Dr Chi-Kit Siu, PhD - City University of Hong Kong

Dr Chi-Kit Siu

PhD

City University of Hong Kong

Hong Kong

ORCID logohttps://orcid.org/0000-0002-1162-6899

Dr Chi-Kit Siu, PhD - City University of Hong Kong

Dr Chi-Kit Siu

PhD

Introduction

Primary Affiliation: City University of Hong Kong - Hong Kong

Publications

40Publications

341Reads

44Profile Views

39PubMed Central Citations

Evidence for the Prerequisite Formation of Phenoxyl Radicals in Radical-Mediated Peptide Tyrosine Nitration In Vacuo.

Chemistry 2020 Jan 26;26(1):331-335. Epub 2019 Nov 26.

Department of Chemistry, University of Hong Kong, Pokfulam, Hong Kong, S.A.R. China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.201904484DOI Listing
January 2020
5.731 Impact Factor

A Versatile NHC-Parent Silyliumylidene Cation for Catalytic Chemo- and Regioselective Hydroboration.

J Am Chem Soc 2019 Nov 25;141(44):17629-17636. Epub 2019 Oct 25.

Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jacs.9b06714DOI Listing
November 2019
12.113 Impact Factor

Infrared Spectroscopy of Size-Selected Hydrated Carbon Dioxide Radical Anions CO (H O) (n=2-61) in the C-O Stretch Region.

Chemistry 2019 Aug 1;25(43):10165-10171. Epub 2019 Jul 1.

Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstraße 25, 6020, Innsbruck, Austria.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.201901650DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6771497PMC
August 2019
1 Read
5.731 Impact Factor

Kinetics of the reaction of CO˙(HO), n = 0, 1, 2, with nitric acid, a key reaction in tropospheric negative ion chemistry.

Phys Chem Chem Phys 2018 Apr;20(16):10838-10845

Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstraße 25, 6020 Innsbruck, Austria.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1039/c7cp07773dDOI Listing
April 2018
14 Reads
4.493 Impact Factor

Self-Assembled Binuclear Cu(II)-Histidine Complex for Absolute Configuration and Enantiomeric Excess Determination of Naproxen by Tandem Mass Spectrometry.

Anal Chem 2018 03 1;90(6):4089-4097. Epub 2018 Mar 1.

State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation) and Shenzhen Key Laboratory of Food Biological Safety Control , Shenzhen Research Institute of Hong Kong Polytechnic University , Shenzhen 518057 , China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/acs.analchem.7b05407DOI Listing
March 2018
12 Reads
5.640 Impact Factor

Discovery and mechanistic studies of facile N-terminal Cα-C bond cleavages in the dissociation of tyrosine-containing peptide radical cations.

J Phys Chem B 2014 Apr 15;118(16):4273-81. Epub 2014 Apr 15.

Department of Chemistry, The University of Hong Kong , Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp410525fDOI Listing
April 2014
6 Reads

Carboxylation of methyl acrylate by carbon dioxide radical anions in gas-phase water clusters.

Angew Chem Int Ed Engl 2013 Aug 10;52(35):9327-30. Epub 2013 Jul 10.

Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstrasse 40, 24098 Kiel, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/anie.201302827DOI Listing
August 2013
8 Reads
2 Citations
11.261 Impact Factor

Mechanistic investigation of phosphate ester bond cleavages of glycylphosphoserinyltryptophan radical cations under low-energy collision-induced dissociation.

J Am Soc Mass Spectrom 2013 Apr 21;24(4):554-62. Epub 2013 Mar 21.

Department of Chemistry, University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s13361-013-0597-xDOI Listing
April 2013
13 Reads
2.945 Impact Factor

Mechanistic examination of Cβ-Cγ bond cleavages of tryptophan residues during dissociations of molecular peptide radical cations.

J Phys Chem A 2013 Feb 18;117(6):1059-68. Epub 2012 Jul 18.

Department of Chemistry, The University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp303562eDOI Listing
February 2013
25 Reads
2.693 Impact Factor

Formation and dissociation of phosphorylated peptide radical cations.

J Am Soc Mass Spectrom 2012 Dec 12;23(12):2094-101. Epub 2012 Sep 12.

Department of Chemistry, University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s13361-012-0479-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3514703PMC
December 2012
16 Reads
2.945 Impact Factor

Arginine-facilitated isomerization: radical-induced dissociation of aliphatic radical cationic glycylarginyl(iso)leucine tripeptides.

J Phys Chem B 2012 Jul 20;116(26):7627-34. Epub 2012 Jun 20.

Department of Chemistry, The University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp301882pDOI Listing
July 2012
24 Reads
2 Citations

Reactions of CH3SH and CH3SSCH3 with gas-phase hydrated radical anions (H2O)n(•-), CO2(•-)(H2O)n, and O2(•-)(H2O)n.

J Phys Chem A 2012 Apr 5;116(15):3824-35. Epub 2012 Apr 5.

Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstrasse 40, 24098 Kiel, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp302076fDOI Listing
April 2012
10 Reads
2 Citations
2.693 Impact Factor

Novel Cβ-Cγ bond cleavages of tryptophan-containing peptide radical cations.

J Am Soc Mass Spectrom 2012 Feb 2;23(2):264-73. Epub 2011 Dec 2.

Department of Chemistry, The University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s13361-011-0295-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3264861PMC
February 2012
10 Reads
1 Citation
2.945 Impact Factor

Hydrated magnesium cations Mg+(H2O)n, n ≈ 20-60, exhibit chemistry of the hydrated electron in reactions with O2 and CO2.

J Phys Chem A 2011 Sep 18;115(36):10174-80. Epub 2011 Aug 18.

Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstrasse 40, 24098 Kiel, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp206140kDOI Listing
September 2011
10 Reads
2.693 Impact Factor

Effect of the N-terminal basic residue on facile Cα-C bond cleavages of aromatic-containing peptide radical cations.

Phys Chem Chem Phys 2011 Apr 17;13(13):5888-96. Epub 2011 Feb 17.

Department of Chemistry, The University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1039/c0cp00974aDOI Listing
April 2011
13 Reads
1 Citation
4.493 Impact Factor

Arginine-facilitated α- and π-radical migrations in glycylarginyltryptophan radical cations.

Chem Asian J 2011 Mar 26;6(3):888-98. Epub 2011 Jan 26.

Department of Chemistry, The University of Hong Kong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/asia.201000677DOI Listing
March 2011
5 Reads
2 Citations

A comparison of the fragmentation pathways of [Cu(II)(Ma)(Mb)]•2+ complexes where Ma and Mb are peptides containing either a tryptophan or a tyrosine residue.

Rapid Commun Mass Spectrom 2010 Dec;24(23):3485-92

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/rcm.4783DOI Listing
December 2010
5 Reads
2.253 Impact Factor

Selective formic acid synthesis from nanoscale electrochemistry.

Angew Chem Int Ed Engl 2010 Oct;49(44):8257-9

Institut für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstraße 40, 24098 Kiel, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/anie.201004134DOI Listing
October 2010
20 Reads
11.261 Impact Factor

Bond dissociation energies of solvated silver(I)-amide complexes: competitive threshold collision-induced dissociations and calculations.

J Phys Chem A 2010 Jul;114(26):6964-71

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp102470xDOI Listing
July 2010
16 Reads
2.693 Impact Factor

Optimization of parameters used in algorithms of ion-mobility calculation for conformational analyses.

J Phys Chem B 2010 Jan;114(2):1204-12

Department of Biology and Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp910858zDOI Listing
January 2010
8 Reads
3 Citations

Threshold collision-induced dissociation measurements using a ring ion guide as the collision cell in a triple-quadrupole mass spectrometer.

Anal Chem 2009 Aug;81(16):6805-12

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, Toronto, Ontario, Canada M3J 1P3.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/ac9009758DOI Listing
August 2009
9 Reads
5.640 Impact Factor

Conformation switching in gas-phase complexes of histidine with alkaline earth ions.

J Phys Chem B 2009 Jul;113(30):10403-8

Chemistry Department, Case Western Reserve University, Cleveland, Ohio 44106, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp903064wDOI Listing
July 2009
6 Reads
1 Citation

Kinetics for tautomerizations and dissociations of triglycine radical cations.

J Am Soc Mass Spectrom 2009 Jun 29;20(6):996-1005. Epub 2009 Jan 29.

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, Toronto, Ontario, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.jasms.2009.01.014DOI Listing
June 2009
3 Reads
2.945 Impact Factor

Abundant dipositively charged protonated a2 and a3 ions from diproline and triproline.

J Phys Chem B 2009 Apr;113(14):4963-9

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp900767kDOI Listing
April 2009
21 Reads

Structure of the observable histidine radical cation in the gas phase: a captodative alpha-radical ion.

Angew Chem Int Ed Engl 2008 ;47(50):9666-8

FOM Institute for Plasma Physics, 3430 BE Nieuwegein, The Netherlands.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/anie.200804101DOI Listing
December 2008
12 Reads
11.261 Impact Factor

Dissociation of the N-C(alpha) bond and competitive formation of the [z(n) - H](+) and [c(n) + 2H](+) product ions in radical peptide ions containing tyrosine and tryptophan: the influence of proton affinities on product formation.

J Am Soc Mass Spectrom 2008 Dec 1;19(12):1799-807. Epub 2008 Oct 1.

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, Toronto, Ontario, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.jasms.2008.09.026DOI Listing
December 2008
3 Reads
1 Citation
2.945 Impact Factor

Dipositively charged protonated a3 and a2 ions: generation by fragmentation of [La(GGG)(CH3CN)2]3+.

Angew Chem Int Ed Engl 2008 ;47(43):8288-91

Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, M5S 3H2, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/anie.200802272DOI Listing
December 2008
3 Reads
1 Citation
11.261 Impact Factor

Binding energies of the silver ion to alcohols and amides: a theoretical and experimental study.

J Phys Chem A 2008 Oct 8;112(43):10912-20. Epub 2008 Oct 8.

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp8055653DOI Listing
October 2008
7 Reads
1 Citation
2.693 Impact Factor

Dissociations of copper(II)-containing complexes of aromatic amino acids: radical cations of tryptophan, tyrosine, and phenylalanine.

Phys Chem Chem Phys 2008 Oct 11;10(38):5908-18. Epub 2008 Aug 11.

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1039/b807692hDOI Listing
October 2008
5 Reads
1 Citation
4.493 Impact Factor

Reactions of large water cluster anions with hydrogen chloride: formation of atomic hydrogen and phase separation in the gas phase.

J Am Chem Soc 2007 Mar 23;129(11):3238-46. Epub 2007 Feb 23.

Department Chemie, Physikalische Chemie 2, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/ja067355oDOI Listing
March 2007
9 Reads
12.113 Impact Factor

How large is the [Fe(III)(protoporphyrin IX)]+ ion (hemin+) in the gas phase?

J Phys Chem B 2006 Nov;110(47):24207-11

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp064873cDOI Listing
November 2006
2 Reads

Ab initio molecular dynamics studies of ionic dissolution and precipitation of sodium chloride and silver chloride in water clusters, NaCl(H2O)n and AgCl(H2O)n, n = 6, 10, and 14.

Chemistry 2006 Aug;12(24):6382-92

Department Chemie, Physikalische Chemie 2, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.200501569DOI Listing
August 2006
15 Reads
1 Citation
5.731 Impact Factor

Proton transfer in ionic water clusters.

Angew Chem Int Ed Engl 2006 Jun;45(24):4027-30

Department Chemie, Physikalische Chemie 2, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/anie.200504135DOI Listing
June 2006
6 Reads
1 Citation
11.261 Impact Factor

Gaseous bradykinin and its singly, doubly, and triply protonated forms: a first-principles study.

J Phys Chem B 2006 Apr;110(14):7528-37

Department of Chemistry and Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/jp046015rDOI Listing
April 2006
4 Reads
15 Citations

The elimination of a hydrogen atom in Na(H2O)n.

J Chem Phys 2005 Sep;123(12):124313

Department of Chemistry and Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1063/1.2035076DOI Listing
September 2005
2 Reads
2.952 Impact Factor

Reaction mechanisms for size-dependent H loss in Mg+(H2O)n: solvation controlled electron transfer.

Phys Chem Chem Phys 2005 Mar;7(5):1005-13

Department of Chemistry and Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1039/b418787nDOI Listing
March 2005
3 Reads
4.493 Impact Factor

Reactions of hydrated electrons (H2O)n- with carbon dioxide and molecular oxygen: hydration of the CO2- and O2- ions.

Chemistry 2004 Oct;10(19):4822-30

Institut für Physikalische und Theoretische Chemie, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany, Fax: (+49) 89-289-13416.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.200400416DOI Listing
October 2004
8 Reads
3 Citations
5.731 Impact Factor

Ab initio studies on Al(+)(H(2)O)(n), HAlOH(+)(H(2)O)(n-1), and the size-dependent H(2) elimination reaction.

J Am Chem Soc 2002 Sep;124(36):10846-60

Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1021/ja0117579DOI Listing
September 2002
5 Reads
12.113 Impact Factor

Ab initio studies on the mechanism of the size-dependent hydrogen-loss reaction in Mg+(H2O)n.

Chemistry 2002 Jul;8(14):3177-86

Department of Chemistry The Chinese University of Hong Kong, Shatin, Hong Kong, China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/1521-3765(20020715)8:14<3177::AID-CHEM3177>3.0.CO;2-BDOI Listing
July 2002
2 Reads
1 Citation
5.731 Impact Factor

Top co-authors

Ivan K Chu
Ivan K Chu

The University of Hong Kong

11
Martin K Beyer
Martin K Beyer

Technische Universität München

10
Tao Song
Tao Song

Zhejiang Provincial People's Hospital

7
Qiang Hao
Qiang Hao

School of Pharmacy

7
Vladimir E Bondybey
Vladimir E Bondybey

Technische Universität München

5
Udo H Verkerk
Udo H Verkerk

York University

5
Quan Quan
Quan Quan

The University of Hong Kong

5
Junfang Zhao
Junfang Zhao

York University

4
Yuyong Ke
Yuyong Ke

York University

4