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Scientist
•Pharmacokinetic LC/MS analysis of plasma samples.
•Quality assurance LC/MS analysis of novel drugs in support of synthetic chemistry
department.
•Drug product stability analyses
Magellan Laboratories
Research Triangle Park, NC 27709 United States
04/1997 - 12/1998
Chemist
•Conducted LC/MS and GC/MS studies for structural elucidation of drug product
impurities and quantification of drug substances in a GLP/cGMP environment.
•Characterized and quantified trace level extractables from plastic and rubber
componentry of drug delivery devices using GC/MS and HPLC/MS.
•In vitro screening and quantification of compounds for discovery support.
Wrote GLP reports for FDA filings.
•Peer reviewed and quality assurance audited laboratory notebooks and study reports.
Education:
The University of Michigan
Ann Arbor, MI United States
Doctorate 12/1997
Major:
Analytical Chemistry
Relevant Coursework, Licenses and Certifications:
Ph.D. in Analytical Chemistry with Professor David M. Lubman, Department of
Chemistry, and Professor Walter J. Weber, Department of Civil and Environmental
Engineering, THE UNIVERSITY OF MICHIGAN, 1997
•Developed a rapid identification technique analyzing bacterial components by mass
spectrometry using matrix-assisted laser desorption/ionization time-of-flight mass
spectrometry (MALDI-TOF MS) and liquid chromatography/electrospray ionization
mass spectrometry (ESI MS).
The University of Michigan
Ann Arbor, MI United States
Master's Degree 12/1996
Major:
Environmental Engineering
Relevant Coursework, Licenses and Certifications:
M.S. in Environmental Engineering, THE UNIVERSITY OF MICHIGAN, 1996
• Investigated the degradation of polychlorinated biphenyls using ultraviolet lamps and
lasers with analysis by GC, HPLC, and GC/MS.
Florida International University
Miami, FL United States
Bachelor's Degree 06/1990
Relevant Coursework, Licenses and Certifications:
B.S. in Chemistry, FLORIDA INTERNATIONAL UNIVERSITY, High Honors, 1990
•Studied the degradation of chlorendic acid (a water-soluble model for the pesticide
dieldrin) using a high energy electron beam pilot-scale facility, Drinking Water
Research Center, Florida International University, Miami, Florida
•Determined the presence of radon in soil and water samples from Miami-Dade County,
Florida: sample preparation, transfer of gases to cell for analysis by scintillation counter
and data collection.
Professional
Publications:
Haejung An, Mark Henry, Teresa Cain, Bichsa Tran, Han Chol Paek and Dennis
Farley. “Determination of Total Nitrofuran Metabolites in Shrimp Muscle Using Liquid
Chromatography-Tandem Mass Spectrometry in APCI Mode”, submitted to JAOAC.
Mark Henry, Haijung An, Teresa Cain, Bichsa Tran, John Cheng, Han Chol Paek and
Dennis Farley “Validation of Liquid Chromatography-Tandex Mass Spectrometry
Method for Determination of Total Nitrofuran Metabolites in Shrimp in APCI Mode”
poster presented at the 59th American Society for Mass Spectrometry Conference on
Mass Spectrometry & Allied Topics, Denver, Colorado, June 5 – 9, 2011