Category: Chemistry and Physics
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Quantification of Catechin and Vitamin C in Green Tea Using HPLC
By Emily Hart, Taylor Munger, Sasha Murphy Faculty Mentor: Sarah Smith Abstract This experiment aims to determine the concentrations of epigallocatechin-3-gallate (EGCG) and ascorbic acid (Vitamin C) in a variety of commercially available bottled tea brands. EGCG is a potent catechin commonly found in tea leaves that has shown preventative effects against cancer and cardiovascular…
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Analysis of water samples from drinking fountains from various buildings across the University of Mary Washington on the presence of the trace of metals (Fe, Al, Pb, Zn, Cr, Cu, Mn)
By Cameron Hyatt, Marina Klein, Iaroslavna Kovalenko, Timothy McCarthy Faculty Mentor: Sarah Smith Abstract Water plays an essential role in everyday life, and different containments in water can affect human health. The water samples from six water fountains across the University of Mary Washington campus will be compared and analyzed on the presence of metals…
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High-performance liquid chromatography of ascorbic acid (vitamin C) in generic and NatureMade® 500 mg vitamin C tablets
By Layla Cruz Martinez, Sean McGavin, Jillian Pabalan, Amina Walcott Faculty Mentor: Sarah Smith Abstract Ascorbic acid (i.e. Vitamin C) is an essential vitamin in promoting a healthy immune system. It can be found in over-the-counter tablets, with a variety of brands to choose from. The concentrations of ascorbic acid in name-brand and generic vitamin…
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Studies in Projectile Motion
By Jason Walker Faculty Mentor: Emmanuel Skamangas Abstract Projectile motion is usually defined as the motion of an object fired or projected through the air without additional propulsive force. In the ideal case of projectile motion, gravity is the only force acting upon the propelled object and air resistance is considered to be negligible. More…
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Effect of Proton Pump Inhibitors on the Growth of Jurkat T Lymphocytes
By Emma Jones, Caroline Sampson Faculty Mentor: Randall Reif Abstract Proton pump inhibitors, or PPI’s, have been shown to be toxic to Jurkat T lymphocytes, but it is unknown whether this is due to apoptosis, programmed cell death, or simply ceasing of growth. PPI’s kill cancer cells by inhibiting the movement of H+ (protons) out…
