Jonathan J. Litzau

Identification of the potent toxin bongkrekic acid in a traditional African beverage linked to a fatal outbreak

Travis M. Falconer, Sara E. Kern, Jennifer L. Brzezinski et al. · Forensic Science International · 2016 · 53 citations

Traditional African Beverage, Forensic Toxicology, Poisoning +8

Isolation and structural characterization of two tadalafil analogs found in dietary supplements

Valerie M. Toomey, Jonathan J. Litzau, Cheryl L. Flurer · Journal of Pharmaceutical and Biomedical Analysis · 2011 · 38 citations

Dietary Supplements, Structural Characterization, Pharmaceutical Science +7

Isolation and structural characterization of a new tadalafil analog (2-hydroxyethylnortadalafil) found in a dietary supplement

Sara E. Kern, Elisa A. Nickum, Rick A. Flurer et al. · Journal of Pharmaceutical and Biomedical Analysis · 2014 · 21 citations · Full text

Molecular Pharmacology, Medicinal Chemistry, Dietary Supplement +11

Novel pyrolysis-gas chromatography/mass spectrometric techniques for the characterization of chemical additives in portland cement and concrete

Ara A. Jeknavorian, Md.A. Mabud, Eugene F. Barry et al. · Journal of Analytical and Applied Pyrolysis · 1998 · 17 citations

Chemical Engineering, Cementation, Portland Cement +10

Evaluation of four field portable devices for the rapid detection of mitragynine in suspected kratom products

Sarah E. Voelker, Sara E. Kern, Travis M. Falconer et al. · Journal of Pharmaceutical and Biomedical Analysis · 2021 · 15 citations

Allergy, Medicine, Suspected Kratom Products +6