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Articles 1 - 4 of 4
Full-Text Articles in Social and Behavioral Sciences
Isomer-Specific Product Detection Of Cn Radical Reactions With Ethene And Propene By Tunable Vuv Photoionization Mass Spectrometry, Adam Trevitt, Fabien Goulay, Giovanni Meloni, David Osborn, Craig Taatjes, Stephen Leone
Isomer-Specific Product Detection Of Cn Radical Reactions With Ethene And Propene By Tunable Vuv Photoionization Mass Spectrometry, Adam Trevitt, Fabien Goulay, Giovanni Meloni, David Osborn, Craig Taatjes, Stephen Leone
Adam Trevitt
No abstract provided.
Differentiation Of Complex Lipid Isomers By Radical-Directed Dissociation Mass Spectrometry, Huong Pham, Tony Ly, Adam Trevitt, Todd Mitchell, Stephen Blanksby
Differentiation Of Complex Lipid Isomers By Radical-Directed Dissociation Mass Spectrometry, Huong Pham, Tony Ly, Adam Trevitt, Todd Mitchell, Stephen Blanksby
Adam Trevitt
Contemporary lipidomics protocols are dependent on conventional tandem mass spectrometry for lipid identification. This approach is extremely powerful for determining lipid class and identifying the number of carbons and the degree of unsaturation of any acyl-chain substituents. Such analyses are however, blind to isomeric variants arising from different carbon−carbon bonding motifs within these chains including double bond position, chain branching, and cyclic structures. This limitation arises from the fact that conventional, low energy collision-induced dissociation of even-electron lipid ions does not give rise to product ions from intrachain fragmentation of the fatty acyl moieties. To overcome this limitation, we have …
Cyclic Versus Linear Isomers Produced By Reaction Of The Methylidyne Radical (Ch) With Small Unsaturated Hydrocarbons, Adam Trevitt, Talitha Selby, Luc Vereecken, Fabien Goulay, Giovanni Meloni, David Osborn, Craig Taatjes, Stephen Leone
Cyclic Versus Linear Isomers Produced By Reaction Of The Methylidyne Radical (Ch) With Small Unsaturated Hydrocarbons, Adam Trevitt, Talitha Selby, Luc Vereecken, Fabien Goulay, Giovanni Meloni, David Osborn, Craig Taatjes, Stephen Leone
Adam Trevitt
No abstract provided.
Gas-Phase Reactions Of Aryl Radicals With 2-Butyne: An Experimental And Theoretical Investigation Employing The N-Methyl-Pyridinium-4-Yl Radical Cation, Adrian Lam, Cong Li, George Khairallah, Benjamin Kirk, Stephen Blanksby, Adam Trevitt, Uta Wille, Richard O'Hair, Gabriel Da Silva
Gas-Phase Reactions Of Aryl Radicals With 2-Butyne: An Experimental And Theoretical Investigation Employing The N-Methyl-Pyridinium-4-Yl Radical Cation, Adrian Lam, Cong Li, George Khairallah, Benjamin Kirk, Stephen Blanksby, Adam Trevitt, Uta Wille, Richard O'Hair, Gabriel Da Silva
Adam Trevitt
Aromatic radicals form in a variety of reacting gas-phase systems, where their molecular weight growth reactions with unsaturated hydrocarbons are of considerable importance. We have investigated the ion–molecule reaction of the aromatic distonic N-methyl-pyridinium-4-yl (NMP) radical cation with 2-butyne (CH3C≡CCH3) using ion trap mass spectrometry. Comparison is made to high-level ab initio energy surfaces for the reaction of NMP and for the neutral phenyl radical system. The NMP radical cation reacts rapidly with 2-butyne at ambient temperature, due to the apparent absence of any barrier. The activated vinyl radical adduct predominantly dissociates via loss of a H atom, with lesser …