The Analytical Chemistry Core (ACC;Core B) will be a new addition to Duke University's established Superfund Research Center (SRC). The mission of Duke's SRC has been and continues to be identifying the expression and mechanisms of developmental effects from early life exposure to Superfund chemicals and their transformation products. Addition of an analytical chemistry core to this center will enhance the biomedical and non-biomedical projects by providing state-of-the-art analytical support to monitor and quantify organic contaminant levels which can aid in identifying mechanisms of developmental toxicity. Adding the support of an ACC will provide the means of evaluating key relationships between exposures and body burdens, which will help determine what the potential biological "costs" of early life exposures are for both humans and ecosystems;and furthermore, to determine whether or not remediation strategies are effective or if they increase these costs. The ACC will provide services for routine analyses of samples for organophosphate pesticides (e.g. chlorpyrifos), polycyclic aromatic hydrocarbons (PAHs), and brominated flame retardants (e.g. polybrominated diphenyl ethers) levels. In addition this core will assist in the identification of contaminant degradation products and/or metabolites which will be examined in several research projects. Lastly, the ACC will also serve as a teaching and training center for Duke University undergraduate and graduate students. The ACC will be supervised by Dr. P. Lee Ferguson, an Associate Professor of Environmental Science &Engineering with over ten years of experience in environmental mass spectrometry and trace analysis. Dr. Heather M. Stapleton, an Assistant Professor of Environmental Science and experienced trace analytical chemist, will serve as co-principal investigator and help manage the ACC. Drs. Ferguson and Stapleton currently supervise research laboratories equipped for high through-put extraction and analysis of samples for trace organic chemicals using a combination of gas chromatography mass spectrometry (GC/MS), liquid chromatography tandem mass spectrometry (HPLC/MS-MS), and high resolution mass spectrometry (HPLC/Orbitrap MS).
The function of this Analytical Chemistry Core (Core B) will be to provide routine sample analysis and monitoring of Superfund contaminants examined in individual biomedical and non-biomedical projects, and in identifying degradation products and/or metabolites of these Superfund contaminants. This service will be utilized by all projects detailed in Duke's Superfund Research Center.
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