Search Results - "Nash, John J"

Reactivity of the 3,4,5-Tridehydropyridinium Cation--An Aromatic σ,σ,σ-Triradical by Jankiewicz, Bartłomiej J, Reece, Jennifer N, Vinueza, Nelson R, Nash, John J, Kenttämaa, Hilkka I

“…Seeing the sites: Reactivity studies on the σ,σ,σ‐triradical 3,4,5‐tridehydropyridinium cation by using a Fourier transform ion cyclotron resonance mass…”
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Dehydration Pathways for Glucose and Cellobiose During Fast Pyrolysis by Easton, Mckay W, Nash, John J, Kenttämaa, Hilkka I

“…A full understanding of all possible elementary reactions applicable to cellulose fast pyrolysis is key to developing a comprehensive kinetic model for fast…”
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Management and Outcomes of Facial Paralysis from Intratemporal Blunt Trauma: A Systematic Review by Nash, John J., Friedland, David R., Boorsma, Keren J., Rhee, John S.

“…To systematically review the existing literature on outcomes and management of facial paralysis resulting from intratemporal blunt trauma. Systematic review of…”
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Relative Reactivities of Three Isomeric Aromatic Biradicals with a 1,4‐Biradical Topology Are Controlled by Polar Effects by Ma, Xin, Jin, Chunfen, Wang, Duanda, Nash, John J., Kenttämaa, Hilkka I.

“…Unexpectedly, the 5‐dehydroquinoline radical cation was formed in the gas phase from the 5‐iodo‐8‐nitroquinolinium cation upon ion‐trap collision‐activated…”
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Gas-Phase Reactivity of Quinoline-Based Singlet Oxenium Cations by Ma, Xin, Anyaeche, Ruth O., Feng, Erlu, Johnson, Erynn, Roller, Ethan, Rumley, Daniel J., Nash, John J., Kenttämaa, Hilkka I.

“…Isomeric quinolyloxenium cations were generated in the gas phase in an ion trap mass spectrometer to explore their reactions. The structures of some products…”
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Gas-Phase Reactivity of Phenylcarbyne Anions by Feng, Erlu, Yu, Zaikuan J., Jiang, Hanning, Ma, Xin, Nash, John J., Kenttämaa, Hilkka I.

“…Gas-phase reactivities of the phenylcarbyne anion and its four derivatives were studied using a linear quadrupole ion trap mass spectrometer. The phenylcarbyne…”
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Effects of the Distance between Radical Sites on the Reactivities of Aromatic Biradicals by Ding, Duanchen, Jiang, Hanning, Ma, Xin, Nash, John J, Kenttämaa, Hilkka I

“…Coupling of the radical sites in isomeric benzynes is known to hinder their radical reactivity. In order to determine how far apart the radical sites must be…”
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Measurement of the Proton Affinities of a Series of Mono- and Biradicals of Pyridine by Kumar, Rashmi, Li, Guannan, Gallardo, Vanessa A, Li, Anyin, Milton, Jacob, Nash, John J, Kenttämaa, Hilkka I

“…The proton affinity (PA) of a neutral molecule is defined as the negative of the enthalpy change for the gas-phase reaction between a proton and the neutral…”
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Studies of the Fragmentation Mechanisms of Deprotonated Lignin Model Compounds in Tandem Mass Spectrometry by Zhang, Jifa, Feng, Erlu, Li, Wanru, Sheng, Huaming, Milton, Jacob R, Easterling, Leah F, Nash, John J, Kenttämaa, Hilkka I

“…Unlabeled and deuterium-labeled dimeric lignin model compounds with β-O-4 linkages were evaporated and ionized using negative ion mode electrospray ionization,…”
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Spin‐Spin Coupling Controls the Gas‐Phase Reactivity of Aromatic σ‐Type Triradicals by Ding, Duanchen, Feng, Erlu, Kotha, Raghavendhar R., Chapman, Nathan C., Jiang, Hanning, Nash, John J., Kenttämaa, Hilkka I.

“…Examination of the reactions of σ‐type quinolinium‐based triradicals with cyclohexane in the gas phase demonstrated that the radical site that is the least…”
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Protonated Ground-State Singlet meta-Pyridynes React from an Excited Triplet State by Ma, Xin, Feng, Erlu, Jiang, Hanning, Boulos, Victoria M, Gao, Jinshan, Nash, John J, Kenttämaa, Hilkka I

“…The gaseous 2,6-didehydropyridinium cation and its derivatives transfer a proton to reagents for which the reaction for their singlet ground states is too…”
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Reactivity of an Aromatic σ,σ,σ-Triradical: The 2,4,6-Tridehydropyridinium Cation by Jankiewicz, Bartłomiej J, Adeuya, Anthony, Yurkovich, Michael J, Vinueza, Nelson R, Gardner, Samuel J. III, Zhou, Meng, Nash, John J, Kenttämaa, Hilkka I

“…Tri‐, bi‐, and monoradicals: The reactivity of a σ,σ,σ‐triradical, 2,4,6‐tridehydropyridinium cation, was compared with that of related mono‐ and biradicals in…”
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Spin–Spin Coupling Between Two meta‐Benzyne Moieties In a Quinolinium Tetraradical Cation Increases Their Reactivities by Kotha, Raghavendhar R., Yerabolu, Ravikiran, Ding, Duanchen, Szalwinski, Lucas, Ma, Xin, Wittrig, Ashley, Kong, John, Nash, John J., Kenttämaa, Hilkka I.

“…The reactivity of a carbon‐centered σ,σ,σ,σ‐type singlet‐ground‐state tetraradical containing two meta‐benzyne moieties was examined in the gas phase…”
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Quinoline Triradicals: A Reactivity Study by Kotha, Raghavendhar R, Yerabolu, Ravikiran, Aqueel, Mohammad Sabir, Riedeman, James S, Szalwinski, Lucas, Ding, Duanchen, Nash, John J, Kenttämaa, Hilkka I

“…The gas-phase reactivities of several protonated quinoline-based σ-type (carbon-centered) mono-, bi-, and triradicals toward dimethyl disulfide (DMDS) were…”
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(-)ESI/CAD MSn Procedure for Sequencing Lignin Oligomers Based on a Study of Synthetic Model Compounds with β-O-4 and 5-5 Linkages by Sheng, Huaming, Tang, Weijuan, Gao, Jinshan, Riedeman, James S, Li, Guannan, Jarrell, Tiffany M, Hurt, Matthew R, Yang, Linan, Murria, Priya, Ma, Xin, Nash, John J, Kenttämaa, Hilkka I

“…Seven synthesized G-lignin oligomer model compounds (ranging in size from dimers to an octamer) with 5-5 and/or β-O-4 linkages, and three synthesized S-lignin…”
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Spin‐Spin Coupling between the Biradical Moieties in Aromatic Tetraradicals Increases their Reactivity by Kotha, Raghavendhar R., Yerabolu, Ravikiran, Ding, Duanchen, Szalwinski, Lucas, Nash, John J., Kenttämaa, Hilkka I.

“…The reactivity of a carbon‐centered σ,σ,σ,σ‐type singlet tetraradical containing two meta‐benzyne moieties, the 2,4,5,7‐tetradehydroquinolinium cation, was…”
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Medical Malpractice and Corticosteroid Use by Nash, John J., Nash, Amanda G., Leach, Matthew E., Poetker, David M.

“…Objective. To analyze malpractice litigation trends related to the administration of corticosteroids and the reported complications. Study Design…”
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An Oxygen‐peri‐Bridged Quinolinium Cation and Its Monoradical Counterpart by Kotha, Raghavendhar R., Nash, John J., Kenttämaa, Hilkka I.

“…Generation of a σ,σ,π‐triradical was attempted by collision‐activated dissociation (CAD) of two iodine atoms and an NO· radical from…”
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Substituent Effects on the Reactivity of the 2,4,6‐Tridehydropyridinium Cation, an Aromatic σ,σ,σ‐Triradical by Gao, Jinshan, Jankiewicz, Bartłomiej J., Sheng, Huaming, Kirkpatrick, Lindsey, Ma, Xin, Nash, John J., Kenttämaa, Hilkka I.

“…2,4,6‐Tridehydropyridinium cation (7) undergoes three consecutive atom or atom group ions from reagent molecules in the gas phase. By placing a…”
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Fast Pyrolysis of 13C‑Labeled Cellobioses: Gaining Insights into the Mechanisms of Fast Pyrolysis of Carbohydrates by Degenstein, John C, Murria, Priya, Easton, Mckay, Sheng, Huaming, Hurt, Matt, Dow, Alex R, Gao, Jinshan, Nash, John J, Agrawal, Rakesh, Delgass, W. Nicholas, Ribeiro, Fabio H, Kenttämaa, Hilkka I

“…A fast-pyrolysis probe/tandem mass spectrometer combination was utilized to determine the initial fast-pyrolysis products for four different selectively…”
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