes into its basic inorganic parts. Carbon dioxide, water, nitrogen, and sulfur are some of the most important sensibles returned to the soil and atmosphere. Such cycling of materials could not occur in the absence of certain bacteria.9. As a source of food (single cell protein (SCP). Bacteria are a good source of (SCP) with plenty of food and space. (SCP mint be produced using bacteria growing in waste paper, pollutants or both food waste product).The Early Years Of MicroorganismsThe early years of microbiology brought the premier observations of microbial life, and the initial efforts to organize them into logical motley.Early investigators suspected the world of microorganisms and their rol e in disease development even before microorganisms were detected.The offset printing person discovered and depict microorganisms was Antony van Leeunwenhoek (The draw of Bacteriology and Protozoology) (Dutch) in 1674. He was a tailor and a lens grinder. He used to reconcile lenses to examine the quality of the clothes.He invented fair microscope in 1674 and he observed, drew, and metric large numbers of minute living organisms including bacteria and protozoa in pond water. He also described the motion, morphology and diversity of bacteria and protozoa.How Can Microbes Be Classified?Shortly afterwardswards Leeunwenhoek make his discoveries, the Swedish botanist Linnaeus positive(p) a taxonomic system-that is a system for appellative plants and animals and grouping similar organisms together. Linnaeus and other scientists of that period grouped all organisms into both animal kingdom or the plant kingdom. Today biologists use the v kingdoms classification system and the three kingdoms classification system.The microorganisms that Leeunwenhoek described can be grouped into five basic categories fungi, protozoa, algae, prokaryotes and small animals. The entirely microbes not described by Leeunwenhoek are viruses which are too small to be seen without an negatron microscope.Cells are of twain characters1- Prokaryotic cells (pro = before, karyon = nut or kernel). ideal Bacteria(i) Organisms very simple in shape.(ii) The cells lack on-key tissue layer delimited nucleus.2- Eukaryotic cells (Eu = true, karyon = nut or kernel). Examples Algae, fungi, protozoa, higher plants and animals.(i) morphologically more than(prenominal) complex than prokaryotes and larger in coat.(ii) Organisms with true nucleus. They have a membrane enclose nucleus. .Biologists have divided living organisms into five kingdoms soil Monera or Prokaryote includes prokaryotic organisms (Bacteria and archea) and Cyanobacteria (the blue-green bacteria, formerly called blue-gree n algae). region Protista Include either unicellular or colonial eucaryotic organisms that lack true tissues (Protozoa, small algae, and lower fungi). land Fungi Includes eukaryotic organisms with absorptive nutrition and often multinucleate. Fungi includes moulds (filamentous fungi) and yeasts (unicellular fungi).Kingdom Animalia Multicellular animals with ingestive nutrition (Vertebrates and invertebrates).Kingdom Plantae Multicellular plants with walled eukaryotic cells and photosynthetic ability.Viruses do not fit into the classification of living organisms (five kingdoms classification system) because they are dependent on other cells for their reproduction (obligate parasites). Nevertheless viruses are also studied by microbiologists.The recent classification divided organisms into 3 kingdoms based on the analysis of the 16S RNA.Bacteria ( genuine bacteria or Eubacteria).Archaea (Archaeobacteria).Eukarya (All eukaryotic organisms).Fungi (Mycology)Fungi are organisms whose cel ls are eukaryotic with a true nucleus surrounded by a nuclear membrane. Fungi take issue from animals by having cell walls. Fungi are different from plants because they are heterotrophic (obtain their food from other organisms which is different from plants (obtain their food by themselves through photosynthesis i.e. autotrophic). microscopic fungi include molds (filamentous fungi) and yeasts (unicellular fungi). Molds are multicellular organisms that are grow as long filaments called hyphae that intertwine to make up the body of the mold. Molds regurgitate by sexual and asexual spores which produce new individuals.Yeasts are unicellular and they sick by budding. Many types of fungi are beneficial and some are also very harmful to humans causing many diseases. mushroom cloud is a typical example of macroscopic fungi. Some mushrooms are also poisonous and can cause death.Protozoa (Protozoology or Parasitology)Protozoa are single celled eukaryotic microorganisms with true nucleus t hat are similar to animals in their nutritional needs and cellular structure. The suffix protozoa in classical mean (the foremost animals). Most protozoa are capable of locomotion through pseudopodia, cilia or flagella.Protozoa typically live freely in water, but some live inside animal hosts, where they can cause diseases. Most protozoa reproduce asexually, however some can reproduce sexually.Algae (Phycology)Algae are unicellular or multicellular photosynthetic autotrophic organisms. Algae are categorized on the basis of their pigmentation, retention products and their cell walls.Large algae commonly called seaweeds and kelps are common in the oceans. Unicellular algae are common in freshwater ponds, streams and lakes and in the oceans as well. They are the major food source of small aquatic and marine animals and provide most of the worlds oxygen as a spin-off of photosynthesis.Prokaryotes (Bacteriology)Prokaryotic microorganisms are unicellular microbes that lack nuclei. The re are two kinds of prokaryotes true bacteria (Eu-bacteria) and archaea (Archaeobacteria). Bacterial cell walls are peaceful of a polysaccharide called peptidoglycan, although some bacteria lack cell walls. Bacteria without cell walls are called mycoplasma. The cell walls of archaea lack peptidoglycan and instead are composed of other polymers.Most bacteria and archaea are much smaller than the eukaryotic microorganisms. True bacteria are appoint in all environments, however, archaea are only found in extreme environments (Difficult or harsh environments) (e.g. High or low temperature, high or low pH, high salinity, high pressure). otherwise Organisms Of Importance To MicrobiologistsMicrobiologists also study parasitic worms which range in size from microscopic forms to adult tapeworms over 7 meters in length.The only type of microbes that remained hidden from Leeunwenhoek and other early microbiologists are viruses, viroids and prions which are much smaller than the smallest pro karyotic microorganisms and are not visible by light microscopy. Viruses could not seen until the electron microscope was invented in 1932.All complete viruses are acellular (not composed of cells) obligatory parasites composed of small amounts of divisortic material (genome) (RNA or desoxyribonucleic acid never both) surrounded by a protein covering. The incomplete virus (Prions) consists only of protein coat and there is no nucleic acid and only attacks human and animals. charm the incomplete virus (Virioid) consists only of nucleic acid and there is no protein coat and only attacks plants.Leeunwenhoek fist reported the populateence of microorganisms in 1674, but microbiology did not develop significantly as a field of study for most two centuries. There were a number of reasons for this delay. First, Leeunwenhoek was a suspicious and tight man. Though he built over than 400 microscopes, he never trained an apprentice, and he never sold or gave onward a microscope. When Lee unwenhoek died, the secret of creating superior microscope was lost. It took almost 100 years for scientists to make microscopes of equivalent weight quality.Another reason that microbiology was slow to develop as a scientific discipline is that scientists in the 1700s considered microbes to be curiosities of nature and in-significant to human affairs. But in the posthumous 1800s, scientists began to adopt a new philosophy, one that demand observational induction rather than mere acceptance of traditional knowledge. This fresh philosophical foundation, accompanied by improved microscopes, new laboratory techniques, and a drive to dish up a serial of important questions, propelled microbiology to the forefront as a scientific discipline.The Golden Age of MicrobiologyFor about 50 years during what is now called The Golden Age of Microbiology, scientists were driven by the search for answers o the following 4 questionsIs spontaneous generation of microbial life possible?What cau ses fermenting?What causes diseases?How can we clog infection and disease?Competition among scientists, who were striving to be the premier to answer these questions, drove exploration and discovery in microbiology during the late 1800s and early 1900s. These scientists discoveries and the fields of study they initiated continue to shape the course of microbiological research today.1 Is Spontaneous Generation Of Microbial Life Possible?In the superannuated times, many peoples believed that living organisms could develop from non-living matter, and they named this phenomenon as spontaneous generation (abiogenesis). Aristotle believed that simple invertebrates could arise by spontaneous generation. He also believed that frogs and shrimps could arise from mud, insects from the break of the day dew and maggots from decaying centre of attention. The validity of this theory came under challenge in the 17th century.Redis Experiment (1626-1697).The spontaneous generation conflict wa s finally challenged by the Redi (1688), who carried out a series of experiments using decayed meat and he studies the ability of meat to produce maggots spontaneously. He concluded that maggots do not arise by spontaneous generation.In un plastered flask The maggots covered the meat inwardly few days.In the sealed flasks The flies were kept away and no maggots appeared on the meat.In the gauze-covered flask The flies were kept away and no maggots appeared on the meat, although a few maggots appeared on the top of the gauze.Needhams Experiment (1713-1781).He boil beef neckcloth in a sealed flask. Some days later he demonstrated that many of these flasks became cloudy and contained microorganisms. He judgment that the organic matter in the meat contained a indispensable force that could give the properties of life from non-living matter. Since he heated the flasks he thought that the microorganisms is coming from the non living beef broth.Spallanzanis Experiment (1729-1799).Spal lanzanis in 1799 reported results that contradicted Needhams findings. Spallanzani boiled some infusions for one hour and sealed the vials by melting their fine necks closed. His infusion remained clear, unless he broke the seal and exposed the infusion to air, after which they became cloudy with microorganisms. He concluded three thingsNeedham had either failed to heat his vials sufficiently.Microorganisms exist in the air and can contaminate the experiments.Spontaneous generation of microorganisms does not occur. All living things arise from other living things.Criticisms of Spallanzanis work wereThe sealed vials did not allow enough air for organisms to survive.The prolonged heating for long time (one hour) destroyed the Life force.The debate continued until the French apothecary Louis Pasteur conducted experiments that finally solved the theory of spontaneous generation to rest.Pasteurs Experiment (1822-1895).In 1861, Pasteur (The Father of Microbiology) solved the spontaneous generation conflict.The Swan Neck ExperimentPasteur placed nutritious solutions in flasks heated their necks in a burst out and drew them out in a variety of cut shapes, and he kept the ends of the neck open to the air. He then boiled the nutrient solutions for a few minutes and allowed them to cool. No microbial addition was observed even the flask contents were exposed to the external air currents.Pasteur pointed out that no growth was observed because dust and germs had been collected on the walls of the curved pre-heated necks. If the necks were broken, microbial growth appeared. The results obtained by Pasteur were against the spontaneous generation theory.2- What Causes Fermentation?Pasteur essential the pasteurization a process of heating the grape succus unspoiled enough to kill most contaminating bacteria without changing the juice backs qualities so it could then be inoculated with yeast to ensure that alcohol fermentation occurred.Pasteur thus began the field of in dustrial microbiology or biotechnology in which microbes are used to manufacture beneficial products.Today pasteurization is used routinely on milk to eliminate pathogenic bacteria that cause tuberculosis and is also used to eliminate pathogenic bacteria and fungi in juices and other beverages.Because of Pasteur many significant accomplishments in working with microbes, Pasture is considered the Father of Microbiology.3- What Causes Diseases?Robert Koch (German Doctor) (the golden age of microbiology 1880-1920) was the first person to demonstrate the role of bacteria in causing anthrax disease in 1876. Kochs proof that vitamin B anthracis caused anthrax.Koch discovered that bacteria are responsible for causing a disease. This was called the germ theory of disease. The science of etiology (the study of causation of diseases) was dominated by Robert Koch.Koch established criteria for proving the causal relationship among a microorganism and a particularised disease. These criteria are know as Koch postulates, and it can be summarized as follows(i)- The organism should be constantly present in animals or plants ache from the disease and should not be present in healthy individuals.(ii)- The organism must be cultivated in pure refining away from the animal or plant body.(iii)- Such a culture when inoculated into subject animals or plants should initiate the characteristic disease symptoms.(iv)- The organism should be re-isolated from these experimental animals or plants and cultured again in the laboratory, after which it should whitewash be the same as the original organism.Koch also developed media suitable for the isolation of pure bacterial cultures from human body. He developed nutrient broth and nutrient agar media.In 1882 Koch has used these methods to isolate the bacteria that cause tuberculosis.During Kochs studies on bacterial pathogens, it became necessary to isolate suspected bacterial pathogens. At first, he cultured bacteria on sterile surfac es of cut, boiled potatoes. This was unacceptable because bacteria would not always grow well on potatoes because of the sulkiness of the potato tissues.He then tried to solidify regular liquidness medium by adding gelatin. Separate bacterial colonies developed after the surface had been streaked with a bacterial sample. When the gelatin medium hardened, individual bacteria produced separate colonies. Despite its advantages, gelatin was not an ideal solidification agent because it was digested by many bacteria and melted when the temperature rose above 28C.Fannie Hesse suggested a better alternative. She suggested the use of agar as a solidifying agent. Agar is derived from red algae. Agar was not attacked by most bacteria and did not melt until reaching a temperature of 100C distant gelatin.Richard Petri developed the Petri dish (Plate) in 1887, a container for making solid culture media. This development made possible the isolation of pure cultures that contained only a single microorganism.Koch and his colleagues are also responsible for many other advances in laboratory microbiology, including the followingSimple espial techniques for bacterial cells and flagella.The first photomicrograph of bacteria.The first photograph of bacteria in diseased tissues.Techniques for estimating the number of bacteria in a solution based on the number of colonies that form after inoculation onto a solid surface.The use of steam to sterilize growth media.The use of Petri dishes to hold solid growth media.Aseptic laboratory techniques such as transferring bacteria between media using platinum wire that has been sterilized in a flame.Koch hypothesized that each bacterial colony consisted if the progeny of a single cell.Koch use laboratory animals to inject bacteria and study disease development.For these achievements, Koch is considered as the Father of the Microbiological laboratory.Grams stainAlthough Koch reported a simple staining technique in 1877, the Danish scient ist Gram developed a more important staining method in 1884. His procedure which involves the application of series of dyes made some microbes blue and others red. The blue cells are called the Gram positive and the red cells are called the Gram negative. We now use Gram smudge to separate bacteria into these two large groups.The gram stain is still the most widely used staining technique. It is one of the first travel carried out in any laboratory where bacteria are be identified.4 How Can We Prevent Infection And Disease?1 Semmelweis and slip by washingSemmelweis was a physician began requiring medical students to wash hands with chlorinated caustic lime water.2 Listers Antiseptic TechniqueJoseph Lister (1867), an English surgeon found indirect evidence that microorganism were agents of human disease. He worked on the barroom of wound infection. He developed a system of antiseptic operating theater designed to prevent microorganism from entering wounds. Instruments were heat sterilized and hydroxybenzene was used on surgical dressings and sprayed over the surgical area. He provided a strong evidence for the role of microorganisms in disease development because phenylic acid which killed bacteria also prevented wound infections.3 nightingale and NursingNightingale was an English nurse and she is the founder of modern nurse and she introduced cleanliness and antiseptic techniques into nursing practices.4 Snow and EpidemiologyJohn Snow an English physician plays a key role ion setting standards for good public hygiene to prevent the scatter of infectious diseases.His study was the foundation for two branches of microbiology (infection control) and epidemiology (study of the occurrence, distribution and spread of disease in humans).5 Jenners VaccineOn 1796, Edward Jenner used cowpox-infected material to success unspoilty vaccinate people against human small pox.He name the process vaccination after Vaccinia, the virus that causes cowpox.Jenner invented vaccination or immunization.In honor of Jenners work with cowpox, Pasteur used the term vaccine to refer to all weakened protective strains of pathogens.6 Ehrlichs magic bullets and ChemotherapyEhrlich found that chemicals could be used to kill microorganisms.He discovered chemicals active against trypanosomes the protozoan that causes sleeping unhealthiness and against Treponema that cause syphilis. His discoveries began the branch of chemotherapy.The Modern Age of Microbiology1 How Do Genes work?Over the past 40 yeasts, advances in microbial genetics developed into several new disciplines that are among the faster growing areas of scientific research today includingmolecular(a) biologyA molecular(a) BiologyMolecular biology combines aspects of biochemistry, cell biology and genetics to explain cell economic consumption at the molecular level.Molecular biologists are concerned with genome sequencing.A full understating of the genomes of organisms will result in practi cal ways to limit disease, recur genetic defects and enhance agricultural yield.B Recombinant DNA technologyMolecular Biology is applied in recombinant DNA technology, commonly called genetic plan which was first developed using microbial models. This includes the production of human insulin in genetically engineered bacteria.C Gene therapyAn exciting new area of study is the use of recombinant DNA technology for gene therapy. This is a process that involves inserting a missing gene or repairing a defective gene in human cells. This procedure uses harmless viruses to insert a desired gene into host cells where it is incorporated into a chromosome and begins to function normally.2 What Roles Do Microorganisms impart in the Environment?The study of microorganisms in their natural environment is called environmental Microbiology or microbial ecology.3 How We Defend Against Disease?Advancements in chemotherapy were made in the 1900s with the discovery of numerous substances such as penicillin and sulfa drugs that preclude bacteria.4 The Scope And Relevance of MicrobiologyMicrobiology has both basic aspects and applied aspects. A scientist working in the field of microbiology is called a microbiologist. Many microbiologists are enkindle in the biology of microorganisms. They may focus on a specific group of microorganisms and are called Virologist (Virology is the study of viruses), Bacteriologist (Bacteriology is the study of bacteria), Phycologist (Phycology is the study of algae), Mycologist (Mycology is the study of fungi), and Protozoologist (Protozoology is the study of protozoa).Other microbiologist work in other fields such as microbial physiology, microbial cytology, microbial ecology, and microbial taxonomy. Other microbiologists have more practical applied fields such as medical microbiology, food and dairy microbiology, and public health microbiology.Medical Microbiology Deals with human and animal diseases. bucolic Microbiology Deals with the application of microorganisms in agriculture.Public health Microbiology Deals with the control of the spread of diseases. pabulum and dairy Microbiology Deals with the application of microorganisms by man to make foods such as cheese, bread, and other important products.Industrial Microbiology Deals with the industrial application of microorganisms such as the production of vaccines, antibiotics, vitamins and enzymes.Microbial Ecology or Environmental microbiology Deals with the relationship between microorganisms and their environments.Microbial physiology and Biochemistry Deals with the study with physiology of microorganisms and the effects of physical and chemical agents on the pick of microorganisms.6 What Will The Future Hold?What will microbiologists discover abutting?Among the questions for the next 50 years are the followingWhat is the physiology of life forms that can not be grown in laboratory and only known to us now by their nucleic acid sequences?Does life exist be yond planet Earth, and if so, what are its features?How can we reduce the threat of infectious diseases, oddly those that can be used by bioterrorists?