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CVM Profile - Nathan Guy Rummel

Nathan Guy Rummel

Chemist

B.S. in Biochemistry, University of Missouri-Columbia, 1990
NRummel@cvm.fda.gov
Phone: 301-827-8119
Fax: 301-827-8250

Evaluates validated methods and collaborates in the methods development of pharmaceutically active compounds and their metabolites in various edible and feeds matrices. Collaborated with a scientist in the development of sulfamethazine in egg tissues and three diuretic drug residues in milk. Will have a pharmacokinetic procedure for one of the diuretics. Also validated the analysis of barbiturates in dogfood, and was involved in a survey. Conducted method trials of quinolones in several aquatic species and gentian violet in poultry feeds. Performed an intra-laboratory validation of cephapirin and ceftiofur in milk. Analyzing milk samples dosed with cephapirin to compare screening assays to an HPLC procedure.

Selected Bibliography:

  1. B. Shaikh and N. Rummel. 1998. Determination and Validation of Sulfamethazine and its Major Metabolites in Egg Albumin and Egg Yolk by High Performance Liquid Chromatography. Journal of AOAC International. In preparation.

  2. B. Shaikh and N. Rummel. 1998. Determination of Trichlormethiazide in Bovine Milk by High Performance Liquid Chromatography. Journal of Chromatography B. Pages 137-143.

  3. B. Shaikh and N. Rummel. 1998. High Performance Liquid Chromatographic Determination of Chlorothiazide and Hydrochlorothiazide Drugs in Bovine Milk. Journal of Agriculture and Food Chemistry. Volume 46, Number 3, pages 1039-1043.

  4. J. Royball, A. Pfenning, R. Munns, D. Holland, J. Hurlbut, A. Long, P. Kijak, and N. Rummel. 1997. Method Trial of the Determination of Malachite Green and Metabolite, Leucomalachite Green in Catfish (Ictalarus punctatus) Tissue by High Performance Liquid Chromatography with Visible Detection. In Review.

  5. J. Hurlbut, R. Burkepile, C. Geisler, P. Kijak and N. Rummel. 1997. Colorimetric Determination of Selenium in Mineral Premixes. J. AOAC. Vol. 80, No.4, pages 709-716.

updated October 31, 2000 at 9:12 AM ET


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