Gregory W. Vandergrift

A new quantitative drug checking technology for harm reduction: Pilot study in Vancouver, Canada using paper spray mass spectrometry

Scott A. Borden, Armin Saatchi, Gregory W. Vandergrift et al. · Drug and Alcohol Review · 2021 · 82 citations · Full text

Paper spray mass spectrometry for the direct, semi-quantitative measurement of fentanyl and norfentanyl in complex matrices

Gregory W. Vandergrift, Arden J. Hessels, Jan Palaty et al. · Clinical Biochemistry · 2018 · 71 citations

Chemical Measurement, Gas Chromatography, Medicine +9

Molecular Characterization of Organosulfate-Dominated Aerosols over Agricultural Fields from the Southern Great Plains by High-Resolution Mass Spectrometry

Gregory W. Vandergrift, Abu Sayeed Shawon, Darielle Dexheimer et al. · ACS Earth and Space Chemistry · 2022 · 37 citations · Full text

Environmental Monitoring, Engineering, Air Quality +19

A semi‐quantitative approach for the rapid screening and mass profiling of naphthenic acids directly in contaminated aqueous samples

Kyle D. Duncan, Dane R. Letourneau, Gregory W. Vandergrift et al. · Journal of Mass Spectrometry · 2015 · 32 citations

Direct mass spectrometric analysis of naphthenic acids and polycyclic aromatic hydrocarbons in waters impacted by diluted bitumen and conventional crude oil

J. J. Monaghan, Larissa C. Richards, Gregory W. Vandergrift et al. · The Science of The Total Environment · 2020 · 32 citations · Full text