Nick C Polfer

Summary

Affiliation: FOM-Institute for Plasma Physics
Country: The Netherlands

Publications

  1. ncbi request reprint Infrared fingerprint spectroscopy and theoretical studies of potassium ion tagged amino acids and peptides in the gas phase
    Nick C Polfer
    FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Am Chem Soc 127:8571-9. 2005
  2. ncbi request reprint Differentiation of isomers by wavelength-tunable infrared multiple-photon dissociation-mass spectrometry: application to glucose-containing disaccharides
    Nick C Polfer
    FOM Institute for Plasma Physics, Rijnhuizen, Molecular Dynamics Group, MN Nieuwegein, The Netherlands
    Anal Chem 78:670-9. 2006
  3. ncbi request reprint Observation of zwitterion formation in the gas-phase H/D-exchange with CH(3)OD: solution-phase structures in the gas phase
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Nieuwegein, The Netherlands
    J Am Soc Mass Spectrom 18:512-6. 2007
  4. ncbi request reprint Infrared spectroscopy and theoretical studies on gas-phase protonated leu-enkephalin and its fragments: direct experimental evidence for the mobile proton
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Am Chem Soc 129:5887-97. 2007
  5. ncbi request reprint Stepwise solvation of an amino acid: the appearance of zwitterionic structures
    Martine N Blom
    FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Phys Chem A 111:7309-16. 2007
  6. ncbi request reprint Infrared spectroscopy of phenylalanine Ag(I) and Zn(II) complexes in the gas phase
    Nick C Polfer
    FOM Institute for Plasmaphysics Rijnhuizen, MN Nieuwegein, The Netherlands
    J Am Chem Soc 128:517-25. 2006
  7. ncbi request reprint IRMPD spectroscopy of metal-ion/tryptophan complexes
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, 3439MN, Nieuwegein, The Netherlands
    Phys Chem Chem Phys 8:2744-51. 2006
  8. ncbi request reprint Reaction products in mass spectrometry elucidated with infrared spectroscopy
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, 3439 MN Nieuwegein, The Netherlands
    Phys Chem Chem Phys 9:3804-17. 2007
  9. ncbi request reprint Peptide length, steric effects, and ion solvation govern zwitterion stabilization in barium-chelated di- and tripeptides
    Robert C Dunbar
    Chemistry Department, Case Western Reserve University, Cleveland, Ohio 44106, FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands, Chemistry Department, University of Florida, Gainesville, Florida 32611, and University of Amsterdam, Nieuwe Achtergracht 166, 1018WV Amsterdam, The Netherlands
    J Phys Chem B 113:10552-4. 2009
  10. pmc On the dynamics of fragment isomerization in collision-induced dissociation of peptides
    Nick C Polfer
    Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA
    J Phys Chem A 112:1286-93. 2008

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Infrared fingerprint spectroscopy and theoretical studies of potassium ion tagged amino acids and peptides in the gas phase
    Nick C Polfer
    FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Am Chem Soc 127:8571-9. 2005
    ....
  2. ncbi request reprint Differentiation of isomers by wavelength-tunable infrared multiple-photon dissociation-mass spectrometry: application to glucose-containing disaccharides
    Nick C Polfer
    FOM Institute for Plasma Physics, Rijnhuizen, Molecular Dynamics Group, MN Nieuwegein, The Netherlands
    Anal Chem 78:670-9. 2006
    ..Given the multidimensionality of variable-wavelength IR-MPD of lithiated disaccharides, it is expected that this approach can overcome some of the current limitations in isomer differentiation...
  3. ncbi request reprint Observation of zwitterion formation in the gas-phase H/D-exchange with CH(3)OD: solution-phase structures in the gas phase
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Nieuwegein, The Netherlands
    J Am Soc Mass Spectrom 18:512-6. 2007
    ..Moreover, this result shows the possibility of forming solution-phase structures that are thermodynamically disfavored in the gas phase, thus opening a new area of study...
  4. ncbi request reprint Infrared spectroscopy and theoretical studies on gas-phase protonated leu-enkephalin and its fragments: direct experimental evidence for the mobile proton
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Am Chem Soc 129:5887-97. 2007
    ..G.; Young, A. B.; Bleiholder, B.; Suhai, S.; Paizs, B. J. Am. Chem. Soc. 2006, 128, 10364-10365) that result in scrambling of the amino acid sequence upon CID...
  5. ncbi request reprint Stepwise solvation of an amino acid: the appearance of zwitterionic structures
    Martine N Blom
    FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands
    J Phys Chem A 111:7309-16. 2007
    ....
  6. ncbi request reprint Infrared spectroscopy of phenylalanine Ag(I) and Zn(II) complexes in the gas phase
    Nick C Polfer
    FOM Institute for Plasmaphysics Rijnhuizen, MN Nieuwegein, The Netherlands
    J Am Chem Soc 128:517-25. 2006
    ....
  7. ncbi request reprint IRMPD spectroscopy of metal-ion/tryptophan complexes
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, 3439MN, Nieuwegein, The Netherlands
    Phys Chem Chem Phys 8:2744-51. 2006
    ....
  8. ncbi request reprint Reaction products in mass spectrometry elucidated with infrared spectroscopy
    Nick C Polfer
    FOM Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, 3439 MN Nieuwegein, The Netherlands
    Phys Chem Chem Phys 9:3804-17. 2007
    ..These results emphasize that more fundamental work is required in order to understand the underlying mechanisms in two of the most important structural techniques in MS...
  9. ncbi request reprint Peptide length, steric effects, and ion solvation govern zwitterion stabilization in barium-chelated di- and tripeptides
    Robert C Dunbar
    Chemistry Department, Case Western Reserve University, Cleveland, Ohio 44106, FOM Institute for Plasmaphysics Rijnhuizen, Edisonbaan 14, NL 3439 MN Nieuwegein, The Netherlands, Chemistry Department, University of Florida, Gainesville, Florida 32611, and University of Amsterdam, Nieuwe Achtergracht 166, 1018WV Amsterdam, The Netherlands
    J Phys Chem B 113:10552-4. 2009
    ....
  10. pmc On the dynamics of fragment isomerization in collision-induced dissociation of peptides
    Nick C Polfer
    Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA
    J Phys Chem A 112:1286-93. 2008
    ..It is demonstrated here that cyclic and linear a4 structures can interconvert freely as a result of collisional activation, implying that isomerization takes place prior to dissociation...
  11. ncbi request reprint Infrared spectroscopy of arginine cation complexes: direct observation of gas-phase zwitterions
    Matthew W Forbes
    Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
    J Phys Chem A 111:11759-70. 2007
    ..Experiment and theory show good agreement; for each ion species investigated, the global-minimum conformer provides a very good match to the measured IR-action spectrum...
  12. ncbi request reprint Gas-phase zwitterion stabilization by a metal dication
    Robert C Dunbar
    Chemistry Department, Case Western Reserve University, Cleveland, Ohio 44106, USA
    J Am Chem Soc 129:14562-3. 2007
    ..The principal spectroscopic signatures of the SB structure are the appearance of the antisymmetric CO stretch of the carboxylate group at 1600 cm-1 and the umbrella mode of NH3 at 1400 cm-1...
  13. doi request reprint Alkali metal complexes of the dipeptides PheAla and AlaPhe: IRMPD spectroscopy
    Nick C Polfer
    Chemistry Department, University of Florida, Gainesville, FL 32611, USA
    Chemphyschem 9:579-89. 2008
    ..The spectroscopic findings are in better agreement with the MPW1PW91 DFT functional calculations of the thermochemistry compared with the B3LYP functional, which seems to underestimate the importance of the cation-pi interaction...
  14. ncbi request reprint Infrared spectroscopy of cationized lysine and epsilon-N-methyllysine in the gas phase: effects of alkali-metal ion size and proton affinity on zwitterion stability
    Matthew F Bush
    Department of Chemistry, University of California, Berkeley, California 94720 1460, USA
    J Phys Chem A 111:7753-60. 2007
    ..The proton affinity of Lys(Me) is 16 kJ/mol higher than that of Lys; the higher proton affinity of a secondary amine can result in its preferential protonation and stabilization of the zwitterionic form...