Karen A. Wolnik - Concepedia

Author

Karen A. Wolnik

United States Food and Drug Administration

Also Known As

K A Wolnik, K. A. WOLNIK, K. A. Wolnik, K.A. Wolnik, KA Wolnik, Karen A Wolnik, Karen A. Wolnik, Karen Wolnik

Publications

1.6K

Citations

H-Index

Concepts

All Affiliations

United States Food and Drug Administration University of Cincinnati

About

Karen A. Wolnik is an author at United States Food and Drug Administration specializing in analytical chemistry, medicine, and chromatography.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Medicine	13	16	694
2	Engineering	10	10	405
3	Health Sciences	6	6	341
4	Public Health	5	5	410
5	Natural Sciences	4	4	163

Karen A. Wolnik

Publications

1.5K

Citations

H-Index

Page 1

	Year	Citations
Analysis of undeclared synthetic phosphodiesterase-5 inhibitors in dietary supplements and herbal matrices by LC–ESI–MS and LC–UV Samuel R. Gratz, Cheryl L. Flurer, Karen A. Wolnik Journal of Pharmaceutical and Biomedical Analysis Dietary SupplementsPharmaceutical ScienceBiochemistryActive IngredientMedicine	2004	175
Elements in major raw agricultural crops in the United States. 1. Cadmium and lead in lettuce, peanuts, potatoes, soybeans, sweet corn, and wheat Karen A. Wolnik, Fred L. Fricke, Stephen G Capar, Journal of Agricultural and Food Chemistry Metal ContaminationAgricultural EconomicsAltmetric Attention ScoreFood ContaminantUnited States	1983	147
Arsenic speciation by ion chromatography with inductively coupled plasma mass spectrometric detection Brenda S. Sheppard, Joseph A. Caruso, Douglas T. Heitkemper, The Analyst	1992	142
Elements in major raw agricultural crops in the United States. 3. Cadmium, lead, and eleven other elements in carrots, field corn, onions, rice, spinach, and tomatoes Karen A. Wolnik, Fred L. Fricke, Stephen G Capar, Journal of Agricultural and Food Chemistry EngineeringBotanyAgricultural EconomicsAltmetric Attention ScoreFood Contaminant	1985	131
Elements in major raw agricultural crops in the United States. 2. Other elements in lettuce, peanuts, potatoes, soybeans, sweet corn, and wheat Karen A. Wolnik, Fred L. Fricke, Stephen G Capar, Journal of Agricultural and Food Chemistry NutritionAgricultural EconomicsAltmetric Attention ScoreUnited StatesCrop Varieties	1983	78
Sample introduction system for simultaneous determination of volatile elemental hydrides and other elements in foods by inductively coupled argon plasma emission spectrometry Karen A. Wolnik, F. L. Fricke, Mark H. Hahn, Analytical Chemistry Food ChemistrySample Introduction SystemFood AuthenticationEnvironmental Analytical ChemistrySpectroscopy	1981	77
[16] Inductively coupled plasma-emission spectrometry Karen A. Wolnik Methods in enzymology on CD-ROM/Methods in enzymology Analytical InstrumentationNatural SciencesSpectroscopyMass SpectrometryAnalytical Chemistry	1988	75
Determination of ephedrine compounds in nutritional supplements by cyclodextrin-modified capillary electrophoresis Cheryl L. Flurer, Lorrie A. Lin, R. Duane Satzger, Journal of Chromatography B Biomedical Sciences and Applications Nutritional SupplementsCapillary ElectrophoresisBiochemistryGas ChromatographyMedicine	1995	72
Hydride generation/condensation system with an inductively coupled argon plasma polychromator for determination of arsenic, bismuth, germanium, antimony, selenium, and tin in foods Mark H. Hahn, Karen A. Wolnik, Fred L. Fricke, Analytical Chemistry Chemical EngineeringEnvironmental ChemistryHydride Generation/condensation SystemEngineeringChemical Measurement	1982	60
Chemical profiling of pharmaceuticals by capillary electrophoresis in the determination of drug origin Cheryl L. Flurer, Karen A. Wolnik Journal of Chromatography A Capillary ElectrophoresisBiochemistryMedicineDrug PurityMass Spectrometry	1994	47

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