CENTENNIAL HONORS COLLEGE Western Illinois University Undergraduate Research Day 2015

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CENTENNIAL HONORS COLLEGE
Western Illinois University
Undergraduate Research Day 2015
Poster Presentation
Analysis of Trace Amounts of Penicillin in Lake Water Using High Performance Liquid
Chromotography
Elizabeth Sharp
Faculty Mentor: Brian Bellott
Chemistry
High performance liquid chromatography is an analytical method that is typically used to separate
components of mixtures. The separation is based on the components’ interaction with both a mobile phase
and the particles in a stationary phase column. However, when it is used in conjunction with an analytical
standard, it can quantify a specific analyte in a matrix. Various water samples were collected from Spring
Lake in Macomb, Illinois and were extracted and analyzed for penicillin. This particular pharmaceutical
has been known to be prevalent in water in trace amounts. Penicillin is one of the most common
antibiotics prescribed to patients experiencing a variety of symptoms. It was one of the first known drugs
to effectively treat both staph and strep infections. Less than 1% of the population experiences adverse
effects from this antibiotic and are likely attributed to allergic reaction. For these reasons, quantifying
penicillin in local water samples is of great interest and is the focus of the study.
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