Browsing Chemistry and Biochemistry by Author "Gresham, Garold L."
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Elucidation of the collision induced dissociation pathways of water and alcohol coordinated complexes containing the uranyl cation
Van Stipdonk, Michael J.; Anbalagan, Victor; Chien, Winnie; Gresham, Garold L.; Groenewold, Gary S.; Hanna, Dorothy A. (Springer, 2003-11-01)Multiple-stage tandem mass spectrometry was used to characterize the dissociation pathways for complexes composed of (1) the uranyl ion, (2) nitrate or hydroxide, and (3) water or alcohol. The complex ions were derived ... -
Generation of gas-phase VO2+, VOOH+, and VO2+-nitrile complex ions by electrospray ionization and collision-induced dissociation
Parsons, Zack; Leavitt, Christopher M.; Duong, Thanh; Groenewold, Gary S.; Gresham, Garold L.; Van Stipdonk, Michael J. (American Chemical Society, 2006-10-19)Cationic metal species normally function as Lewis acids, accepting electron density from bound electron-donating ligands, but they can be induced to function as electron donors relative to dioxygen by careful control of ... -
Infrared multiple photon dissociation spectroscopy of group I and group II metal complexes with Boc-hydroxylamine
Dain, Ryan P.; Gresham, Garold L.; Groenewold, Gary S.; Steill, Jeffrey D.; Oomens, Jos; Van Stipdonk, Michael J. (WILEY-BLACKWELL, 2013-08-30)RATIONALE Hydroxamates are essential growth factors for some microbes, acting primarily as siderophores that solubilize iron for transport into a cell. Here we determined the intrinsic structure of 1:1 complexes between ... -
Infrared multiple-photon dissociation spectroscopy of group II metal complexes with salicylate
Dain, Ryan P.; Gresham, Garold L.; Groenewold, Gary S.; Steill, Jeffrey D.; Oomens, Jos; Van Stipdonk, Michael J. (John Wiley and Sons, 2011-07-15)Ion trap tandem mass spectrometry with collision-induced dissociation, and the combination of infrared multiple-photon dissociation (IRMPD) spectroscopy and density functional theory (DFT) calculations, were used to ... -
Intrinsic hydration of monopositive uranyl hydroxide, nitrate, and acetate cations
Chien, Winnie; Anbalagan, Victor; Zandler, Melvin E.; Van Stipdonk, Michael J.; Hanna, Dorothy A.; Gresham, Garold L.; Groenewold, Gary S. (Springer, 2004-06-01)The intrinsic hydration of three monopositive uranyl-anion complexes (UO(2)A)(+) (where A = acetate, nitrate, or hydroxide) was investigated using ion-trap mass spectrometry (IT-MS). The relative rates for the formation ... -
Investigations of acidity and nucleophilicity of diphenyldithiophosphinate ligands using theory and gas-phase dissociation reactions
Leavitt, Christopher M.; Gresham, Garold L.; Benson, Michael T.; Gaumet, Jean-Jacques; Peterman, Dean R.; Klaehn, John R.; Moser, Megan; Aubriet, Frederic; Van Stipdonk, Michael J.; Groenewold, Gary S. (American Chemical Society, 2008-04-21)Diphenyldithiophosphinate (DTP) ligands modified with electron-withdrawing trifluoromethyl (TFM) substitutents are of high interest because they have demonstrated potential for exceptional separation of Am (3+) from ... -
Production and collision induced dissociation of gas-phase, water and alcohol coordinated uranyl complexes containing halide or perchlorate anions
Chien, Wen-Fang Winnie; Van Stipdonk, Michael J.; Groenewold, Gary S.; Gresham, Garold L.; Anbalagan, Victor (Wichita State University. Graduate School., 2005-04-22) -
Production and collision-induced dissociation of gas-phase, water- and alcohol-coordinated uranyl complexes containing halide or perchlorate anions
Anbalagan, Victor; Chien, Winnie; Gresham, Garold L.; Groenewold, Gary S.; Van Stipdonk, Michael J. (John Wiley and Sons, 2004-01-01)Electrospray ionization was used to generate mono-positive gas-phase complexes of the general formula [UO2A(S)n]+ where A = OH, Cl, Br, I or ClO4, S = H2O, CH3OH or CH3CH2OH, and n = 1-3. The multiple-stage dissociation ...