Tuesday, October 29, 2019
Video Case Study Write ups Essay Example | Topics and Well Written Essays - 250 words
Video Case Study Write ups - Essay Example In this video, the host focused on gathering information from various sets of masses like peasants, millionaires, drag queens, students and many others. The central theme of the video is that as compared to the previous decades, the modern day Chinese masses is interested in graduating to a better life by making more money through their own method of working hard. It is interesting to point out that the video documentary brings into notice the relation of Chinese prosperity and American policy changes in the business front. Many well known companies like Ethan Allen, Wal-Mart as well as other well known retailers of the US market have focused on outsourcing their production lines in order to cut costs and generate high profit margins over the years. While this in turn promotes job loss in the American shores, yet it provides generates jobs as well as related economic prosperity in the Chinese market
Sunday, October 27, 2019
Doxorubicin for Drug Delivery in Cancer Treatment
Doxorubicin for Drug Delivery in Cancer Treatment Jobin Baby Title ââ¬â Nanoparticles (Doxorubicin) for drug delivery in cancer treatment Layman-friendly summary ââ¬â My aim for this research is to eliminate all traditional treatment used for cancer treatment and introduce nanoparticles as new carrier for drug delivery for cancer treatments. Cancer treatments such as administering toxic drug through injecting/orally doesnââ¬â¢t specifically target cancerous cells but causing the toxic drug go through the bloodstream. This causes cell toxicity by diffusing toxic drug from the bloodstream to the cells. Nanoparticles coated with drugs that can be specifically targeted on to the desired cancer cell. Nanoparticles are small structures that is usually range from sizes between diameter 1-100 nm. Scientific summary ââ¬â Nanoparticle enter the cell by receptor mediated endocytosis. Nanoparticle is engulfed/wrapped around by membrane a process called endocytosis. The interaction of the membrane and the nanocarriers allows for penetration of the cell by endocytosis. At time nanoparticle slip or penetrate in to the cell membrane and it adheres in to the cell. The nanoparticle containing the drug responds directly to the cell containing cancer and terminates it. Introduction ââ¬â Cancer is the most dangerous disease. To treat cancerous cell toxic drugs are injected in to the blood stream to kill the cancer cell. But toxic drugs diffuse in to the cell from the bloodstream causing other cells to be toxic. So to minimize diseases/toxicity to other cell or cell membrane nanoparticles should be introduce. Nanoparticles attack on specific cells that causes cancer. Nanoparticles are used to reduce risk of toxicity and side effects of the drug. Doxorubicin nanoparticles binds to specific site of cancer cell and initiate/penetrates inside the cancer cell and breaks open to kill the cancerous cell. Nanoparticles have a relatively large surface which is able to bind, adsorb and carry other compounds such as drugs, probes and proteins (Wim H De Jong, 2008). Cancer is demonstrated as uncontrollable cell growth. Cancer starts when damaged or unused cells start too dived uncontrollably it grows in numbers or doubles so itââ¬â¢s impossible to stop when it spreads around t he body. To stop uncontrollable division of cancerous cell we should react faster. Administering using injection or orally the time taken to react to this cancerous cells is too late so, using nanoparticles its time efficient and its reacts directly with the cancerous cell. A drug is transported to the place of action, hence, its influence on vital tissues and undesirable side effects can be minimized (Wilczewska AZ, 2012). Nanoparticles are used for drug targeting. So, when reaching to the intended diseased/cancerous site in the body the drug carried in the nanoparticle needs to be released. So for drug delivery biodegradable nanoparticle formulations is needed as its intention is to release the drug and react to the cancerous cell. Nanoparticles and their payloads have also been favourably delivered into tumors by taking advantage of the pathophysiological conditions, such as the enhanced permeability and retention effect and the spatial variations in the pHà ¢Ã¢â ¬Ã¢â¬ ¦value (Dr. Tianmeng Sun, 2014). Various nanostructures like polymers, silicon and magnetic nanoparticles have been tested as carriers in drug delivery systems. Like polymers it uses this system where drug is coated on to the polymer and is administered form the mouth to react to the tumor cell. Polymer is a biodegradable substance. So it biodegrades as time goes on. It doesnââ¬â¢t stay in the body so it causes less damage to the cell cause cell toxicity is reduces. It is the same for nanoparticles it provides its function and then degrades causing no further toxicity to the cells. NPs can be used to safely and reliably deliver hydrophilic drugs, hydrophobic drugs, proteins, vaccines, and other biological macromolecules in the body. They can be specifically designed for targeted drug delivery to the brain, lungs, tumor cells and spleen (Singh, 2011). Methodology ââ¬â Ten experimental rats containing cancerous cells kept under controlled condition Experimented on different rats with different stages of cancer The experiment was led under cleanroom because no contaminants enter and contradict the results. Nanoparticle (DOX) containing drug is placed on five rats Other five rats is undergone chemotherapy and its administered by injecting Every 24hrs results were recorded for 3 months Cell toxicity will be recorded by taking sample of blood from the rat every 48hrs The test subjects will be monitored for unusual behaviour for any side effects suffering from the nanoparticle injected in to the body or from the chemotherapy 4 hrs per chemotherapy was led. The treatment was led every three weeks for 3 months on rats. The lab and the result is checked by three competent authority After three months the rats under controlled environment will be checked for possibility of cancerous cell. If the results turned out as plausible, clinical trials is likely to happen. Grant chart ââ¬â Expected outcomes ââ¬â The outcome delivering nanoparticle containing the drug. A tumor marker is substance found in the body tissues that can be elevated only in cancer cells. Oncomarkers is the signature of a cancer cell and modern nanoparticles developed to conjugate to various molecular markers. Doxorubicin (DOX) is the most efficient anti-cancer drug. Thatââ¬â¢s why nanoscale capsule can deliver DOX only inside cancer cells using oncomarker signatures. It consists of a DNA-or origami shell covered by immune factors with molecular binding sites on its surface (Franà §ois Perreault, 2015). Nanoparticle delivery starts form bloodstream. DOX nanoparticles penetrate inside the cancer cell due to cancer markers on its surface. When nanocapsule conjugated with several markers its DNA-origami shell opens releasing DOX inside the cell. DOX successfully delivered. The cancer cell dies due to DOX direct delivery. So itââ¬â¢s expected using DOX direct delivery cancerous cell from the rats is eliminates/ter minated. DOX delivery will be expected to be faster and time efficient whereas chemotherapy will be slower. DOX delivery is expected to terminate cancerous cells but using chemotherapy it is expected that cancer cells is likely to be back or not all cancer cells are dead Budget ââ¬â Staff salary 3 staff â⠬21 per hour, 40 hrs in 2 weeks in a month so 6 weeks (240hr) in 3 months Per person â⠬5040 3 person total â⠬15,120 Clean room Clean room â⠬18000 for 3months from February to March Total= â⠬18000 Equipment Budget Malvern instrument â⠬540 Nanosight analyser- â⠬2750 Laboratories instrument â⠬600 Total= â⠬3890 Test Rats 10 Test rats â⠬1000 each Total= â⠬10000 Travel Budget â⠬2000 travel expense for conference meeting in Boston Massachusetts Total â⠬2000 Total budget needed = â⠬49,010 Plans for dissemination ââ¬â Once this research is completed this will be placed on scientific journal, newspapers, article and social media websites. This research will be approved to do clinical trials on real patients suffering from cancer. Scientific posters will be placed outside science conventions in Ireland and UK. A conference will be held on 27th September for science breakthrough and I will be presenting about my research and how it benefits in the future. Findings of my research will be presented on graphs and on excel to allow people to visualize my research. To spread news around hospitals, research will be published on local newspapers. Bibliography Dr. Tianmeng Sun, D. Y. (2014). Engineered Nanoparticles for Drug Delivery in Cancer Therapy. Angewandte Chemie International Edition, 12320ââ¬â12364. Franà §ois Perreault, A. F. (2015). Environmental applications of graphene-based nanomaterials. Chemical Society Reviews. Singh, A. M. (2011). Biodegradable nanoparticles are excellent vehicle for site directed in-vivo delivery of drugs and vaccines. Journal of Nanobiotechnology, 9-55. Wilczewska AZ, N. K. (2012). Nanoparticles as drug delivery systems. 1020-1037. Wim H De Jong, P. J. (2008). Drug delivery and nanoparticles: Applications and hazards. Int J Nanomedicine, 133ââ¬â149.
Friday, October 25, 2019
Pancreas Essays -- science
Pancreas Name and Functions The part I researched, which has only one name, is the pancreas. The pancreas is an organ that produces digestive juices necessary to break down food. It also produces insulin and glucagons. Insulin and glucagons are two hormones needed to break down sugar and to regulate our metabolism. The pancreas provides a lot of power to the body. For example, it allows you to eat many foods and allows your body to feed your cells the energy they need. It also allows you to exercise without decreasing your blood sugar. As you can see the pancreas has a lot of jobs, without the pancreas it would be difficult to live. Organization in the Body If you didnft have a pancreas you would have to give yourself hypodermic shots everyday for the rest of your life. The pancreas is part of the digestive system. Organs located near the pancreas are the stomach, the small intestine, the liver, and the gallbladder. The stomachfs function is to digest and store food and the small intestine and it is used for digestion and the absorption of nutrients. To absorb nutrients, take out poisons, and produce bile you need the liver, and to store that bile you need the gallbladder. The pancreas is located deep in the abdomen between the spine and stomach. It is partially behind your stomach but the other part nestles in the curve of the duodenum. The digestive juices in the pancreas flow through a duct to the duodenum into the small intestine. The digestive juices con...
Thursday, October 24, 2019
Human Nature Essay
After reading Mencius essay ââ¬Å"Mans Nature is Goodâ⬠and Hsun Tzuââ¬â¢s essay ââ¬Å"Mans Nature is Evilâ⬠It made me realize that men are shaped by experience. People are born with a blank mind with a desire of some knowledge. Much of what we learn affects our behavior. Throughout our life, experiences have been shaping what we are. Both Mencius and Tzu believe the complete opposite, arguing that men are born with a nature of being good or evil. By reading these articles Iââ¬â¢ve come to assume that people are born neither good nor evil; instead both of these are obtained through the filling of our mind with experiences and all this together has influenced what we become. Hsun Tzuââ¬â¢s theory about how human nature is inherently evil and Mencius about how we are good caught my attention, because it made me realize that man can go either way. Even though I donââ¬â¢t agree with either of them entirely, they opened my mind about how nature can turn one way or another. People are not born inherently good because if thatââ¬â¢s the case then every society would have to be good and would not bother with problems like violence and other chaotic scenarios. To go into a good pathway, people must be straightened by mentors. Like Tzu uses on his essay ââ¬Å"A warp piece of wood must wait until it has been laid against the straightening board, steamed, and forced into shape before it can become straight; a piece of blunt metal must wait until it has been whetted on a grindstone before it can become sharpâ⬠(101). Family, schools, and religion are a fair way to obtain this goodness. For example these three sources have taught us since childhood to be respectful. This is the kind of experiences one has to follow in order to be good. Family has taught us to have good manners; therefore they work as our mentors. It is just your choice whether to implement these experiences of being good into your life or to go by the experience you been having with the wrong people. People arenââ¬â¢t born evil either. Instead people learn this through experience as well. For example traumatic experience and experiencing poor family conditions can make a child into a delinquent. Mencius said that ââ¬Å"If you plant the seeds carefully at the same time and in the same place, theyââ¬â¢ll all sprout and grow ripe by summer solstice. If they donââ¬â¢t grow the same- itââ¬â¢s because of the inequities in richness of soil, amounts of rainfall, or the care given to them by farmers. And so, all members belonging to a given species of thing are the sameâ⬠(97). In this metaphor Mencius is trying to say that if you are placed in a different habitat where you learn from the outsiders, you are grown by the influence of them, which in his opinion is evil. I found this to be true but also I want to add that it is not always evil, it can be for the good of somebodies development. Being with the family can be good however sometimes we experience inconsistent parenting or poor parenting where it affects our development. Sometimes people canââ¬â¢t avoid these kinds of experiences but others like being with friends and acting up to their level of immaturity can be avoided. It is up to the experiences youââ¬â¢ve had that will form into what you become. After going through both essays my mind is set into these ideas. People are born with a blank mind but also we can change after what become of us, either it is for the good or for the evil. Peers have much to do with a personââ¬â¢s behavior. As friends you might have the feeling of just fitting in, having to change your manners to feel part of the group. It depends much on our surroundings; this is what triggers our brain to learn from others and development starts operating. Society is an important factor to our development because it is that, what forms our way of living and thinking. People might not like society because they donââ¬â¢t agree with something cultural or religious but whatever the circumstances are they still are triggered by it. At last, my beliefs are now more explained and understood after going through the readings. These articles influenced me to the point that I now believe human nature starts as a blank mind which means we are born without any knowledge and habits. This is when experience comes in. Through our experience with everything around us we become what we are. Our experience since childhood has a great impact in what we are; in other words most of our nature comes from family. Nevertheless, I donââ¬â¢t mean that everyone is shaped from their parents, what I mean is that there are other sources from experience out there that shapes our development (nature). It is your choice to either keep following those experiences, whether the good or the evil, but any how nurture is what will define what you become. Works Cited Austin, Michael, ed. Reading the World: Ideas that Matter. New York: Norton. 2010. Print. Mencius ââ¬Å"Manââ¬â¢s Nature is Goodâ⬠. Austin 94-98 Tzu, Hsun ââ¬Å"Manââ¬â¢s Nature is Evilâ⬠.
Wednesday, October 23, 2019
Agamemnon and Achilleus Essay
ââ¬ËDescribe the characters of Agamemnon and Achilleus as they are revealed in Book 1 of The Iliad. Who do you think was more to blame for their quarrel and its immediate outcome?ââ¬â¢Ã In book 1 of the Iliad the quarrel between Agamemnon and Achilles establishes their characters. We see Agamemnon and proud and authoritative yet often uncaring and uncompromising. Achilles is by contrast practical, powerful, yet deeply and sometimes dangerously passionate. Agamemnon is repeatedly unreasonable. When Chryses comes for his daughter (an entirely normal and natural request in the ancient world), Agamemnon does not listen, even though ââ¬Å"all the other Achaians shouted their agreementâ⬠. He is rude and arrogant towards the priest and ââ¬Å"sent himâ⬠¦ on his wayâ⬠, with threats and taunts about Chryseis, who will ââ¬Å"serve my bedâ⬠.à When Kalchas, who has repeatedly stated that Agamemnon will not like what he says blames Agamemnon for the plague among the Greeks, Agamemnon reacts vehemently. ââ¬Å"in deep angerâ⬠¦ he spokeâ⬠¦ ââ¬Ëprophet of evil, you have never told me anything to your likingâ⬠. It is this unreasonable and uncompromising attitude that contributes to his quarrel with Achilles. He persists with his demand for compensation for the loss of Chryseis, even after he has seen how much this angers Achilles.à Achilles however often displays a practical and compromising approach to problems. When the plague is ravaging the Greeks, it is Achilles who calls the assembly and takes the lead. When Agamemnon first demands compensation, Achilles simply states that there isnââ¬â¢t anything to give Agamemnon. He goes on to promise that ââ¬Å"we will recompense you three and four times over ifâ⬠¦ everâ⬠¦ weâ⬠¦ sack Troyâ⬠. And when Agamemnon decides to take Briseis, Achilles holds back from attacking Agamemnon. Nor does he bear any grudge against the servants of Agamemnon who come to take Briseis. ââ¬Å"It is not you I blame,â⬠he says. Another aspect of Agamemnonââ¬â¢s character is his arrogance. He sees women as mere objects, describing Chryseis as ââ¬Å"to serve my bedâ⬠and ââ¬Å"work at the loomâ⬠, a girl who he prefers to his wife Klytaimestra. He is arrogant towards Chryses, a respected priest, and even to his fellow kings, Ajax and Odysseus, whose prizes he threatens to take. He arrogantly demands compensation, and never once apologises for taking Briseis. He is repeatedly insensitive towards Achillesââ¬â¢ anger and sense of injustice and deliberately takes Briseis, so that Achilles can see ââ¬Å"how much I am your superiorâ⬠.à Undoubtedly these attitudes fuel the disagreement between Agamemnon and Achilles. Agamemnon is a leader, and leaders are supposed to compromise and not abuse their power. The Greeks need Achilles, yet Agamemnonââ¬â¢s pride seems to overrule this. ââ¬Å"Yes, run home, if that is what your heart urgesâ⬠Achillesââ¬â¢ is extremely passionate and one of the more human of the Homeric heroes. He often expresses his emotion quite openly, ââ¬Å"he threw the staff to the groundâ⬠, ââ¬Å"broke into tearsâ⬠. He launches savage verbal attacks of ââ¬Å"stinging wordsâ⬠on Agamemnon, describing him as ââ¬Å"dog-faceâ⬠who ââ¬Å"never has the courageâ⬠and ââ¬Å"whose shamelessness is your very clothingâ⬠. Achilles anger is such that he stops fighting, leaving his fellow Greeks to the mercy of the Trojans, even though he is ââ¬Å"yearning for battleâ⬠. Achilles is passionate about his rewards and has an almost egalitarian streak about him. ââ¬Å"Your prize is by far the larger, when I have worn myself out in the fightingâ⬠, he says, ââ¬Å"I have no mind to stay here reaping up treasures for youâ⬠. Achilles passion nearly leads him attacking Agamemnon, and his hand is only stayed by the intervention of a goddess. Nestor correctly identifies that Achilles feels that Briseis is his prize, not to be taken by anybody, and that Agamemnon feels that to back down would be to call his own authority into question. Yet the men respond quite differently to Nestorââ¬â¢s words. Agamemnon makes yet more savage accusations against Achilles claiming that he wants to ââ¬Å"rule all, to dictate allâ⬠ââ¬â when all he has wanted so far is to keep possession of what is his.à Achilles however responds quite reasonably. He backs down and decides ââ¬Å"not to come to hand-fighting over the girlâ⬠, accepting that ââ¬Å"you Achaians gave her, and you shall take her awayâ⬠ââ¬â which is exactly what wise Nestor had asked him to do ââ¬â not to ââ¬Å"seek open quarrel with the kingâ⬠. Agamemnon must therefore be more to blame for the quarrel. He is leader of the Greeks. It is his duty to compromise and unify the Greeks. He never offers Achilles any form of compensation for the loss of Briseis. He ignores the wishes of his fellow Greeks and the wisdom of Nestor. Achilles may be impulsive sometimes, but it is the duty of a leader to control that impulsiveness.
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