Search Results - "JARRELL, Tiffany M"

Integration of a Multichannel Pulsed-Valve Inlet System to a Linear Quadrupole Ion Trap Mass Spectrometer for the Rapid Consecutive Introduction of Nine Reagents for Diagnostic Ion/Molecule Reactions by Kong, John Y, Hilger, Ryan T, Jin, Chunfen, Yerabolu, Ravikiran, Zimmerman, James R, Replogle, Randall W, Jarrell, Tiffany M, Easterling, Leah, Kumar, Rashmi, Kenttämaa, Hilkka I

“…Gas-phase ion/molecule reactions have been used extensively for the structural elucidation of organic compounds in tandem mass spectrometry. Reagents for…”
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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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Differentiating Isomeric Deprotonated Glucuronide Drug Metabolites via Ion/Molecule Reactions in Tandem Mass Spectrometry by Kong, John Y, Yu, Zaikuan, Easton, Mckay W, Niyonsaba, Edouard, Ma, Xin, Yerabolu, Ravikiran, Sheng, Huaming, Jarrell, Tiffany M, Zhang, Zhoupeng, Ghosh, Arun K, Kenttämaa, Hilkka I

“…Isomeric O- and N-glucuronides are common drug metabolites produced in phase II of drug metabolism. Distinguishing these isomers by using common analytical…”
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High-Performance Liquid Chromatography/High-Resolution Multiple Stage Tandem Mass Spectrometry Using Negative-Ion-Mode Hydroxide-Doped Electrospray Ionization for the Characterization of Lignin Degradation Products by Owen, Benjamin C, Haupert, Laura J, Jarrell, Tiffany M, Marcum, Christopher L, Parsell, Trenton H, Abu-Omar, Mahdi M, Bozell, Joseph J, Black, Stuart K, Kenttämaa, Hilkka I

“…In the search for a replacement for fossil fuel and the valuable chemicals currently obtained from crude oil, lignocellulosic biomass has become a promising…”
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Elucidation of structural information achievable for asphaltenes via collision-activated dissociation of their molecular ions in MSn experiments: A model compound study by Jarrell, Tiffany M., Jin, Chunfen, Riedeman, James S., Owen, Benjamin C., Tan, Xiaoli, Scherer, Alexander, Tykwinski, Rik R., Gray, Murray R., Slater, Peter, Kenttämaa, Hilkka I.

“…•Methodology will facilitate the elucidation of the structures of asphaltenes.•Unique fragmentation shown for island and archipelago…”
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Absolute configuration assignment of (+)‐fluralaner using vibrational circular dichroism by Kong, John, Joyce, Leo A., Liu, Jinchu, Jarrell, Tiffany M., Culberson, J. Chris, Sherer, Edward C.

“…The absolute configurations of the separated enantiomers of fluralaner, a racemic animal health product used to prevent fleas and ticks, have been assigned…”
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Laser-Induced Acoustic Desorption/Electron Ionization of Amino Acids and Small Peptides by Jarrell, Tiffany M., Owen, Benjamin C., Riedeman, James S., Prentice, Boone M., Pulliam, Chris J., Max, Joann, Kenttämaa, Hilkka I.

“…Laser-induced acoustic desorption (LIAD) allows for desorption of neutral nonvolatile compounds independent of their volatility or thermal stability. Many…”
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A Fundamental Tandem Mass Spectrometry Study of the Collision-Activated Dissociation of Small Deprotonated Molecules Related to Lignin by Marcum, Christopher L., Jarrell, Tiffany M., Zhu, Hanyu, Owen, Benjamin C., Haupert, Laura J., Easton, Mckay, Hosseinaei, Omid, Bozell, Joseph, Nash, John J., Kenttämaa, Hilkka I.

“…The collision‐activated fragmentation pathways and reaction mechanisms of 34 deprotonated model compounds representative of lignin degradation products were…”
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(−)ESI/CAD MS n 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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A Differentially Pumped Dual Linear Quadrupole Ion Trap (DLQIT) Mass Spectrometer: A Mass Spectrometer Capable of MSn Experiments Free From Interfering Reactions by Owen, Benjamin C, Jarrell, Tiffany M, Schwartz, Jae C, Oglesbee, Rob, Carlsen, Mark, Archibold, Enada F, Kenttämaa, Hilkka I

“…A novel differentially pumped dual linear quadrupole ion trap (DLQIT) mass spectrometer was designed and built to facilitate tandem MS experiments free from…”
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A differentially pumped dual linear quadrupole ion trap (DLQIT) mass spectrometer: a mass spectrometer capable of MS(n) experiments free from interfering reactions by Owen, Benjamin C, Jarrell, Tiffany M, Schwartz, Jae C, Oglesbee, Rob, Carlsen, Mark, Archibold, Enada F, Kenttämaa, Hilkka I

“…A novel differentially pumped dual linear quadrupole ion trap (DLQIT) mass spectrometer was designed and built to facilitate tandem MS experiments free from…”
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Characterization of model compounds of processed lignin and the lignome by using atmospheric pressure ionization tandem mass spectrometry by Haupert, Laura J., Owen, Benjamin C., Marcum, Christopher L., Jarrell, Tiffany M., Pulliam, Christopher J., Amundson, Lucas M., Narra, Padmaja, Aqueel, Mohammad Sabir, Parsell, Trenton H., Abu-Omar, Mahdi M., Kenttämaa, Hilkka I.

“…► Negative ion mass spectrometry for the characterization of degraded lignin. ► (−) ESI with NaOH dopant ionizes lignin model compounds without fragmentation…”
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Erratum to: Identification of the Phenol Functionality in Deprotonated Monomeric and Dimeric Lignin Degradation Products via Tandem Mass Spectrometry Based on Ion–Molecule Reactions with Diethylmethoxyborane by Zhu, Hanyu, Jarrell, Tiffany M., Louden, Nathaniel, Max, Joann P., Marcum, Christopher L., Luo, Hao, Riedeman, James S., Abu-Omar, Mahdi M., Kenttämaa, Hilkka I.

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Losses of CO and CO2 upon collision-activated dissociation of substituted 2-methoxyphenoxides after methyl radical loss by Marcum, Christopher L., Riedeman, James S., Jarrell, Tiffany M., Nash, John J., Kenttämaa, Hilkka I.

“…Some deprotonated, substituted 2-methoxyphenols fragment by methyl radical loss followed by competing losses of CO and CO2 upon collisional activation in…”
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Losses of CO and CO2 upon collision-activated dissociation of substituted 2-methoxyphenoxides after methyl radical loss by Marcum, Christopher L., Riedeman, James S., Jarrell, Tiffany M., Nash, John J., Kenttämaa, Hilkka I.

“…Some deprotonated, substituted 2-methoxyphenols fragment by methyl radical loss followed by competing losses of CO and CO2 upon collisional activation in…”
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Ion/molecule reactions of dimethylamine with protonated analytes facilitate the identification of tertiary N-oxide functionalities in a linear quadrupole ion trap mass spectrometer by Riedeman, James S., Jarrell, Tiffany M., Jin, Chunfen, Sheng, Huaming, Yerabolu, Ravikiran, Kong, John, Kenttämaa, Hilkka I.

“…[Display omitted] •Functional-group selective ion-molecule reaction.•Dimethyl amine reagent is used to identify protonated tertiary N-oxide…”
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Gas-phase reactions of a novel chemical ionization reagent, ClMn2+, with polar and nonpolar analytes in a linear quadrupole ion trap by Jarrell, Tiffany M., Riedeman, James S., Kenttämaa, Hilkka

“…[Display omitted] •ClMn2+ chemical ionization reagent ion efficiently ionizes various types of analytes, both polar and nonpolar, to exclusively form ClMn+…”
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Ion/molecule reactions of dimethylamine with protonated analytes facilitate the identification of tertiary N-oxide functionalities in a linear quadrupole ion trap mass spectrometer by Riedeman, James S., Jarrell, Tiffany M., Jin, Chunfen, Sheng, Huaming, Yerabolu, Ravikiran, Kong, John, Kenttämaa, Hilkka I.

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Gas-phase reactions of a novel chemical ionization reagent, ClMn 2 + , with polar and nonpolar analytes in a linear quadrupole ion trap by Jarrell, Tiffany M., Riedeman, James S., Kenttämaa, Hilkka

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Identification of the Phenol Functionality in Deprotonated Monomeric and Dimeric Lignin Degradation Products via Tandem Mass Spectrometry Based on Ion–Molecule Reactions with Diethylmethoxyborane by Zhu, Hanyu, Max, Joann P., Marcum, Christopher L., Luo, Hao, Abu-Omar, Mahdi M., Kenttämaa, Hilkka I.

“…Conversion of lignin into smaller molecules provides a promising alternate and sustainable source for the valuable chemicals currently derived from crude oil…”
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