Western Illinois University: Macomb Campus

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Additional Information

Office Hours

     MW 9:00-11:00,  or by appointment

Education

Ph.D. Analytical Chemistry, University of South Carolina, Columbia, SC, 2009

    M.S. Enbironmental Toxicology, Texas Tech University, Lubbock, TX, 2006

    M.S. Analytical Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Science

    B.S. Chemical Education, Yanbei Normal College, Shanxi, China, 1999

Classes

    Chem 551 Forensic analytical chemistry

    Chem 580 Graduate seminar

    Chem 451 Applications of forensic chemistry

    Chem 452 Forensic toxicology and DNA analysis

    Chem 440 Elementary forensic techniques

    Chem 101 General chemistry

Teaching Areas

     Forensic Chemistry, General Chemistry

Research Interests

    Trace evidence analysis

    Forensic toxicology

    Environmental/analytical toxicology

    Food safety

    Dr. Guan has wide ranging research interests in forensic, environmental, and analytical chemistry, especially in analytical method development and validation using   

     chromatography and mass spectrometry. Her recent research has focused on sample preparation and analysis of drugs of abuse, pharmaceuticals, pesticides, gunshot

     residue, explosives, food adulterants, and toxins.

     Recent Publications

    Guan, H.; Brewer, W. E.; Morgan, S. L. "Disposable pipette extraction for the analysis of pesticides in fruit and vegetables using gas chromatography/mass spectrometry."    

    Journal of Chromagraphy A 2010, 1217 (12), 1867-1874.

    Guan, H.; Brewer, W. E.; Garris, S. T.; Craft, C.; Morgan, S. L. "Multiresidue Analysis of Pesticides in Fruits and Vegatables Using disposable Pipette Extraction (DPX) and

     Micro-Luke Method." Journal of Agricultural and Food Chemistry 2010, 58 (10), 5973-5981.

     Guan, H.; Brewer, W. E.; Morgan, S. L. "New Approach to Multiresidue Pesticide Determination in Foods with High Fat Content Using Disposable Pipette Extraction (DPX)

     and Gas Chromatography-Mass spectrometry (GC-MS)," Journal of Agricultural and Food Chemistry 2009, 57 (22), 10531-10538.

     Afriyie-Gyawu, E.; Wang, Z.; Ankrah, N.-A.; Xu, L.; Johnson, N. M.; Tang, L.; Guan, H,; Phillips, T. D. "Novasil Clay Does not Affect The Concentrations Of Vitamins A And E And

     Nutrient Minerals In Serum Samples From Ghanaians At High Risk For Aflatoxicosis," Food Additives and Contaminants 2008, 25 (7), 872-884.

     Tang, L,; Guan, H,; Ding, X, Wang, J. S. "Moduation of Aflatoxin Toxicity and Biomarkers by Lycopene in F344 Rats," Toxicology and Applied Pharmacology 2007, 219(1),

      10-17.

      Billam, M,; Tang, L,; Cai, Q,; Mukhi, S,; Guan, H,; Wang, P,; Wang, Z,; Theodorakis, C. W.; Kendall, R. J.; Wang, J. S. "Seasonal Variations in the concentration of

      Microcystin-LR in Two Lakes in Western Texas, USA," Environmental Toxicology and Chemistry 2006, 25 (2), 349-55.

      Wang, J. S,; Luo, H,; billam, M,; Wang, Z,; Guan, H,; Tang, L,; goldston, T,; Afriyie-Gyawu, E,; Lovett, C,; Griswold, J,; Brattin, B,; Taylor, R. J.; Huebner, H. J.; Phillips, T. D.

      "Short-term Safety Evaluation of Processed Calcium Montmorillonite Clay (NovaSil) in Humans," Food Additives and Contaminants 2005, 22(3), 270-279.

      Afriyie-Gyawu, E,; Mackie, J,; Dash, B,; Wiles, M,; Taylor, J,; Heubner, H,; Tang, L,; Guan, H,; Wang, J.S.; Philips, T. D. "Cronic Toxicological evaluation of dietary NovaSil clay

      in Sprague-Dawley rats," Food Additives and Contaminants 2005, 22(3), 259-269.