Saturday, February 29, 2020
Background information on how the development LASIK
However, the majority of humans who wear glasses or contact lenses are bothering from it. Therefore, Jose Barraquer discovered LASIK in 1950, which is considered one of the recent technologies in vision correction. LASIK is a Latin word that indicates to create a thin layer of the cornea (black eye) and then using the laser vision correction (LASIK Portal, 2010). Background information on how the development LASIK Lasik is one of the most important types of eye surgery in advance medical that intended for improving in particular Myopia, Hyperopia and Astigmatism. It was invention by Jose Barraquer at the first time, where he effectuated the first operationto reduce the thin flaps in the cornea to change its shape by keratomileusis. By 1981, the Alaximr Laser was been founded which worked on ultraviolet radiation, and it was used at the first time by Rangaswamy Srinivasan to decrease tissue in specific way through extract layers of thin films without any effects thermal in surrounding area. As a result, he could use this kind of Laser without any side effect compared to different type of Laser which worked in the field of visible radiation. After a number of experiments, the Lasik technique has been improved in 1990 by Ioannis Pallikaris and Lucio Buratto to become more accuracy than keratomileusis. All of these results led Stephen Brint and Stephen Slade to performed surgery operation in the United States for the first time (Ezine Articles, 2011). With the development of technology, Lasik has become more fast than before and it has been improved to be better (Wikipedia, 2011). The way the LASIK has affected peoplesââ¬â¢ lives; . The majority of humans bother from wearing spectacles or contact lenses therefore they want to eliminate them by Lasik. Lasik has many positive effects on humans including that Lasik has ability to accurately correct most layers of Myopia, Hyperopia and Astigmatism. Moreover, its surgery occupies five to ten minutes with painless or very little pain. It is one of the easiest operations because it is operated by computer and does not require any stitches after it.One of the most important factors of Lasik that most patients are not longer needed corrective glasses. Conclusion Background information on how the development LASIK However, the majority of humans who wear glasses or contact lenses are bothering from it. Therefore, Jose Barraquer discovered LASIK in 1950, which is considered one of the recent technologies in vision correction. LASIK is a Latin word that indicates to create a thin layer of the cornea (black eye) and then using the laser vision correction (LASIK Portal, 2010). Background information on how the development LASIK Lasik is one of the most important types of eye surgery in advance medical that intended for improving in particular Myopia, Hyperopia and Astigmatism. It was invention by Jose Barraquer at the first time, where he effectuated the first operationto reduce the thin flaps in the cornea to change its shape by keratomileusis. By 1981, the Alaximr Laser was been founded which worked on ultraviolet radiation, and it was used at the first time by Rangaswamy Srinivasan to decrease tissue in specific way through extract layers of thin films without any effects thermal in surrounding area. As a result, he could use this kind of Laser without any side effect compared to different type of Laser which worked in the field of visible radiation. After a number of experiments, the Lasik technique has been improved in 1990 by Ioannis Pallikaris and Lucio Buratto to become more accuracy than keratomileusis. All of these results led Stephen Brint and Stephen Slade to performed surgery operation in the United States for the first time (Ezine Articles, 2011). With the development of technology, Lasik has become more fast than before and it has been improved to be better (Wikipedia, 2011). The way the LASIK has affected peoplesââ¬â¢ lives; . The majority of humans bother from wearing spectacles or contact lenses therefore they want to eliminate them by Lasik. Lasik has many positive effects on humans including that Lasik has ability to accurately correct most layers of Myopia, Hyperopia and Astigmatism. Moreover, its surgery occupies five to ten minutes with painless or very little pain. It is one of the easiest operations because it is operated by computer and does not require any stitches after it.One of the most important factors of Lasik that most patients are not longer needed corrective glasses. Conclusion
Thursday, February 13, 2020
Amazon Prime Essay Example | Topics and Well Written Essays - 250 words
Amazon Prime - Essay Example So, in order to generate value for the customers, frequent purchases on the online store is necessary. For repositioning the service, a multi step strategy can be implemented. The first one is to create awareness about the service among the loyal customers, who have high shopping frequency. The second step will be to highlight the benefits of faster product delivery during the holiday seasons, which are the prime shopping seasons (Rao, 2013). The third step can be to pitch the service to consumers, who has a high movie watching tendency. The final tactic will be to offer attractive price rate for consumer electronics and books, since they have the highest purchases in the online stores (Nanji, 2013). By offering attractive prices, the purchase frequency of the consumers can be increased and this will create a pull demand for the Amazon Prime Service. Kline, D. (2014). Is Amazon Prime Still Cost Effective With a $20 Price Increase? Retrieved from: http://www.fool.com/investing/general/2014/04/17/is-amazon-prime-still-cost-effective-with-a-20-pri.aspx Rao, L. (2013). eBay And Amazon On This Yearââ¬â¢s Marketplace Holiday Shopping Trends. Retrieved from: http://techcrunch.com/2013/11/24/ebay-and-amazon-on-this-years-marketplace-holiday-shopping-trends/ Nanji, A. (2013) Online Shopping Trends 2013: Most Popular Categories, Top Purchase Drivers. Retrieved from:
Saturday, February 1, 2020
Asian Philosophy Essay Example | Topics and Well Written Essays - 750 words
Asian Philosophy - Essay Example The main issue in dispute here is the fact that, while Brahman is conceived as encompassing all reality, Brahman is also understood to be the cause of the world. This claim seems contradictory to the metaphysical principle of causality. This is because, according to the metaphysical principle of causality, the cause and the effect can never be the same. The metaphysical principle of causality demands that the cause and the effect must, of necessity, be different, otherwise there will be no causality at all. On the contrary, however, Vedanta Sutra holds that Brahman is the absolute reality that encompasses the totality of reality and at the same time is the cause of the world; this claim clearly seems to be contrary to the metaphysical principle of causality that we have explained. In an effort to reconcile the metaphysical principle of causality and the teachings of Vedanta Sutra on the nature of reality, Samkara held that the non-difference of cause and effect in regard to Brahman a nd the world result from the use of such terms as origin and other such terms. The main point that Samkara makes in this claim is that in reality there is no causal relation, as we conceive it, between Brahman and the world. For Brahman, the concept of causality in regard to the relation between Brahman and the world is fictitious, and it is brought about by use of wrong terms likeâ⬠originâ⬠in the description of the relation between Brahman and the world. For Samkara, Braham is all there is, and it is not differentiated or it does not have any modifications, it is one absolute entity that encompasses all reality. Samkara defended this claim in the following three ways. Firstly, using the example of clay and the things that are made from the clay, Samkara argued that there is no really any difference between the clay and the things that are
Thursday, January 23, 2020
Social Psychology Essay -- Psychology, Natural Science
There are many explanations for the origins of modern social psychology. It is therefore important to consider that social psychology cannot be traced back to one single source of origin (Burr, 2003). Hence, this is the reason why there are debates of what social psychology is. Allport (1985) described social psychology as the study an individualââ¬â¢s thoughts, feelings, and behaviours which are influenced by the actual, imagines, or implied presence of others. As seen from this definition there is a direct link between social science and the individual psychology (Sewell, 1989). Social psychology cannot be seen as a linear phenomenon. This is because social psychology has been derived from a combination of influences. The development of social psychology can be discussed in two different ways. Firstly, social psychology is argued to be found upon political movements and social philosophies in the United Stated of America (US). Secondly, it can be argued that social psychology ha s developed in response to social and political needs. There have been debates regarding whether social psychology should be dealt as a natural science or not. The ideology of natural science is very important as it affects the way the social psychologist deals with the situations. For example, if there are specific scientific objectives then the study can be laboratory based and use experimental procedures in order to gain knowledge. Psychologists who use this positivistic method are classified as experimental social psychologists. On the other hand, critical-social psychologists have competed with the experimental-social psychologists. The strength of the critical-social psychologists is that theyââ¬â¢ve used a range of different methods in research, and have... ...ocial psychology now has a great impact on social cognitive approach. Social cognition includes attribution, stereotypes, autism, (Striano & Reid, 2008). The European roots of social psychology have led to social constructionism and social representation. The modern social psychology is now constructed with the American and European doctrines. However, due to the political events and developing researches in social psychology, the disciple has only been able to contain within America (Cartwright, 1979). On the other hand, Gergen (1973) argued that social psychology cannot be interpreted as a science because social psychology is historically and culturally specific, which is the reason why the discipline is continuously changing. Critically speaking, there is an advantage of different approaches to social psychology, as it views dilemmas in different perspectives.
Wednesday, January 15, 2020
International Logistics Industry
In a global economy, the movement of goods and materials is very crucial for the success of a company. More often, the materials are process in another place that is it is needed that these materials be ship. When one wants to be known globally, it will market its products around the world, thus the right timing of shipment is necessary for profit. Logistics is a business that started in 1950. Logistics industry takes care of supplying different materials and shipping out products. . It is the science of process and incorporates all industry sectors.à Logistics can be defined as having the right quantity at the right time for the right price. It is the science of process and incorporates all industry sectors. The goal of logistic work is to manage the fruition of project life cycles, supply chains and resultant efficiencies (.Wikipedia). Creating a balance between financial, environmental and societal growth is a difficult task but is very critical if one company would like to make sure that they are to stay for a long time in the market.à Competition becomes beneficial for one company when because without it there will be no need for innovations and changes in the industry. Consumers have a choice thus companies are always evolving to make their products and company more appealing. In the logistics industry, these consumers are companies of other industry that is aiming for a global market. In any given industry, there are some industry norms that set how a company in a specific industry sets their capital structure (Brackers, 2004). This is also synonymous to the level of business risk to be undertaken that would be acceptable in the industry. These industry norms should serve as guides for the companies included in the industry and not to be followed blindly as there are always exceptions in any rules. The stability of the alliance between the two companies must be ensured because it would play a key role in determining the flow of development of the products being developed. It must be ensured that the manpower working from both companies are both have the proper knowledge needed for the development of the product, who are willing to give their best effort to make sure that deadlines are met. There should also be consistency in the manpower handling the project because the next person place could not know all the information like the former. The key to a successful partnership is inter-dependency. Business done through the aid of an internet is called electronic commerce. This kind of business has boomed in the 21st century with the massive availability of personal computers and laptops. Everything happens in the internet, anything that one could think of. There is internet shopping, online education and internet banking and so many more (Yingli, Lalwani and Aryee, 2005). Now even logistics services have their own website for easy verification of would be customers. Every company has their own strategy but the burden lies in properly executing this strategies. Chapman (2004) has concluded that almost ninety percent of companies fail in properly executing their strategies. Studies show that when CEOââ¬â¢s who have failed have been interviewed said that the thing that led them to downfall was the bad execution of strategies that they have formulated. Only fourteen percent of those included in Times 1000 companies have commented that they are implementing good strategies. One strategy that successful logistics companies are using now is Rate Explorer.à Rate explorer is a system us to prepare customer quotations. Rate explorer has a total of thirty-five contracts inbound and outbound operations within the region of the United States of America.à One company that relies on them is Mallory Alexander. This company has been voted as one of the 2006 Top 100 3PL ((Third Party Logistics company). This award is a big boost on their image because this award is based o the opinions of major shippers in the industry. This award was given by Inbound Logistics magazine (http://www.pr.com/press-release/17317). Anyone entering a business would want it to last as long as it could be but if one would not be open to modernization they would not be able to carry on. An innovation does not mean that the past would be completely forgotten. In business, creativity and patience is needed to sustain it and make sure that one would stay for a long time. Logistics industry knows how powerful technological developments are. Some companies within this industry are also looking at the avenue of electronic commerce to help them in gaining a greater profit and more customers. New corporate strategies and processes are required to cope up with this change. Managing business risk is important, new avenues should prove to be effective for the logistic company and not a liability. Business risk refers to the inherent risk in the firm before debt is introduced to the picture. Business risk is caused by such factors as inflation, interest rates, economic periods, fixed versus variable costs, volatility of input costs, ability to change prices, and sensitivity of sales to economic factors. High levels of Business risk determine the degree of the volatile of sales and the changes in EBIT as dictated by the change in sales. The degree of business risk a company or industry takes is directly proportional to the volatility of the EBIT that they could get (Brackers, 2004). Success is nothing if you can not measure it. A company lay down factors or guidelines for their services and manpower in order for them to gauge if they met their goals or if there is a problem within and how to address it. There are factors that need to be considered when one company tries to check if its service and manpower are able to meet the goals and objective set.à Implementation and evaluation would play a crucial part in determining the outcome of the logistics industries venture in e-commerce. Reference: Logistics. (n.d.). Wikipedia. Retrieved November 05, 2006, from Answers.com Web site: à http://www.answers.com/topic/logistics-2 Brackers, Kevin. (2004 November 17). Chapter 13: Capital Restructure. Pittsburg State University. Retrieved November 04, 2006 from http://www.pittstate.edu/econ/ch12326.html Chapman, Alan. (2004). Strategy Implementation and Realization. Farsight Leadership Ltd. Businessball.com. Retrieved November 04, 2006 from http://www.businessballs.com/businessstrategyimplementation.htm Mallory Alexander press release. 08 Sept 2006. Retrieved November 04, 2006 from http://www.pr.com/press-release/17317 De Busscher, Lucien. 2002. Opportunities and Challenges for Logistics Service Providers in Europe. PWC Consulting. PricewaterhouseCoopers. Retrieved November 04, 2006 from http://www.eyefortransport.com/ResArticles/logistics_eng.pdf Vate, John Vande and Amy Ward. The Ins and Outs of Outsourcing.à Executive masters International Logistics. Retrieved November 04, 2006 from http://www.emil.gatech.edu/news-events/article.php?aid=177 Yingli Wang, Chandra Lalwani andà Gilbert Aryee. E-business Enabled Customised Logistics Sustainability. 2005 IEEE International Conference on Service Operations and Logistics, and Informatics. August 10-12, 2005, Beijing, China. Retrieved November 04, 2006 from http://www.ssglobal.org/2005/ProgramAbstract.pdf
Tuesday, January 7, 2020
A Legend or Not - Free Essay Example
Sample details Pages: 3 Words: 830 Downloads: 1 Date added: 2019/04/22 Category Literature Essay Level High school Tags: Beowulf Essay Did you like this example? Beowulf; A legend or not? The making of Beowulf was framed on the base of the Germanic Heroic Code. Under this code, a legend exhibits characteristics of quality, valor, a great notoriety, and reliability. While some may contend that Beowulfs egotism cleanses him of his chivalrous title; his self-importance is one characteristic which makes him sufficiently certain to participate in the demonstrations of courage which he does. Beowulf is an Anglo-Saxon legend, and his persona demonstrates this. In the Anglo-Saxon period the qualities which made up a saint are altogether different from the properties which make up a legend in the present society. Despite the fact that Beowulf was solid, gutsy, had a decent notoriety, and was faithful; in the present society he would come up short on the correct abilities to make him a saint today; yet his attributes were immaculate to be viewed as a legend amid the such period. Donââ¬â¢t waste time! Our writers will create an original "A Legend or Not" essay for you Create order Beowulf would show endless quality for the duration of his life, or, in other words highlight of a legend. My hands alone will battle for me, battle for life against the beast. (173-174) speaks to Beowulfs unending dauntlessness. No person in the town would set out go up against such monster significantly less with any weapons however Beowulf, he would not set out battle the mammoth with anything other than rather his exposed hands. Quality being a Germanic courageous characteristic, is an attribute which Beowulf never neglected to display. Beowulfs quality and fearlessness go as an inseparable unit; ( ) without precedent for his life that celebrated sovereign battled with destiny against him. (668-669) shows the flexible strength which Beowulf had. Regardless of, the substantial possibility of casualty which he looked by battling the winged serpent, he never called it quits. In the Anglo-Saxon period these are characteristics which very few held. A notoriety makes the man, and as per Beowulfs notoriety individuals discussed his enormity, his magnificence, lauded him for his gallant deeds ( ) (887-888) Beowulf was commended for an existence as respectable as his name (888-889) which embodies his fabulous notoriety for his fair activities. As per the attributes of a Germanic Hero, Beowulf acquired the normal for a decent notoriety through his valiant demonstrations and honorability. Regardless of, Beowulfs fascination in distinction as a young fellow when he became more established Beowulf had an enthusiasm for his kingdom. My days have gone my as destiny willed, sitting tight for its assertion to be talked, governing and additionally I knew how, swearing no unholy pledges, looking for no lying wars. (748-751) Each deed he occupied with, gave to the benefit of his notoriety, and the benefit of humankind. Beowulf had the title of a respondent or defender all things considered. He had a notoriety for achieving profundities which no other would set out reach. Unwaveringness is the managing power to every one of Beowulfs accomplishments. At the point when Beowulf chooses to help the Danes with battling the considerable monster, Grendel, in addition to the fact that he does it for the development of his notoriety and notoriety, however as a steadfast demonstration to Hrothgar for protecting his dad before. Beowulfs vast faithfulness is likewise shown after his 50 years of being a pleased ruler; when he battles to his passing to get fine fortunes for his realm. Bring me old silver ( ) Death will be gentler, leaving life and this individuals Ive administered so long, on the off chance that I take a gander at the remainder everything being equal. (759-762) Beowulfs versatile dependability to his kingdom is appeared at the times of his diminishing; all he thinks about is being guaranteed that he is leaving his kin with the remainder all things considered. (762) Beowulfs unwaveringness was a chivalrous attribute that was too solid, to possibly be lost. In the Anglo-Saxon period the Germanic Heroic Code, were the arrangement of qualities which made up a legend. Beowulf indicated steady exhibit and responsibility for, for example, interminable faithfulness, endless quality, and a respectable notoriety. Beowulf is the system of a genuine legend in his occasions. He speaks to a man, a ruler, and a saint; whose enthusiasm for acclaim and acknowledgment turned into a connection of devotion to his area. No other individual in his time, was equipped for what Beowulf was. Accordingly, demonstrating on numerous occasions; how Beowulf was in actuality a legend of his period. In actuality, in spite of Beowulfs bravery, in the present society Beowulf would not meet the title of a legend. Present day societys saints comprise of accomplished people, for example, specialists, police men, firefighters, and good examples. Traits which make the cutting edge saint comprise of: knowledge and magnanimity. In spite of the fact that Beowulf was an awesome saint of his chance, hed make inconvenience now. Our general public rotates around the idea of peace and assentions, and Beowulf was a man of making goals through brutality. Endeavors to comprehend the present battles through Beowulfs idea would make endless fighting and pandemonium.
Monday, December 30, 2019
A Review of Stem Cell Therapy in Ischemic Stroke - Free Essay Example
Sample details Pages: 3 Words: 953 Downloads: 8 Date added: 2019/06/26 Category Biology Essay Level High school Tags: Stem Cell Essay Did you like this example? ABSTRACT Stroke is a leading cause of death and disability. Effecting over 15 million people worldwide. Of those 15 million cases 5 million will die and a further 5 million will be left disabled. Donââ¬â¢t waste time! Our writers will create an original "A Review of Stem Cell Therapy in Ischemic Stroke" essay for you Create order Currently there is little to no treatment for stroke, this leaves patients with a large deficit of treatment. Thus, there is a pressing need for new and effective treatment option. Stem cell therapy (SCT) is a well-established treatment method that has proved its self in other hematological diseases. This fact coupled with some promising results shown from animal models that show significant functional benefits have led research to the bedside. This review provides a brief history and scientific background to the stem cell therapy of ischemic stroke (IS). This will then be followed up with evidence of current clinical trials including a discussion of the various route of delivery, cell type, timing of treatment and number of cells used. Finally, the review will end with a discussion of what will become of stem cell therapy in the distant future. INTRODUCTION Stroke is a major cause of serious disability and the second largest cause of death in the world. Stroke is also very expensive taking up to 2-4% of all healthcare costs. Even if the age specific strokes stay constant or decrees slightly the number of new cases of stroke will rise each year with the advent of the ageing era. Stroke has been categorized as 1) ischemic (obstruction); 2) hemorrhagic (bleeding); 3) transient (transient ischemic attack) by the American Heart assertion, with ischemic stroke accounting for 85% of all stroke cases [3] it will be focus of this review. An ischemic stroke results from artery occlusion in the brain, which if left untreated will lead to cell death in the affected part of the brain. Current treatment of (IS) Is to use tissue plasminogen activator (t-PA) a medication that can help remove the clot in the brain. Unfortunately, this medication is only useful if administered within 3-4.5 hours after the stroke [5]. Aspirin can also be used as a deter rent to stroke but only provides a 1% absolute reduction in death and recurrent (IS) [1]. Most patients over time show some spontaneous recovery after stroke. This recovery can be attributed to cell regeneration in the brain, this regeneration until recently was thought to be impossible. This process of cell recovery has been named neurogenesis [2,3]. However, this recovery is often incomplete. Creating a need for further cell recovery in the brain. This with the evidence of neurogenesis have sparked the creation of experimental work investigation cell transplantation therapy in (IS). Background and developments in Stem Cell therapy for Ischemic stroke The clinic approaches of (SCT) can be divided into endogenous and exogenous approaches. The endogenous approach aims to stimulate the stem cells already present within the induvial. This uses a granulocyte-colony stimulating factor (G-CSF) which is used to mobilize stem cells for transplantation in hematological damaged areas [5,6]. This has shown promising results in animal studies showing direct benefits in cognitive regeneration. Several phase II trials are currently underway to investigate its efficacy in (IS). The exogenous approach involves the transplantation of stem cells directly into the damage area. This involve in vitro culture of cells and cell expansion prior to admission. This review will focus on the studies using exogenous approaches to (SCT) in (IS), as it is seeing a lot more focus from the stem cell community. Following a stroke, both neural and supportive brain tissue elements are lost, unlike other neurogenerative disease that target a specific neuronal type. SCT for IS, therefore focuses on regenerative strategies to restore both neurol elements but supportive elements as well such as blood vessels. Many stem cells have been tested and evaluated in humans for their potentials in this use. Neural stem cells (NSC) It now generally accepted that neurogenesis originated from neural stem cells (NSC) that are located in specific regions of the adult mammalian brain. Throughout life creating new populations of neurons [17]. NSC can be isolated for fetal and adult mammalian brains. Multiply studies have shown isolation of NCS from adult rodent brains [18,19], and also a newer study has moved on to isolation in the human brain [20,21]. Preclinical studies explore the feasibility of using NSCs to treat IS. When giving NSC through intravenous or stereotactically route the NSC have been shown to survive, migrate towards the lesion and differentiate, while promoting tissue repair, consequently improved neurological function and recovery in ischemic rodent [15,16]. Studies have shown that delayed intravenous transplantation of NSC at 3 days after ischemic stroke exhibited delayed neuroprotection by suppressing inflammation and focal glial scar formation, suggesting that NSCs had the potential to extend t he therapeutic time window for ischemic stroke treatment [21]. There is currently a phase trial planned using commercial derived NSC named CTX to be delivered by stereotactic injection in patients with IS. While NSC show promise the practicability of routine brain biopsies for isolation of adult human NSC is not, leading many researchers to exploring other methods of SCT with cells that are more accessible. Bone marrow derived stem cells Bone marrow derived stem cells consist of both hematopoietic stem cells (HSC) and mesenchymal stem cells (MSC). HSCs are the precursors of all the blood and lymphoid cell lineages. MSCs give rise the stromal cells of the bone marrow. The stromal cells consist of chondrocytes, adipocytes and osteoblasts. Bone marrow is an attractive choice for isolating stem cells for being easily accessible, autologous (coming from the same individual) meaning there would be no need for immunosuppressant medication. Bone marrow cells have been shown to migrate to the brain a dissociate into cells the express neuron-specific markers [37]. Both populations of bone marrow cells have been studied extensively on their potential for neuronal differentiation and possible use in neuroregenerative therapy.
Subscribe to:
Posts (Atom)