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Title	Author(s)	Issue Date
Are the radical centers in peptide radical cations mobile? The generation, tautomerism, and dissociation of isomeric α-carbon-centered triglycine radical cations in the gas phase Journal:Journal of the American Chemical Society	Chu, IK Zhao, J Xu, M Shiu, OS Hopkinson, AC Siu, KWM	2008
Characterization of the product ions from the collision-induced dissociation of argentinated peptides Journal:Journal of the American Society for Mass Spectrometry	Chu, IK Shoeib, T Guo, X Rodriquez, CF Hopkinson, AC Siu, KWM Lau, TC	2001
Comparison between protonation, lithiation, and argentination of 5-oxazolones: A study of a key intermediate in gas-phase peptide sequencing Journal:Journal of Physical Chemistry A	Rodriquez, CF Shoeib, T Chu, IK Michael Siu, KW Hopkinson, AC	2000
Copper-mediated peptide radical ions in the gas phase Journal:Journal of Physical Chemistry B	BagheriMajdi, E Ke, Y Orlova, G Chu, IK Hopkinson, AC Siu, KWM	2004
Dissociative electron transfer of copper(II) complexes of glycyl(glycyl/alanyl)tryptophan in vacuo: IRMPD action spectroscopy provides evidence of transition from zwitterionic to non-zwitterionic peptide structures Journal:Physical Chemistry Chemical Physics	LI, Y LI, M Spencer, DM Lau, JKC Martens, JONATHAN Berden, G Oomens, J Fang, DC Hopkinson, AC Siu, KWM Siu, CK Chu, IK	2020
Elimination of AgR (R = H, CH 3, C 6H 5) from collisionally-activated argentinated amines Journal:European Journal of Mass Spectrometry	Grewal, RN Rodriquez, CF Shoeib, T Chu, IK Tu, YP Hopkinson, AC Siu, KWM	2000
Formation of molecular radical cations of enkephalin derivatives via collision-induced dissociation of electrospray-generated copper (II) complex ions of amines and peptides Journal:Journal of the American Society for Mass Spectrometry	Chu, IK Rodriguez, CF Hopkinson, AC Siu, KWM Lau, TC	2001
Formation, isomerization and dissociation of ε- and α-carbon-centered tyrosylglycylglycine radical cations Proceeding/Conference:22nd IUPAC International Conference on Physical Organic Chemistry 2014	Mu, X Lai, CK Hopkinson, AC Chu, IK	2014
Formation, isomerization, and dissociation of ε- and α-carbon-centered tyrosylglycylglycine radical cations Journal:Physical Chemistry Chemical Physics	LAI, CK MU, X HAO, Q Hopkinson, AC Chu, IK	2014
Fragmentation of Cu(II)-peptide complexes as a route to molecular radical cations of peptides Proceeding/Conference:Proceedings 50th ASMS Conference on Mass Spectrometry and Allied Topics	BagheriMajdi, E Chu, IK Rodriquez, CF Hopkinson, AC Siu, KWM	2002
Intramolecular hydrogen atom migration along the backbone of cationic and neutral radical tripeptides and subsequent radical-induced dissociations Journal:Physical Chemistry Chemical Physics	Zhao, J Song, T Xu, M Quan, Q Siu, KWM Hopkinson, AC Chu, IK	2012
Isomerization versus dissociation of phenylalanylglycyltryptophan radical cations Journal:Physical Chemistry Chemical Physics	MU, X Lau, JKC LAI, CK Siu, KWM Hopkinson, AC Chu, IK	2017
Kinetics for Tautomerizations and Dissociations of Triglycine Radical Cations Journal:Journal of the American Society for Mass Spectrometry	Siu, CK Zhao, J Laskin, J Chu, IK Hopkinson, AC Siu, KWM	2009
Loss of water from protonated polyglycines: interconversion and dissociation of the product imidazolone ions Journal:Physical Chemistry Chemical Physics	Lam, KHB Lau, JKC Lai, CK Chu, IK Martens, J BERDEN, G OOMENS, J HOPKINSON, AC SIU, KWM	2018
Methionine, α-methylmethionine and S-methylcysteine radical cations: Generations and dissociations in the gas phase Journal:Physical Chemistry Chemical Physics	Zhao, J Ng, CMD Chu, IK Siu, KWM Hopkinson, AC	2009
Molecular radical cations of oligopeptides Journal:Journal of Physical Chemistry B	Chu, IK Rodriquez, CF Lau, TC Hopkinson, AC Michael Siu, KW	2000
Nucleophilic substitution by amide nitrogen in the aromatic rings of [zn − H]˙+ ions; the structures of the [b2 − H − 17]˙+ and [c1 − 17]+ ions Journal:Physical Chemistry Chemical Physics	Mu, X Lau, JKC Lai, CK Siu, KWM Hopkinson, AC Chu, IK	2016
A possible origin of [M - NH + mX] (m-n)+ ions (X = alkali metal ions) in electrospray mass spectrometry of peptides Journal:International Journal of Mass Spectrometry	Rodriquez, CF Fournier, R Chu, IK Hopkinson, AC Siu, KWM	1999
Proposed nomenclature for peptide ion fragmentation Journal:International Journal of Mass Spectrometry	Chu, IK Siu, CK Lau, KC Tang, WK MU, X LAI, CK Guo, X Wang, X Li, N Xia, Y Kong, X Oh, HB Ryzhov, V Tureček, F Hopkinson, AC Siu, KWM	2015
Proton affinities of methyl esters of N-acetylated amino acids Journal:International Journal of Mass Spectrometry	Addario, V Guo, Y Chu, IK Ling, Y Ruggerio, G Rodriquez, CF Hopkinson, AC Siu, KWMichael	2002

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