GOLD NANO PARTICLES Essay Example | Topics and Well Written Essays - 250 words

GOLD NANO PARTICLES - Essay Example variations that are used in comprehension of plasomons which depends on the wavelength, otherwise known as conduction-band electrons during oscillation. This phenomenon translates into absorption and scattering ability of light, which is an important feature to biological applications like sensing and imaging. The ability of bio molecules to interact both inside and at the surface of a cell can result into varied interactions according to the size of nanoparticle. Currently, for medical sector purposes, it is possible to modify and fabricate nanoparticles and AUNPS is best for clarifying the distinct properties of the â€Å"red surface Plasmon resonances band at 520† with catalytic activity which is high and easily fabricated with the use of thiol interconnected to SS-DNA which enables them to be components that are stable for bio-sensing purposes. When nanoparticles and biological elements of lipids, proteins and nucleic acids are combined, they can reveal specific functions in bioprobes and biosensors. It is therefore, important to note that, nanoscale particles possess clear and exceptional potential of detecting and accurately diagnosing cancer (Chan 2007). To increase the level of sensitivity like in surface enhanced Rayleigh scattering, surface enhanced fluorescence, and surface enhanced Raman scattering, the use of surface Plasmon have been significant. Though, SERS is an attractive and has very unique technique that can be vital in measuring rotational, vibration and molecules of low transition frequency based on Raman scattering (Chan

Eisenhower's Farewell Address Essay Example | Topics and Well Written Essays - 250 words

Eisenhower's Farewell Address - Essay Example The Pentagon is the headquarters of the Department of Defence. Much of the focus of the complex is on this institution as this is where the money goes and the decisions are made. This was especially true during the height of the Cold War when the U.S. faced an existential threat from the Soviet Union, and members of the complex could use fear to strengthen their arguments. These groups not only felt that America needed to spend more on the military to survive, they also wanted more money spent so that they themselves could be enriched. Many of these programs would not have been a good use of taxpayers funds. For Eisenhower, this was unacceptable. He valued a strong national defence policy, but he was concerned that defence spending was taking over and that it was eating into other programs. He knew that for America to be strong it needed both a powerful military and also the social and cultural programs that made it a beacon of freedom to the world. He believed that too much power in the hands of the military-industrial complex would have negative consequences. Work consulted Bowie, Robert R. and Richard H. Immerman. (1998). Waging Peace: How Eisenhower Shaped an Enduring Cold War Strategy. Oxford University Press.

Answer the question Assignment Example | Topics and Well Written Essays - 1000 words - 1

Answer the question - Assignment Example The study is that which will involve comparison in contrast to correlation research, which tends to look into a relationship. 4. The questions of the effects that occur due to a factor might lend themselves better to causal-comparative research than a to an experimental research since experimental research would investigate the factors but not compare and contrast them to the results. 6. Random assignment is not possible in causal-comparative study since random assignment may bring about groups that do not relate. Random selection is possible in causal-comparative research since it can lead to groups that can be compared and contrasted. 7. The topic on effects of team teaching on the attitudes of students towards history could be studied through causal-comparative research. This is through selection of a group that are not team-taught and those that are team-taught and comparison is made on the two. 9. There is possibility that a researcher is able to study the same variable in an experimental study and causal-comparative study. This is possible through the topic in experimental study being compared to another topic in causal-comparative research. 10. Categorically variables are those that take on values that are names and labels. A categorical quantitative that can be considered a quantitative variable is grams. It has value and brings about quantity. 1. The topics that a personal interview may be superior to a mail or telephone survey is when the topics require demonstration. An example of a topic is investigation of reaction to stimulus on an individual. 5. Conducting a cross sectional survey on the population is not a good idea. Cross sectional survey will not bring out the actual information and data on the population as compared to a census, which brings out the actual data. Cross-sectional survey is only estimation. 8. There are questions that cannot be surveyed through the mail,

1. Explain what the terms correlations AND confounding variables mean Essay

1. Explain what the terms correlations AND confounding variables mean (in your own words, and cite the source) - Essay Example The article on Obesity in Latino Children seeks to identify factors that can be associated with overweight and obesity observed in Latino children (Kornides, Kitsantas, Yang & Villarruel, 2011). The study exhibited both correlations and confounding factors. Correlation in research study implies the characteristic relationship between the variables treated in the study. Specifically, correlation between variables implies that a change in one variable is accompanied by a change in another variable as a result of the first change (Kornides, Kitsantas, Yang & Villarruel, 2011). In other words, with one or more variables whose change induces change in another variable or variables, all the variables involved are said to be correlated. The study presented in the article seeks to identify factors that are primarily associated with obesity and overweight scenarios observed in Latino children. The study takes into account what other literatures have said about the issue and critiques the information contained therein. The study also identifies research loopholes in the literatures considered in line with the current trends in the issue around the time the study was conducted in the year 2011. Challenges that characterized the study are highlighted and future research propositions made on the subject matter of the study. Research studies also employ confounding variables to aid the treatment of objectives and hypothesis being examined. Confounding variables are research aiding tools that are crucial in the examination of the topic of study, but are relatively hard to measure or account for in the research undertaking (Kornides, Kitsantas, Yang & Villarruel, 2011). In other words, they are crucial aiding variables in a study in that they complement the dependent and independent research variables. Although confounding variables are not directly examined in the study, they enhance the inferences made by backing up the primary

Education is not Ingesting Encapsulated Information Essay

Education is not Ingesting Encapsulated Information - Essay Example In this context, the article, â€Å"Why America’s Universities are Better Than its Schools,† by E D Hirsh Jr. becomes significant to the US education system in the present day. The author contends that the K-12 system suffers due to the reason that â€Å"intellectual orthodoxy† controls it whereas public colleges and universities, which are free from the control of â€Å"educationist point of view† are functioning better, which is a fact that â€Å"international community† acknowledges (Hirsch 144). My own experience as a student makes me see what the author means. I have encountered several situations when my sense of curiosity has often been dampened by a cold stare from my tutor who wants me just to study what is being â€Å"taught† in the class. The author chooses a topic which gains high significance in the present day society. Our country boasts of development in all facets of life but, unfortunately, we ignore some of the crucial facto rs, which can jeopardize the future of upcoming generations. Education is a key element in a person’s life and to groom our children into responsible citizens, we must provide them with appropriate learning facilities and environment. Hirsch, through this article, strikes home this point with clarity, precision and impact. Relevance of the topic aside, more important is the manner in which he accomplishes this mission. He wastes no time or effort in foreshadowing the subject matter and takes a straightforward plunge into the core of it. The simplicity, directness and panache with which he does this draw the reader immediately into the heart of the problem. The author deploys with deftness, the device of rhetoric in the article, for the purpose of persuading his audience and conveys the message strongly to convince them. In the outset, Hirsch states the problem with the K-12 system due to its being controlled by orthodox philosophy and contrasts it with the university educatio n system which eschews the educationalist approach and has received international acclaim. The author, then, explains that it is easier to â€Å"create a good K-12 system than a good university system† as can be evidenced from the fact that even under developed countries have good public schools (Hirsch 144 Para 2). Referring to the American tradition of â€Å"free speech and consequent toleration,† the author emphasizes on the significance of â€Å"open discussion and iconoclasm† in providing an environment where â€Å"intellectual excellence can flourish,† which the school systems seem to miss (Hirsch 144 Para 3). Besides, according to him, the elements of â€Å"openness and competitiveness distinguish colleges and universities,† and they place â€Å"great value on depth, breadth and accuracy of knowledge and independence of thought,† which are the key ingredients of objective learning that schools lack (Hirsch 144 Para 4). Moreover, Hirsc h believes that schools rely on â€Å"banking theory of schooling† based on â€Å"rote learning,† which deprives them of quality. The author draws attention to the steep decline by 75% in the number of students in college entrance tests who score above 650 in verbal and math. This figure acts as the pointer to the deterioration in the quality of school education. He makes another allusion to the high percentage of foreign students coming to US and quotes the

Development Of Performance Management Systems Case Study - 3

Development Of Performance Management Systems - Case Study Example Such definition and discussion are done below. The interest of students is in the fact that there has been a previous system. Students are therefore in an excellent position to make known the impact that the first system had on their education and their expectations for this new system Software developers are going to serve as the contractors for the software development. They will, therefore, feed beneficiaries and contract givers with information on the timeline, planning, implementation and running of the system A quality assurance team is needed to access the quality and reliability of the system to be designed. Without such as team, the schools cannot be assured that the end result will be any better than what existed before. The overall training goal is to get all employees to support the new system to be developed. This goal is broad and can only if a series of specific objectives are achieved. To this end, the following specific objectives are set for the training program 6. As noted by Stockley (2012), â€Å"A good performance management system has an employee development focus.† This means that it is the objective of the training to brainstorm employees on how their output of work can be developed through the system. A questionnaire that focuses on the impact of the training program to all stakeholders shall be developed. Through the questionnaire, the facilitator will be in a position to sample views of stakeholders on the program. Through responses to be sampled, it will be possible to tell whether or not the objectives were achieved. To make data analysis easy for discussion, both qualitative and quantitative data analysis procedures shall be used for the data collection plan. To this end, two major data collection instruments shall be designed. These are questionnaire and interview.

Third World Development Strategies Research Paper

Third World Development Strategies - Research Paper Example The country is the largest global producer with a capacity of 10,500, 000 barrels per day. This accounts for nearly 10% of global fuel requirements. Following the Arab- Israeli war of the 1970s, global oil prices escalated making Saudi Arabia becomes the most prosperous nation in the Middle East. The country is among the few countries, which enjoy favorable international trade. In addition, Saudi Arabian economy has a considerable surplus compared to its trading partners. In the mid-1980s, global economies were struck by an element of uncertainty and planning which considerably reduced oil importations and oil budgets. Following the phenomenon, Saudi Arabia oil production dropped from about 10 million barrels per day to about 2 million barrels per day. This robbed Saudi its position as the key producer in OPEC and settled for the production quota system. Within this system, the country’s oil production was largely governed by a desire to maintain its market share. Saudi in the Lost Decade. The lost decade is the economic period between the 1980s and 1990s, which was characterized by severe economic hardships in Latin American countries. The lost decade was also characterized by a negative economic growth, increased poverty, and high debts. This made global creditors such as the IMF impose regressive actions and structural policy as an effort of controlling global credit crisis. The monetary policies made by the IMF and other global monetary organizations had a significant impact on Saudi Arabian economy.  ... Saudi in the Lost Decade (1980’s) The lost decade is the economic period between 1980s and 1990s, which was characterized by severe economic hardships in Latin American countries. The lost decade was also characterized by a negative economic growth, increased poverty and high debts. This made global creditors such as the IMF impose regressive actions and structural policy as an effort of controlling global credit crisis. The monetary policies made by the IMF and other global monetary organizations had a significant impact on Saudi Arabian economy. This was experienced as either a direct impact or an indirect impact resulting from global oil prices and fluctuating global energy demands. Similarly, other economies in the Middle East such as Qatar, UAE, and Kuwait were experiencing similar economic fluctuations. However, Qatar experienced a steady economic progress that was marked by an increase in the total gross domestic product from US $ 655 million in 1970s to $ 2000 million in 1978. Qatar is the only country in the Middle East that experienced a positive economic growth during the 1978-1979 oil shock. Other countries such as Kuwait and UAE also enjoyed considerable economic growth resulting from opening of new oil fields and increasing global oil prices. Economies in the South East Asia such as Vietnam and South Korea had a slightly different shift during the 1980s. The main difference between the two economies and Saudi Arabia is the exportation of oil and the influence of western economies. Saudi Arabia became a center of interest for global powers during the lost decade. The presence of oil and the escalating fuel demand made Saudi Arabia to become a close ally of America and