ELISA ASSAY Essay Example | Topics and Well Written Essays - 500 words

ELISA ASSAY - Essay Example In this graph various dilution of mouse anti rabbit Ig G antibodies were used to determined concentration of rabbit Ig G. the most effective dilution will be between 1/4000 to 1/8000, as in rest of the cases, at lower concentration of Ig G there is no linearity with increasing concentration of rabbit IgG (like in case of 1/2000). At1/2000 dilution concentration of mouse anti-rabbit Ig G is too high compared to rabbit IgG and hence there is no linier relation. Similarly at more than 1/8000 dilution concentration of anti rabbit IgG becomes to less compared to concentration of rabbit Ig G. hence there will not be any anti rabbit Ig G available to bind with rabbit Ig G at higher concentration. In given scenario the optimum dilution for mouse anti- rabbit IgG will be 1/6000 which gives linear correlation with increase in concentration of rabbit IgG. Here in case of goat anti rabbit Ig G the over all binding and absorption profiles restricts it use for estimation of rabbit IgG. There are two different scenario 1) In case of lower dilution (1/2000) there is lots of non specific binding resulted in to very high absorption at lower concentration of rabbit Ig G and get saturated at slightly higher concentrations of rabbit Ig G. 2) In case of higher dilution (1/4000 and above) there is very less binding due to non specificity of polyclonal anti body.

Theology of Redemption and the Christian Liberty Thesis Proposal

Theology of Redemption and the Christian Liberty - Thesis Proposal Example The paper tells that in the course of the storey of humanity, persons, regardless of time and place, have been plagued by three important concerns. The first concern is ‘where did I come from?’ while the second question is ‘what is happening now?’ and finally the third concern is ‘what will happen to me in the future?. In effect, in this continuum of questions, uncertainty marks each query. As such, humanity’s quest for answers to these issues, often gnat at their being, because most wants to remove the dread and anguish towards the unknown future as they have trekked the masked past and the uncertain present. In this regard, all types of religion try to assuage the trepidation and angst of the future by unveiling the future, â€Å"practically all religions have developed a way of looking into the future†. This knowledge they impart in order to help humanity take the path that will help them avoid grief and uncertainty. In this context, C hristianity bears witness to the truism that â€Å"God has spoken in the past to our ancestors through the prophets, in many different ways, although never completely; but in our times he has spoken definitively to us through his Son†. Through the Son, Christianity affirms the key truth of faith â€Å"Yes, God so love the world that he gave his only Son that whoever believes in him may not be lost but may have eternal life†. In light of this, the research will be dealing with one of the most important aspect of Christian faith – Redemption in connection with Christian liberty. Background of the Study The contemporary period is marked by radical changes that continuously transform not only society, but also the way humanity perceived life, meaning, relationship and human nature (Ortega-Villasenor, 2004). The continued deconstruction of traditional values, norms, interpretations, meanings and beliefs should empower humanity to be freed from the limits of the insti tutions and structures permeating the world of man (Johnson 12). Some of these radical changes include globalization, rapid developments and advancements in science and technology and the increasing challenge of global environmental challenge. Globalization is the breaking of the barriers in trade among nations, paving for a freer movements of goods, services, people, capital and even values, traditions and way of life (Coatsworth 38). This is dynamic in view of the fact that it does not only affect the economic life and structures of the global society, but its influence pervades almost all facets of human encounters in the modern period, thus, making globalization one of the most powerful vector of change in the modern period (Suarez-Orozco and Qin-Hilliard 25). In the same manner, rapid advancements and developments in science and technology re-structure the arena where people encounter, interact and undertake actions. In this regard, the contemporary human condition is character ised by the interconnection and continued interrelation between the human-social dimension and information- computer technological advancements. Thus, existing socio-technological systems are the venue for â€Å"the interaction between society’s complex infrastructures and human behaviour. Within this concept, society itself and most of its substructures are complex socio-technical systems† (Stranks, 100). Meanwhile, biomedical innovations have created the condition wherein extension of human life span has been achieved as medicine has become capable of curing and preventing number of diseases (Ehni and Marckmann 985). This has created the attribute known as super-mediatic world. This means that the world is right on the tip of our fingers. One push of buttons, things are done, connections are made and communications are relayed. Finally, the environmental concerns that plague the period refer not only to the depletion of earth’s natural resources and the piling up of by-products or

Learning and perception Essay Example for Free

Learning and perception Essay Learning and perception can be related regarding the sensory abilities of the human mind to understand, calculate, and assign learning experiences to our sensory motors. For instance, a child will stay away from a stove if he/she is burned by an eye. At this typical age, a child is unaware of the concept of heat or hot but they can register thousands of experiences through their use of touch. In perceptional learning, human instincts are the accomplices in discovering new and exciting experiences through sensory (Freeman, 1991). According to Freeman (1991), learning has an impact on our ability to perceive experiences accurately. As an example, a child that views domestic violence on a daily basis may assume it is natural. This child could develop an ineffective sensory to pain by observing and experiencing it from a violent adult. In turn, the child may develop an innocent perception that pain is equal to normal. His or her learning of domestic violence is different from others so his or her perception of violence may not affect their judgment during a violent occurrence with others (Perception, 2006). Another obvious connection of learning and perception is the human’s ability to adjust oneself to the visual make up of others in a social surrounding. Debutants contribute to the development of young women and men. Their intentions are to teach social etiquette for proper associations mainly available in higher social classes. For instance, a debutant from a wealthy family may see a debutant from an underprivileged home as an equal if financial status was not a factor. The visual perception of the reality is seen only superficially. As the learning of the financial status of both debutants are known, the image might change one’s perception of the underprivileged Debutant. The relationship between perception and learning is evident in every day life in which people learn of their surroundings and act accordingly (Freeman, 1991). Works Cited Freeman, Walter J. â€Å"The Physiology of Perception† Scientific American, Vol. 264 (2) 78-85. Perception. Accessed on December 15, 2008 at http://www. a2zpsychology. com/PSYCHOLOGY_GUIDE/Perception. htm.

Edible History Of Humanity By Tom Standage History Essay

Edible History Of Humanity By Tom Standage History Essay Book report on an edible history of humanity by Tom Standage. Tom Standages book regarding edible history of humanity gives us numerous pictures of looking at the past. The book approaches history in a different way altogether: as a sequence of changes caused, influenced or enabled by food. Throughout history, food has not only provided sustenance but has also acted as the catalyst of societal organization, social change, economic expansion, military conflict, geopolitical competition and industrial development. Since the time of prehistory to present, the stories of these changes form a story that encompasses the entire human history. The foods first transformative role was the basis for entire civilizations. The taking in of agriculture enabled new settled lifestyle and put mankind on the path to the modern world. However, the staple crops that aided the first civilizations hardly and the wheat in the near east, rice and millet in Russia, potatoes and maize in America were not simply revealed by chance. Instead, they came out through a multifaceted process of co-evolution because preferred traits were chosen and propagated by the early farmers. These crops are in effect, development; intentionally cultivated technologies that existed only as a result of human intervention. Adoption of agriculture as a story is the narration of how early genetic engineers came up with powerful and new tools that made progress itself possible. In the process man changed plants and eventually the same plants in turn transformed people. By offering the platform through which civilizations could be founded, food then acted as a social organization tool, helping to structure and shape complex societies that came up later. The religious, political and economic structures of the early society, right from hunter-gatherers to the very first civilizations were based on systems of food production and allocation. The production of agricultural food surpluses as well as the coming up of irrigation systems and communal food storage fostered political centralization with agricultural fertility rituals developing into state religions and food becoming a medium of taxation and payment; feasts were used in garnering influence and show status; food handouts were used in defining and refining power structures. Allover the ancient world before money was invented, food was a sign of wealth and ability to control food was power. With the emergence of civilizations in various parts of the world, food aided to connect them together. Food-trade routes acted as inter-boundary communication networks that improved not just commercial exchange but religious and cultural exchange as well. Spice routes that spanned the ancient world resulted in cross cultural fertilization in fields which were diverse just like the field of architecture, religion and science. The first geographers began to take interest in people and customs from far places and compiled the first efforts at world maps. By far the biggest change caused by food trade was as a result of European need to avoid the Arab spice domination. The result of this was the revelation of a new world, establishment of first colonial outposts by the European nations and opening of maritime trade routes between Asia, Europe and America. As European nations tried to build global empires, the next big shift in human history was aided by food, a flow in economic development during industrialization. Potatoes and sugar just like the steam engine underpinned the process of industrial revolution. Sugar production on plantation on the West Indies was considered the first prototype of the industrial process that mainly relied on slave labor. Meanwhile potatoes overcame the first suspicion among the European as a staple food that yielded more calories than cereals from a given area of land. Together, potatoes and sugar offered cheap sustenainace for the workers who worked in new factories in the industrial era. In Britain for instance where the process first started, the upsetting question whether the future of the country lies in industry or agriculture was decisively and unexpectedly resolved by the Irish potato famine of the mid 19th century. Using food as war weapon is timeless; however large scale military wars of the 18th and 19th centuries elevated it to a new level. Food played a vital role in determining the consequences of the two conflicts that defined the USA, revolutionary war of 18th and 19th centuries as well as the civil war of 1860s. Meanwhile, the rise and fall of Napoleon closely connected his capacity to feed his large population of armies. The 20th century mechanization of warfare gave the impression that for the first time in history, feeding machines with ammunition and fuel became an important factor than feeding soldiers. However, food took a new twist, as an ideological weapon during the era of cold war between communism and capitalism, and finally helped to determine the result of the conflict. In the modern society food has become a battle filed for other issues, including globalization, development and trade. During the twentieth century the application of industrial and scientific to agriculture brought about dramatic increase in food supply and the corresponding increase in the world population. The green revolution led to social as well as environmental problems. However, without it there would have been a lot of famine in much of the developing world in 1970s. By making sure that food supply grows rapidly than the population, the green revolution opened the way for the amazingly rapid industrialization in Asia as the century came to an end. Because people in industrial societies consider having a smaller number of children compared to those in the agricultural societies, this in turn the peak of the human population near the end of the 21st century is now on sight. The tales of many personal foodstuffs, traditions and food related customs and the coming up of a particular nation cuisines, have already been narrated. Less focus has been given to the question of foods world-historical significance. This responsibility does not assert that any single has the key to understanding history; nor does it try to give a brief account of the whole history of food or the whole worlds history. It rather draws on a range of disciplines that include genetics, anthropology, genetics, economics, ethno botany and archaeology. It focuses especially on intersections between world history food histories. Asking a simple question; which foods have offered the most in terms of shaping the modern world and in which way? By taking a long term historical dimension also gives a new way to shed light on modern debates about food, like the argument surrounding the genetically modified organisms. The link between poverty and food, coming up of local food movements, use of p lants to make biofuels, effectiveness of food as a tool of mobilizing political support for a number of causes, and the widely accepted way of reducing the environmental impact of modern agricultural methods.

Glacial Till :: miscellaneous

Glacial Till The characteristics of glacial till reflect the erosional, transportational and depositional history of the constituent sediment.’ Glacial till is a heterogeneous mixture of rock fragments ranging in size from clay to boulders and is deposited directly from glacial ice without water transport. (Strahler A. H. & Strahler A. N. 1976). Ice sheets deposited in the Pleistocene period may be more than 30 m deep and inevitably the constituents of glacial till will reflect the retreats, advances and stationary phases of the ice which have taken place during the history of a glacier since its formation. I shall outline the various forms of glacial till, giving consideration to the type of prevailing climatic conditions which give rise to their formation and deposition to illustrate how the constituent sediment does provide evidence for glacial activity over time. As glaciers are so effective at erosion and transport, large quantities of debris is also associated with them. According to it’s location with respect to the glacier, such debris transported as ice mass may be divided into three main categories. There are three main positions that a glacier can transport debris, englacial debris which occurs within the glacier, supraglacial debris which occurs on the glacier surface and subglacial debris which occurs on the base of the glacier, (please look at figure 15.12 below). While debris is being transported it may remain in any one of these positions until it is deposited by the ice directly or it may end up being reworked by melt water. Deposition of the transported material is a complex process, but the fraction deposited directly from the ice is called till. It consists of a wide range of grain sizes, so it is often referred to as boulder clay. It also posses very little stratification and frequently contains far travelled erratic material, which tends to have clast with edges and corners blunted by abrasion. (Briggs D. Et. Al. 1997) There are two main different types of till which have been recognised, lodgement till and ablation till. Lodgement till is laid down subglacially when debris is released directly from the sole of the ice. Ablation till accumulates initially in a supraglacial position and is later lowered to the ground surface by undermelting. Ablation till can be further subdivided into meltout till and flow till. Meltout till is a direct product of ablation continuing beneath a cover of detritus and flow till consists of debris that has built up on ice and after saturation with melt water becomes so unstable that it flows or slumps into near by hollows.

Tim OBriens Zeugmatic Novel, The Things They Carried :: Things They Carried Essays

Tim O'Brien's Zeugmatic Novel, The Things They Carried An early example of zeugma comes from Quintilian, the ancient Roman rhetorician, who cites the following from Cicero: "Lust conquered shame, boldness fear, madness reason," where the verb "conquered" is understood to also govern the final two phrases in the sentence (Crowley 203). The 18th century, an age of great rhetorical knowledge on the part of writers and preachers (and at least one writer-preacher, Laurence Sterne), is the heyday of zeugma. In "The Rape of the Lock" Alexander Pope speculates what may happen to Bellinda on a particularly ominous day: Whether the Nymph shall break Diana's Law, Or some frail China Jar receive a Flaw, Or stain her Honour, or her new Brocade, Forget her Pray'rs, or miss a Masquerade, Or lose her Heart, or Necklace, at a Ball.... (Butt 225) Pope does a beautiful job of contrasting the serious and the superficial in these five lines-will her chastity or her jar become flawed, will she forget her prayers or the masquerade? My paraphrases here fill out an implied zeugma in these lines, but it is in the third and fifth lines where he actually employs zeugma: will she "stain her Honour, or her new Brocade"? Will she "lose her Heart, or Necklace, at a ball"? In these "stain" and "lose" branch out to include (or to be more etymologically correct) YOKE quite different things: lace and a necklace being a bit more easily replaced than a stained honor and a lost heart, as those of you who have been in love may perhaps attest to. Richard Lanham, in a Handlist of Rhetorical Terms, defines zeugma as follows and again cites an example in Pope: "One verb governs several congruent words or clauses, each in a different way, as in 'The Rape of the Lock': Here thou, great Anna! whom three realms obey Dost sometimes counsel take-and sometimes tea." (Lanham 104-5)

A First Year Teacher’s Biggest Challenge

A teacher spends a tremendous amount of time learning how to teach various ages of people. Their main objective it to teach the lesson in such a way that it will be easily understood by the students.For students of a specific age bracket, say three to eighteen year olds, the only way that they can actually learn the lesson is if they have fun doing it. Unfortunately for new teachers, this is where all the problems begin.How does a first year teacher manage her classroom and discipline her students?   Be it in the pre-school or high school teaching environments, getting the students to respect the teacher and follow learning rules during class hours has been the bane of teachers since time immemorial.But, this is not to say that first year teachers have to suffer that kind of situation. No, there are many things that a first year teacher can do in order to gain control of her students and her classroom.To begin with, it is imperative that new teachers enter the classroom with at lea st a basic training and know how regarding classroom management. Admit it, the youth can smell a novice teacher a mile away and will take advantage of the greenhorn teacher in any way they can.New teachers need not despair though. All is not lost. The teacher can still manage to win the war provided he or she is willing to work at it.To begin with, a new teacher can take advantage of the hired consultants that many school district offer. These are people who can train the new teacher to use the art of nonverbal techniques in classroom management. If a new teacher learns how to use these skills to his or her advantage during her first year of teaching, it will be a lot easier for them to get through their freshman teaching experience.Not all the new teachers have to go by hit or miss results and rely on learning from their mistakes. Unlike their predecessors, new teachers can be taught and trained in how to use a personal bond with the students in order to get the results they want.T he keyword in this type of situation is respect. Children respond better to people whom they know will not mete out a punishment for bad behavior and instead treats them as an equal whose rights and feelings must be respected. This is a delicate line to tread upon though.The new teacher must be sure to convey the aura of respect for the student without overstepping the boundaries and becoming a personal friend instead of a teacher to the student.Although most school systems have their own ideas of how a new teacher should be able to gain control of her classroom, the truth of the matter is that it would be best if a teacher has the freedom to try various classroom management and disciplining techniques on his or her own until he or she finds a style that she is comfortable with and gets positive results from.New teachers may or may not be given the chance to learn about classroom management styles during their senior year of college because that is not the focus nor priority of thei r training.Therefore, it would benefit the fresh teacher if he or she would take advantage of every class session break to enroll in various training courses and seminars that will help him or her learn and enhance the classroom techniques that they already know.Finally, a fresh teacher can reap the benefits of consulting with the senior teachers of the school regarding how to implement classroom discipline and management. Just as we learn from others emulation, so can the new teachers when it comes to classroom management.Fresh teachers must never feel too inferior to their senior counterparts that they would be afraid to come up with their own classroom management style by taking a peer’s original style and updating it to suit his or her needs.Classroom management is a problem that faces all teachers, not just the newly graduated ones. Therefore, they should never be afraid to ask for the help, guidance, and assistance of the senior teachers. After all, it is through a free exchange of ideas that most problems are usually solved.Work CitedBosch, Karen A. & Kersey, Catherine C.(2007). Managing with class. National Education Association Professional Library. Retrieved January 20, 2008 from http://www.nea.org/tomorrowsteachers/2007/classroomcon.htmlMatthews, Jay. (2000). New teachers rarely learn classroom management. Washingtonpost.com. Retrieved January 21, 2007 from http://www.washingtonpost.com/wp-dyn/articles/A23017-2000Dec18.html