James E. McGuffey

Comparison of Serum and Salivary Cotinine Measurements by a Sensitive High-Performance Liquid Chromatography-Tandem Mass Spectrometry Method as an Indicator of Exposure to Tobacco Smoke Among Smokers and Nonsmokers*

John T. Bernert, James E. McGuffey, Melissa Morrison et al. · Journal of Analytical Toxicology · 2000 · 184 citations

Pharmacy, Toxicology, Analytical Toxicology +13

Analysis of the Tobacco-Specific Nitrosamine 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol in Urine by Extraction on a Molecularly Imprinted Polymer Column and Liquid Chromatography/Atmospheric Pressure Ionization Tandem Mass Spectrometry

Yang Xia, James E. McGuffey, Sumita Bhattacharyya et al. · Analytical Chemistry · 2005 · 109 citations

Pharmacy, Toxicology, Analytical Chemistry +13

Validation of a LC-MS/MS Method for Quantifying Urinary Nicotine, Six Nicotine Metabolites and the Minor Tobacco Alkaloids—Anatabine and Anabasine—in Smokers' Urine

James E. McGuffey, Binnian Wei, John T. Bernert et al. · PLoS ONE · 2014 · 66 citations · Full text

Pharmacy, Pharmacology, Toxicology +16

Use of Cotinine Immunoassay Test Strips for Preclassifying Urine Samples from Smokers and Nonsmokers Prior to Analysis by LC-MS-MS*

John T. Bernert, Tia L. Harmon, Connie S. Sosnoff et al. · Journal of Analytical Toxicology · 2005 · 65 citations

Pharmacy, Toxicology, Analytical Toxicology +15

A high-throughput robotic sample preparation system and HPLC-MS/MS for measuring urinary anatabine, anabasine, nicotine and major nicotine metabolites

Binnian Wei, June Feng, Imran J. Rehmani et al. · Clinica Chimica Acta · 2014 · 59 citations · Full text

Pharmacy, Pharmaceutical Analysis, Pharmacology +12