Publications by authors named "Nick Polfer"

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Structure and Reactivity of the Glutathione Radical Cation: Radical Rearrangement from the Cysteine Sulfur to the Glutamic Acid α-Carbon Atom.
Sandra Osburn, Giel Berden, Jos Oomens, Kerim Gulyuz, Nick C Polfer

Chempluschem· September 2013

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Disfavoring macrocycle b fragments by constraining torsional freedom: the "twisted" case of QWFGLM b6.
Marcus Tirado, Jochem Rutters, Xian Chen, Alfred Yeung, Jan van Maarseveen, Nick C Polfer

J Am Soc Mass Spectrom· March 2012

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Periodicity of monoisotopic mass isomers and isobars in proteomics.
Long Yu, Yan-Mei Xiong, Nick C Polfer

Anal Chem· October 2011

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Cyclic peptide as reference system for b ion structural analysis in the gas phase.
Xian Chen, Marcus Tirado, Jeffrey D Steill, Jos Oomens, Nick C Polfer

J Mass Spectrom· October 2011

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Diagnostic NH and OH vibrations for oxazolone and diketopiperazine structures: b2 from protonated triglycine.
Da Wang, Kerim Gulyuz, Corey N Stedwell, Nick C Polfer

J Am Soc Mass Spectrom· July 2011

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Infrared multiple photon dissociation spectroscopy of trapped ions.
Nick C Polfer

Chem Soc Rev· May 2011

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On the relevance of peptide sequence permutations in shotgun proteomics studies.
Long Yu, Yanglan Tan, Yihsuan Tsai, David R Goodlett, Nick C Polfer

J Proteome Res· May 2011

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Hybrid quadrupole mass filter∕quadrupole ion trap∕time-of-flight-mass spectrometer for infrared multiple photon dissociation spectroscopy of mass-selected ions.
Kerim Gulyuz, Corey N Stedwell, Da Wang, Nick C Polfer

Rev Sci Instrum· May 2011

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Oxazolone versus macrocycle structures for Leu-enkephalin b2-b4: insights from infrared multiple-photon dissociation spectroscopy and gas-phase hydrogen/deuterium exchange.
Xian Chen, Jeffrey D Steill, Jos Oomens, Nick C Polfer

J Am Soc Mass Spectrom· August 2010

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Glycine and its hydrated complexes: a matrix isolation infrared study.
Clifton Espinoza, Jan Szczepanski, Martin Vala, Nick C Polfer

J Phys Chem A· May 2010

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Negative electron transfer dissociation of deprotonated phosphopeptide anions: choice of radical cation reagent and competition between electron and proton transfer.
Malwina Huzarska, Israel Ugalde, Desmond A Kaplan, Ralf Hartmer, Michael L Easterling, Nick C Polfer

Anal Chem· April 2010

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Vibrational signatures of metal-chelated monosaccharide epimers: gas-phase infrared spectroscopy of Rb+-tagged glucuronic and iduronic acid.
Emilio B Cagmat, Jan Szczepanski, Wright L Pearson, David H Powell, John R Eyler, Nick C Polfer

Phys Chem Chem Phys· April 2010

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Amide-I and -II vibrations of the cyclic beta-sheet model peptide gramicidin S in the gas phase.
Peter Kupser, Kevin Pagel, Jos Oomens, Nick Polfer, Beate Koksch

J Am Chem Soc· February 2010

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Effect of peptide fragment size on the propensity of cyclization in collision-induced dissociation: oligoglycine b(2)-b(8).
Xian Chen, Long Yu, Jeffrey D Steill, Jos Oomens, Nick C Polfer

J Am Chem Soc· December 2009

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Peptide length, steric effects, and ion solvation govern zwitterion stabilization in barium-chelated di- and tripeptides.
Robert C Dunbar, Jeffrey D Steill, Nick C Polfer, Jos Oomens

J Phys Chem B· August 2009

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Vibrational spectroscopy of bare and solvated ionic complexes of biological relevance.
Nick C Polfer, Jos Oomens

Mass Spectrom Rev· June 2009

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Dimeric complexes of tryptophan with M2+ metal ions.
Robert C Dunbar, Jeffrey D Steill, Nick C Polfer, Jos Oomens

J Phys Chem A· February 2009

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Infrared spectroscopy of [XFeC24H12]+ (X = C5H5, C5(CH3)5) complexes in the gas phase: experimental and computational studies of astrophysical interest.
Aude Simon, Christine Joblin, Nick Polfer, Jos Oomens

J Phys Chem A· September 2008

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Infrared spectroscopy of dioxouranium(V) complexes with solvent molecules: effect of reduction.
Gary S Groenewold, Michael J Van Stipdonk, Wibe A de Jong, Jos Oomens, Garold L Gresham, Nick Polfer

Chemphyschem· June 2008

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Alkali metal complexes of the dipeptides PheAla and AlaPhe: IRMPD spectroscopy.
Nick C Polfer, Jos Oomens, Robert C Dunbar

Chemphyschem· March 2008

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On the dynamics of fragment isomerization in collision-induced dissociation of peptides.
Nick C Polfer, Brian C Bohrer, Manolo D Plasencia, Béla Paizs, David E Clemmer

J Phys Chem A· February 2008

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Infrared spectroscopy of discrete uranyl anion complexes.
Gary S Groenewold, Anita K Gianotto, Michael E McIlwain, Michael J Van Stipdonk, Michael Kullman, Nick Polfer

J Phys Chem A· January 2008

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Infrared spectroscopy of arginine cation complexes: direct observation of gas-phase zwitterions.
Matthew W Forbes, Matthew F Bush, Nick C Polfer, Jos Oomens, Robert C Dunbar

J Phys Chem A· November 2007

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Gas-phase zwitterion stabilization by a metal dication.
Robert C Dunbar, Nick C Polfer, Jos Oomens

J Am Chem Soc· November 2007

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Reaction products in mass spectrometry elucidated with infrared spectroscopy.
Nick C Polfer, Jos Oomens

Phys Chem Chem Phys· August 2007

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