Selected Publications
2021
Parker, K. W., Geethika, Canty, Allan, Ryzhov, Victor, O'Hair, Richard A.J., Modeling Metal-Catalyzed Polyethylene Depolymerization: [(phen)Pd(X)]+ (X = H and CH3) Catalyze Decomposition of Hexane into a Mixture of Alkenes via a Complex Reaction Network. Organometallics 2021, (40), 857-868.
Parker, K.; Pho, V.; O’Hair, R. A., Ryzhov, V., Mechanism of Deoxygenation and Cracking of Fatty Acids by Gas-Phase Cationic Complexes of Ni, Pd, and Pt. Reactions 2021, 2 (2), 102-114.
Parker, K., Weragoda, G. K., Mohr, A., Canty, A. J.; O’Hair, R. A., Ryzhov, V., Cracking and Dehydrogenation of Cyclohexane by [(phen) M (X)]+(M= Ni, Pd, Pt; X= H, CH3) in the Gas Phase. Organometallics 2021.
Lau, J. K.-C.; Esuon, F., Berden, G., Oomens, J., Hopkinson, A. C., Ryzhov, V., Siu, K. M., Generation, Characterization, and Dissociation of Radical Cations Derived from Prolyl-glycyl-glycine. The Journal of Physical Chemistry B 2021.
2020
Parker, K. Weragoda, G. K. Canty, A. J. Polyzos, A. Ryzhov, V.; O’Hair, R. A. J., A Two-Step Catalytic Cycle for the Acceptorless Dehydrogenation of Ethane by Group 10 Metal Complexes: Role of the Metal in Reactivity and Selectivity. Organometallics 2020, 39 (22), 4027-4036.
Parker, K. Weragoda, G. K. Pho, V. Canty, A. J. Polyzos, A. O'Hair, R. A. J.; Ryzhov, V., Gas-Phase Models for the Nickel- and Palladium-Catalyzed Deoxygenation of Fatty Acids. 2020, 12 (21), 5476-5485.
2019
Piacentino, E. L. Parker, K. Gilbert, T. M. O'Hair, R. A.; Ryzhov, V. J. C. A. E. J., Role of Ligand in the Selective Production of Hydrogen from Formic Acid Catalysed by the Mononuclear Cationic Zinc Complexes [(L) Zn (H)]+(L= tpy, phen, and bpy). 2019, 25 (42), 9959-9966.
Piacentino, E. L. Rodriguez, E. Parker, K. Gilbert, T. M. O'Hair, R. A.; Ryzhov, V. J. J. o. M. S., Gas‐phase functionalized carbon‐carbon coupling reactions catalyzed by Ni (II) complexes. 2019, 54 (6), 520-526.
2017
Lesslie, M.; Yang, Y.; Canty, A. J.; Piacentino, E.; Berthias, F.; Maître, P.; Ryzhov, V. and O'Hair, R. A. J. "Ligand‐induced decarbonylation in diphosphine‐ligated palladium acetates [CH3CO2Pd((PR2)2CH2)]+ (R = Me and Ph)", Chem. Comm., 2017, DOI: 10.1039/C7CC08944A
Lesslie, M.; Lawler, J. T.; Dang, A.; Korn, J.A.; Bím, D.; Steinmetz, V.; Maître, P.; Tureček, F. and Ryzhov, V. "Cytosine Radical Cations: A Gas‐Phase Study Combining IRMPD Spectroscopy, UVPD Spectroscopy, Ion–Molecule Reactions, and Theoretical Calculations", ChemPhysChem, 2017, 18, 1293–1301, DOI: 10.1002/cphc.201700281
2016
Lesslie, M.; Lau, J. K.‐C.; Lawler, J. T.; Siu, K. W. M.; Steinmetz, V.; Maître, P.; Hopkinson, A. C. and Ryzhov, V. "Cysteine Radical/Metal Ion Adducts: A Gas‐Phase Structural Elucidation and Reactivity Study." ChemPlusChem., 2016, 81, 444–452. DOI: 10.1002/cplu.201500558
Lesslie, M.; Lau, J. K.‐C.; Lawler, J. T.; Siu, K. W. M.; Oomens, J.; Berden, G.; Hopkinson, A. C. and Ryzhov, V. "Alkali‐Metal‐Ion‐Assisted Hydrogen Atom Transfer in the Homocysteine Radical." Chem. Eur. J., 2016, 22, 2243–2246. DOI: 10.1002/chem.201504631
Osburn, S.; Chan, B.; Ryzhov, V.; Radom, L. and O'Hair, R. A. J. "Role of Hydrogen Bonding on the Reactivity of Thiyl Radicals: A Mass Spectrometric and Computational Study Using the Distonic Radical Ion Approach." J. Phys. Chem. A, 2016, 120, 8184–8189.
2015
Lesslie, M.; Osburn, S.; van Stipdonk, M. J. and Ryzhov, V. "Gas‐phase tyrosine‐to‐cysteine radical migration in model systems." Eur. J. Mass Spectrom., 2015, 21, 589–597.
Lesslie, M.; Piatkivskyi, A.; Lawler, J.; Helgren, T.; Osburn, S.; O'Hair, R. A. J.; and Ryzhov, V. "The Effects of Intramolecular Hydrogen Bonding on the Reactivity of Phenoxyl Radicals in Model Systems." Int. J. Mass Spectrom., 2015, 390, 124–131. doi:10.1016/j.ijms.2015.06.008.
Lesslie, M.; Meyer, J. A.; Osburn, S.; Otun, S. and Ryzhov, V. "The formation of resonance‐stabilized sulfur‐based radical cations and their gas‐phase reactivity." Int. J. Mass Spectrom., 2015, 378, 312–321. doi:10.1016/j.ijms.2014.09.020.
Piatkivskyi, A.; Happ, M.; Lau, J. K.‐C.; Siu, K. W. M.; Hopkinson, A. C. and Ryzhov, V. "Investigation of fragmentation of tryptophan nitrogen radical cation", J. Amer. Soc. Mass Spectrom., 2015, 26, 1388–1393. doi:10.1007/s13361‐015‐1134‐x
2014
Mishra, E., Worlinsky, J. L., Brückner, C. and Ryzhov, V. "MS/MS Fragmentation Behavior Study of meso‐Phenylporphyrinoids Containing Non‐pyrrolic Heterocycles and meso‐Thienyl‐substituted Porphyrins". J. Am. Soc. Mass Spectrom., 2014, 25, 18–29.
Piatkivskyi, A.; Pyatkivskyy, Y.; Hurt, M. and Ryzhov, V. "Utilization of gas‐phase ion–molecule reactions for differentiation between phospho‐ and sulfocarbohydrates", Eur. J. Mass Spectrom., 2014, 20, 187–183.
Piatkivskyi, A.; Pyatkivskyy, Y. and Ryzhov, V. "Letter: Evaluation of various silicon and boron‐containing compounds for the detection of phosphorylation in peptides via gas‐phase ion–molecule reactions", Eur. J. Mass Spectrom., 2014, 20, 337–344.
2013
Osburn, S.; Burgie, T.; Berden, G.; Oomens, J.; O'Hair, R. A. J.; Ryzhov, V., "Structure and Reactivity of Homocysteine Radical Cation in the Gas Phase Studied by Ion–Molecule Reactions and Infrared Multiple Photon Dissociation". J. Phys. Chem. A, 2013, 117, 1144–1150.
Osburn, S. and Ryzhov, V., "Ion–Molecule Reactions: Analytical and Structural Tool." Anal. Chem., 2013, 85, 769–778. Invited Review.
Piatkivskyi, A.; Osburn, S., Jaderberg, K.; Grzetic, H.; Steill, J. D.; Oomens, J.; Zhao, J.; Lau, J. K.‐C.; Verkerk, U. H.; Hopkinson, A. C.; Siu, K. W. M. and Ryzhov, V. "Structure and Reactivity of the Distonic and Aromatic Radical Cations of Tryptophan", J. Am. Soc. Mass Spectrom., 2013, 24, 513–523.
Osburn, S.; Berden, G.; Oomens, J.; Gulyuz, K.; Polfer, N. C.; O'Hair, R. A. J.; Ryzhov, V. "Structure and Reactivity of the Glutathione Radical Cation: Radical Rearrangement from the Cysteine Sulfur to the Glutamic Acid α‐Carbon Atom". Chem. Plus Chem. 2013, 78, 970–978.
2012
Osburn, S., O'Hair, R. A. J. and Ryzhov, V. "Gas‐phase Reactivity of Sulfur‐based Radical Ions of Cysteine Derivatives and Small Peptides". Int. J. Mass Spectrom., 2012, 316–318, 133–139.
Mishra, E., Worlinsky, J. L., Gilbert, T. M., Brückner, C. and Ryzhov, V. "Axial Imidazole Binding Strengths in Porphyrinoid Cobalt(III) Complexes as Studied by Tandem Mass Spectrometry". J. Am. Soc. Mass Spectrom., 2012, 23, 1135–1146.
Osburn, S.; Berden, G.; Oomens, J.; O'Hair, R. A. J.; Ryzhov, V., "Studying S‐to‐aC Radical Migration in the Radical Cations of Gly–Cys and Cys–Gly". J. Am. Soc. Mass Spectrom., 2012, 23, 1019–1023.
2011
Osburn, S., Steill, J. D., Oomens, J., O'Hair, R. A. J. Van Stipdonk, M. and Ryzhov, V. "Structure and Reactivity of the Cysteine Methyl Ester Radical Cation" Chem. Eur. J., 2011, 17, 873–879.
Zickus, M. A., Koepke, S., Hao, C., Chong, K. and Ryzhov, V. "The thermochemical studies of protonated amine–crown ether complexes: Extension of the kinetic method" Int. J. Mass Spectrom., 2011, 312, 173–178.
Osburn, S., Berden, G., Oomens, J., O'Hair, R. A. J. and Ryzhov, V. "Structure and reactivity of the N‐acetyl cysteine radical cation and anion: Does radical migration occur?" J. Am. Soc. Mass Spectrom., 2011, 22, 1794–1803.
Osburn, S., O'Hair, R. A. J., Black, S. M. and Ryzhov, V. "Post‐translational modification in the gas phase: Mechanism of cysteine S‐nitrosylation via ion–molecule reactions". Rapid Commun. Masss Spectrom., 2011, 25, 3216–3222.
