Nick C Polfer

Author PubWeight™ 12.95‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Structure-activity relationships in defensin dimers: a novel link between beta-defensin tertiary structure and antimicrobial activity. J Biol Chem 2004 1.10
2 Letter: the diagnostic value of amino acid side-chain losses in electron capture dissociation of polypeptides. Comment on: "Can the (M(.)-X) region in electron capture dissociation provide reliable information on amino acid composition of polypeptides?", Eur. J. Mass Spectrom. 8, 461-469 (2002). Eur J Mass Spectrom (Chichester, Eng) 2003 1.08
3 Negative electron transfer dissociation of deprotonated phosphopeptide anions: choice of radical cation reagent and competition between electron and proton transfer. Anal Chem 2010 1.04
4 Effect of peptide fragment size on the propensity of cyclization in collision-induced dissociation: oligoglycine b(2)-b(8). J Am Chem Soc 2009 0.95
5 Glycine and its hydrated complexes: a matrix isolation infrared study. J Phys Chem A 2010 0.88
6 Stepwise solvation of an amino acid: the appearance of zwitterionic structures. J Phys Chem A 2007 0.86
7 Oxazolone versus macrocycle structures for Leu-enkephalin b2-b4: insights from infrared multiple-photon dissociation spectroscopy and gas-phase hydrogen/deuterium exchange. J Am Soc Mass Spectrom 2010 0.84
8 Gas-phase zwitterion stabilization by a metal dication. J Am Chem Soc 2007 0.84
9 Periodicity of monoisotopic mass isomers and isobars in proteomics. Anal Chem 2011 0.83
10 On the relevance of peptide sequence permutations in shotgun proteomics studies. J Proteome Res 2011 0.83
11 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. J Phys Chem A 2007 0.83
12 Disfavoring macrocycle b fragments by constraining torsional freedom: the "twisted" case of QWFGLM b6. J Am Soc Mass Spectrom 2012 0.79
13 Hybrid quadrupole mass filter∕quadrupole ion trap∕time-of-flight-mass spectrometer for infrared multiple photon dissociation spectroscopy of mass-selected ions. Rev Sci Instrum 2011 0.78
14 Dimeric complexes of tryptophan with M2+ metal ions. J Phys Chem A 2009 0.77
15 Diagnostic NH and OH vibrations for oxazolone and diketopiperazine structures: b2 from protonated triglycine. J Am Soc Mass Spectrom 2011 0.76
16 Infrared spectroscopy of arginine cation complexes: direct observation of gas-phase zwitterions. J Phys Chem A 2007 0.76
17 Cyclic peptide as reference system for b ion structural analysis in the gas phase. J Mass Spectrom 2011 0.76
18 Vibrational signatures of metal-chelated monosaccharide epimers: gas-phase infrared spectroscopy of Rb+-tagged glucuronic and iduronic acid. Phys Chem Chem Phys 2010 0.76
19 Inert site in a protein zinc cluster: isotope exchange by high resolution mass spectrometry. J Am Chem Soc 2003 0.75
20 Peptide length, steric effects, and ion solvation govern zwitterion stabilization in barium-chelated di- and tripeptides. J Phys Chem B 2009 0.75