Publications by authors named "Rob O'Brien"

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Quantitation of Select Terpenes/Terpenoids and Nicotine Using Gas Chromatography-Mass Spectrometry with High-Temperature Headspace Sampling.
Trinh-Don Nguyen, Seamus Riordan-Short, Thu-Thuy T Dang, Rob O'Brien, Matthew Noestheden

ACS Omega· March 2020

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The use of isoprene as a novel dopant in negative ion atmospheric pressure photoionization mass spectrometry coupled to high-performance liquid chromatography.
Faezeh Dousty, Rob O'Brien

Rapid Commun Mass Spectrom· June 2015

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Are clusters important in understanding the mechanisms in atmospheric pressure ionization? Part 1: Reagent ion generation and chemical control of ion populations.
Sonja Klee, Valerie Derpmann, Walter Wißdorf, Sebastian Klopotowski, Hendrik Kersten, Rob O'Brien

J Am Soc Mass Spectrom· August 2014

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A novel APPI-MS setup for in situ degradation product studies of atmospherically relevant compounds: capillary atmospheric pressure photo ionization (cAPPI).
Hendrik Kersten, Valerie Derpmann, Ian Barnes, Klaus J Brockmann, Rob O'Brien

J Am Soc Mass Spectrom· November 2011

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Evidence of neutral radical induced analyte ion transformations in APPI and near-VUV APLI.
Hendrik Kersten, Valerie Funcke, Matthias Lorenz, Klaus J Brockmann, Thorsten Benter, Rob O'Brien

J Am Soc Mass Spectrom· October 2009

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The mode of action of thidiazuron: auxins, indoleamines, and ion channels in the regeneration of Echinacea purpurea L.
Maxwell P A Jones, Jin Cao, Rob O'Brien, Susan J Murch, Praveen K Saxena

Plant Cell Rep· September 2007

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