Discussion Using the Thin Layer Chromatography experiment‚ caffeine was found to be the most polar due to the fact that it stayed closer to the stationary phase. Caffeine contains four amine groups that are extremely polar as a result of the hydrogen bond and amide functional group. Acetaminophen was found to be the second most polar analgesic drug tested. Acetaminophen contains a polar alcohol group on one side and amide group on the other but also includes non-polar functional groups that consisted
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TITLE Vapour Liquid Equilibrium OBJECTIVE To find the Vapour-Liquid Equilibrium (VLE) relationship for binary mixture and to plot the equilibrium curve. INTRODUCTION The term equilibrium is referred to as when a system is in a static condition and there is absolutely no changes that occur as time goes by. Vapour-liquid equilibrium is a condition where a liquid and its vapor are in equilibrium with each other‚ a condition or state where the rate of evaporation is equal to the rate of condensation
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exchange Chromatography Ion exchange chromatography is a process for separating proteins and other molecules in a solution based on differences in net charge. Ion Exchange Chromatography relies on charge-charge interactions between the proteins in your sample and the charges immobilized on the resin of your choice. Ion exchange chromatography can be subdivided into cation exchange chromatography‚ in which positively charged ions bind to a negatively charged resin; and anion exchange chromatography‚ in
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AIDS is a disease that damages the immune system and interferes with a person’s ability to fight off disease. It is most commonly transmitted sexually‚ but can also be transmitted through infected blood exposure and through birth. Mayoclinic.com says “AIDS is a chronic‚ potentially life-threatening condition” AIDS is caused by the retrovirus HIV‚ HIV targets T-cells which are vital immune system cells and without them it is nearly impossible to fight a common cold let alone a life threatening disease
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Administration by George D. Pozgar‚ the Acquired Immunodeficiency Syndrome (AIDS) is a fatal disease that destroys the body’s ability to fight bacteria and viruses. AIDS is caused by the human immunodeficiency virus (HIV). It is considered to be the deadliest epidemic in human history with the first case being reported in 1981. It has been estimated that more than 21 million people have died from AIDS. (Pozgar‚ 2012‚ p. 353 & 364) AIDS is a collection of specific‚ life-threatening‚ opportunistic infections
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AIDS (Acquired immune deficiency syndrome or acquired immunodeficiency syndrome) is a disease caused by a virus called HIV (Human Immunodeficiency Virus). The illness alters the immune system‚ making people much more vulnerable to infections and diseases. This susceptibility worsens as the disease progresses. HIV is found in the body fluids of an infected person (semen and vaginal fluids‚ blood and breast milk). The virus is passed from one person to another through blood-to-blood and sexual contact
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any one factor that affects retention on paper chromatography Design and carry out a scientific investigation on any one factor that affects retention on paper chromatography CHEMISTRY LAB REPORT CHEMISTRY LAB REPORT Name: Sri Danielle Class: 9A Teacher: Sir Ajay Name: Sri Danielle Class: 9A Teacher: Sir Ajay Aim My aim for this experiment is to find out how different types of solvent will affect the retention factor in paper chromatography. Hypothesis I think that there will be a
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CHROMATOGRAPHY OF PLANT PIGMENTS Marquez‚ Ma. Rica Paulene‚ Moises‚ Patrisha Kate‚ Policarpio‚ Jairus Paolo‚ Rolda‚ Zylene Joy Department of Biology‚ College of Science‚ University of the Philippines Baguio April 23‚ 2013 ABSTRACT The objective of this experiment was to apply the technique of paper chromatography as a method for separating individual plant pigments contained in plant tissue extracts containing pigment blends. The process of chromatography separates molecules because of the
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HIV/AIDS The world is plagued by the HIV infection which almost always comes before AIDS. If you are HIV positive‚ that doesn’t mean you have AIDS. Having AIDS usually means that you are HIV positive. HIV (Human Immunodeficiency Virus) basically breaks down your immune system until it can’t function properly anymore. AIDS (Acquired Immune Deficiency Syndrome) never really kills anyone; instead it is a disease like pneumonia or something like that‚ that the body cannot fight because its immune system
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What is AIDS? Human immunodeficiency virus (HIV) is a lentivirus (slowly-replicating retrovirus) that causes acquired immunodeficiency syndrome (AIDS)‚ a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive (1). A virus is a piece of genetic material‚ RNA or DNA‚ surrounded by a protein coat. To replicate‚ a virus must infect a cell and direct its cellular machinery to produce new viruses. A virus cannot
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