Atmospheric pressure chemical ionization source. 1. Ionization of compounds in the gas phase FJ Andrade, JT Shelley, WC Wetzel, MR Webb, G Gamez, SJ Ray, ... Analytical chemistry 80 (8), 2646-2653, 2008 | 397 | 2008 |
Atmospheric pressure chemical ionization source. 2. Desorption− ionization for the direct analysis of solid compounds FJ Andrade, JT Shelley, WC Wetzel, MR Webb, G Gamez, SJ Ray, ... Analytical chemistry 80 (8), 2654-2663, 2008 | 243 | 2008 |
Autonomous in situ analysis and real-time chemical detection using a backpack miniature mass spectrometer: concept, instrumentation development, and performance PI Hendricks, JK Dalgleish, JT Shelley, MA Kirleis, MT McNicholas, L Li, ... Analytical chemistry 86 (6), 2900-2908, 2014 | 192 | 2014 |
Mechanisms of real-time, proximal sample processing during ambient ionization mass spectrometry AR Venter, KA Douglass, JT Shelley, G Hasman Jr, E Honarvar Analytical chemistry 86 (1), 233-249, 2014 | 168 | 2014 |
Characterization of direct-current atmospheric-pressure discharges useful for ambient desorption/ionization mass spectrometry JT Shelley, JS Wiley, GCY Chan, GD Schilling, SJ Ray, GM Hieftje Journal of the American Society for Mass Spectrometry 20 (5), 837-844, 2011 | 166 | 2011 |
Elucidation of reaction mechanisms responsible for afterglow and reagent-ion formation in the low-temperature plasma probe ambient ionization source GCY Chan, JT Shelley, JS Wiley, C Engelhard, AU Jackson, RG Cooks, ... Analytical chemistry 83 (10), 3675-3686, 2011 | 158 | 2011 |
Ultrasensitive ambient mass spectrometric analysis with a pin-to-capillary flowing atmospheric-pressure afterglow source JT Shelley, JS Wiley, GM Hieftje Analytical chemistry 83 (14), 5741-5748, 2011 | 138 | 2011 |
Laser ablation coupled to a flowing atmospheric pressure afterglow for ambient mass spectral imaging JT Shelley, SJ Ray, GM Hieftje Analytical chemistry 80 (21), 8308-8313, 2008 | 136 | 2008 |
Handheld low-temperature plasma probe for portable “point-and-shoot” ambient ionization mass spectrometry JS Wiley, JT Shelley, RG Cooks Analytical chemistry 85 (14), 6545-6552, 2013 | 120 | 2013 |
Plasma-based ambient desorption/ionization mass spectrometry: state-of-the-art in qualitative and quantitative analysis A Albert, JT Shelley, C Engelhard Analytical and bioanalytical chemistry 406, 6111-6127, 2014 | 119 | 2014 |
Petrobactin is the Primary Siderophore Synthesized by Bacillus anthracis Str. Sterne under Conditions of Iron Starvation AT Koppisch, CC Browder, AL Moe, JT Shelley, BA Kinkel, LE Hersman, ... Biometals 18, 577-585, 2005 | 117 | 2005 |
Ionization matrix effects in plasma-based ambient mass spectrometry sources JT Shelley, GM Hieftje Journal of Analytical Atomic Spectrometry 25 (3), 345-350, 2010 | 105 | 2010 |
Methods and apparatus for ionization and desorption using a glow discharge GM Hieftje, SJ Ray, FJ Andrade, WC Wetzel, MR Webb, G Gamez, ... US Patent 7,893,408, 2011 | 96 | 2011 |
Laser ablation flowing atmospheric-pressure afterglow for ambient mass spectrometry GM Hieftje, FJ Andrade, SJ Ray, JT Shelley US Patent 8,207,494, 2012 | 93 | 2012 |
Ambient desorption/ionization mass spectrometry: evolution from rapid qualitative screening to accurate quantification tool JT Shelley, SP Badal, C Engelhard, H Hayen Analytical and bioanalytical chemistry 410, 4061-4076, 2018 | 79 | 2018 |
Spectroscopic plasma diagnostics on a low-temperature plasma probe for ambient mass spectrometry GCY Chan, JT Shelley, AU Jackson, JS Wiley, C Engelhard, RG Cooks, ... Journal of Analytical Atomic Spectrometry 26 (7), 1434-1444, 2011 | 77 | 2011 |
Understanding the flowing atmospheric-pressure afterglow (FAPA) ambient ionization source through optical means JT Shelley, GCY Chan, GM Hieftje Journal of the American Society for Mass Spectrometry 23 (2), 407-417, 2011 | 74 | 2011 |
Tunable ionization modes of a flowing atmospheric-pressure afterglow (FAPA) ambient ionization source SP Badal, SD Michalak, GCY Chan, Y You, JT Shelley Analytical chemistry 88 (7), 3494-3503, 2016 | 57 | 2016 |
Ambient mass spectrometry: Approaching the chemical analysis of things as they are JT Shelley, GM Hieftje Journal of Analytical Atomic Spectrometry 26 (11), 2153-2159, 2011 | 53 | 2011 |
Atmospheric-pressure solution-cathode glow discharge: A versatile ion source for atomic and molecular mass spectrometry AJ Schwartz, KL Williams, GM Hieftje, JT Shelley Analytica chimica acta 950, 119-128, 2017 | 48 | 2017 |