List of works - Chi-Kit Siu

A Base-Stabilized Silylene-Promoted C(sp3)-H Borylation and H2 Activation

scientific article published on 25 June 2020

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

scientific article published on 25 October 2019

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

scientific article published on December 15, 2010

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

article

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

scientific article published in September 2002

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

scientific article published in July 2002

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

scientific article published in April 2009

Arginine-Facilitated α- and π-Radical Migrations in Glycylarginyltryptophan Radical Cations

article

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

scientific article published on 20 June 2012

Base-Catalyzed Hydrogen/Deuterium Exchange between Water and Acetonitrile in Anionic Water Clusters

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

scientific article published on 8 October 2008

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

scientific article published in July 2010

CC bond formation between CO2− and allyl alcohol: A mechanistic study

article

Carboxylation of Methyl Acrylate by Carbon Dioxide Radical Anions in Gas-Phase Water Clusters

article

Charge transfer reactions between gas-phase hydrated electrons, molecular oxygen and carbon dioxide at temperatures of 80–300 K

scientific article published on 08 August 2016

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

scientific article

Cα–Cβ bond cleavage occurs at the side chain of the N-terminal phenylalanine residue during CID of tyrosine-containing peptide radical cations

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

scientific article published in January 2008

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

scientific article published on 15 April 2014

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

scientific article

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

scientific article published on 11 August 2008

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

scientific article published on 03 June 2020

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

scientific article published on 17 February 2011

Electrons Mediate the Gas-Phase Oxidation of Formic Acid with Ozone.

scientific article published on 12 July 2016

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

scientific article published on 26 November 2019

Formation and dissociation of phosphorylated peptide radical cations

scientific article

Formation of n → π+ interaction facilitating dissociative electron transfer in isolated tyrosine-containing molecular peptide radical cations

scientific article published on 17 September 2020

Free electrons, the simplest radicals of them all: chemistry of aqueous electrons as studied by mass spectrometry

Gaseous Bradykinin and Its Singly, Doubly, and Triply Protonated Forms: A First-Principles Study

scientific article published on 01 April 2006

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

scientific article published in November 2006

Hydrated Magnesium Cations Mg+(H2O)n,n≈ 20–60, Exhibit Chemistry of the Hydrated Electron in Reactions with O2and CO2

scientific article published on 18 August 2011

Hydration Leads to Efficient Reactions of the Carbonate Radical Anion with Hydrogen Chloride in the Gas Phase

scientific article

Infrared Spectroscopy of Size-Selected Hydrated Carbon Dioxide Radical Anions CO2 .- (H2 O)n (n=2-61) in the C-O Stretch Region

scientific article published on 01 July 2019

Kinetics for tautomerizations and dissociations of triglycine radical cations

scientific article published on 29 January 2009

Kinetics of the reaction of CO3˙-(H2O)n, n = 0, 1, 2, with nitric acid, a key reaction in tropospheric negative ion chemistry

scientific article published on 23 February 2018

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

scientific article published on 18 July 2012

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

scientific article published on 21 March 2013

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

scientific article published on 2 December 2011

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

scientific article published in January 2010

Proposed nomenclature for peptide ion fragmentation

Proton Transfer in Ionic Water Clusters

scientific article published on 01 June 2006

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

scientific article published in March 2005

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

scientific article published on 5 April 2012

Reactions of Hydrated Electrons (H2O)n− with Carbon Dioxide and Molecular Oxygen: Hydration of the CO2− and O2− Ions

scientific article published on 01 October 2004

Reactions of Large Water Cluster Anions with Hydrogen Chloride: Formation of Atomic Hydrogen and Phase Separation in the Gas Phase

scientific article published on 23 February 2007

Reactivity of Hydrated Monovalent First Row Transition Metal Ions [M(H2O)n]+, M = Cr, Mn, Fe, Co, Ni, Cu, and Zn, n < 50, Toward Acetonitrile

scientific article published on 21 May 2015

Reduction of Acetonitrile by Hydrated Magnesium Cations Mg+(H2O)n(n≈20-60) in the Gas Phase

scientific article published on 02 July 2013

Reductions of Oxygen, Carbon Dioxide, and Acetonitrile by the Magnesium(II)/Magnesium(I) Couple in Aqueous Media: Theoretical Insights from a Nano-Sized Water Droplet

scientific article published on 12 March 2015

Selective Formic Acid Synthesis from Nanoscale Electrochemistry

article

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

scientific article published on 17 February 2018

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

scientific article

Structures of the a2 ions of Ala-Ala-Ala and Phe-Phe-Phe

Tautomerization and Dissociation of Molecular Peptide Radical Cations

scientific article published on 26 June 2017

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

scientific article published in September 2005

Theoretical examination of competitive β-radical-induced cleavages of N–Cα and Cα–C bonds of peptides

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

scientific article published in August 2009

List of works by Chi-Kit Siu

A Base-Stabilized Silylene-Promoted C(sp3)-H Borylation and H2 Activation

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

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

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

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

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

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

Arginine-Facilitated α- and π-Radical Migrations in Glycylarginyltryptophan Radical Cations

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

Base-Catalyzed Hydrogen/Deuterium Exchange between Water and Acetonitrile in Anionic Water Clusters

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

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

CC bond formation between CO2− and allyl alcohol: A mechanistic study

Carboxylation of Methyl Acrylate by Carbon Dioxide Radical Anions in Gas-Phase Water Clusters

Charge transfer reactions between gas-phase hydrated electrons, molecular oxygen and carbon dioxide at temperatures of 80–300 K

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

Cα–Cβ bond cleavage occurs at the side chain of the N-terminal phenylalanine residue during CID of tyrosine-containing peptide radical cations

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

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

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

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

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

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

Electrons Mediate the Gas-Phase Oxidation of Formic Acid with Ozone.

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

Formation and dissociation of phosphorylated peptide radical cations

Formation of n → π+ interaction facilitating dissociative electron transfer in isolated tyrosine-containing molecular peptide radical cations

Free electrons, the simplest radicals of them all: chemistry of aqueous electrons as studied by mass spectrometry

Gaseous Bradykinin and Its Singly, Doubly, and Triply Protonated Forms: A First-Principles Study

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

Hydrated Magnesium Cations Mg+(H2O)n,n≈ 20–60, Exhibit Chemistry of the Hydrated Electron in Reactions with O2and CO2

Hydration Leads to Efficient Reactions of the Carbonate Radical Anion with Hydrogen Chloride in the Gas Phase

Infrared Spectroscopy of Size-Selected Hydrated Carbon Dioxide Radical Anions CO2 .- (H2 O)n (n=2-61) in the C-O Stretch Region

Kinetics for tautomerizations and dissociations of triglycine radical cations

Kinetics of the reaction of CO3˙-(H2O)n, n = 0, 1, 2, with nitric acid, a key reaction in tropospheric negative ion chemistry

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

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

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

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

Proposed nomenclature for peptide ion fragmentation

Proton Transfer in Ionic Water Clusters

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

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

Reactions of Hydrated Electrons (H2O)n− with Carbon Dioxide and Molecular Oxygen: Hydration of the CO2− and O2− Ions

Reactions of Large Water Cluster Anions with Hydrogen Chloride: Formation of Atomic Hydrogen and Phase Separation in the Gas Phase

Reactivity of Hydrated Monovalent First Row Transition Metal Ions [M(H2O)n]+, M = Cr, Mn, Fe, Co, Ni, Cu, and Zn, n < 50, Toward Acetonitrile

Reduction of Acetonitrile by Hydrated Magnesium Cations Mg+(H2O)n(n≈20-60) in the Gas Phase

Reductions of Oxygen, Carbon Dioxide, and Acetonitrile by the Magnesium(II)/Magnesium(I) Couple in Aqueous Media: Theoretical Insights from a Nano-Sized Water Droplet

Selective Formic Acid Synthesis from Nanoscale Electrochemistry

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

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

Structures of the a2 ions of Ala-Ala-Ala and Phe-Phe-Phe

Tautomerization and Dissociation of Molecular Peptide Radical Cations

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

Theoretical examination of competitive β-radical-induced cleavages of N–Cα and Cα–C bonds of peptides

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

a2 Ion Derived from Triglycine: An N1-Protonated 4-Imidazolidinone

α-Radical-induced CO 2 loss from the aspartic acid side chain of the collisionally induced tripeptide aspartylglycylarginine radical cation