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Justin Kai‐Chi Lau

York University · US
Area of research
Spectroscopy · Organic Chemistry
Research interest
Research interests include Mass Spectrometry Techniques and Applications, Analytical Chemistry and Chromatography, Radical Photochemical Reactions, and Advanced Chemical Physics Studies.
h-index
13
citations
920
works
69
NIH funding
primary concept
email

Recent publications

Competition between Charge- and Radical-Driven Dissociations in the Molecular Radical Cations of Tripeptides
ACS Physical Chemistry Au 2026cited by 0position: firstdoi
Understanding the Binding and Structures in Model Complexes of Polypeptides and Cofactors
ACS Physical Chemistry Au 2025cited by 1position: middledoi
Structure and fragmentation chemistry of the peptide radical cations of glycylphenylalanylglycine (GFG)
PLoS ONE 2024cited by 1position: middledoi
Phosphate Migration versus the Loss of Phosphoric Acid in Protonated Phosphopeptides: A Computational Study
The Journal of Physical Chemistry B 2024cited by 0position: firstdoi
Large-scale characterization of cocaine addiction-like behaviors reveals that escalation of intake, aversion-resistant responding, and breaking-points are highly correlated measures of the same construct
eLife 2023cited by 9position: middledoi
Generation, Characterization, and Dissociation of Radical Cations Derived from Prolyl-glycyl-glycine
The Journal of Physical Chemistry B 2021cited by 3position: firstdoi
Cations Derived from Fentanyls Generated by Atmospheric Pressure Photoionization in the Presence of Ammonia: An IMS-MS Study
Journal of the American Society for Mass Spectrometry 2021cited by 1position: firstdoi
Collision-induced dissociation of protonated fentanyl: A DFT study
Computational and Theoretical Chemistry 2020cited by 9position: firstdoi
Dissociative electron transfer of copper(<scp>ii</scp>) complexes of glycyl(glycyl/alanyl)tryptophan<i>in vacuo</i>: IRMPD action spectroscopy provides evidence of transition from zwitterionic to non-zwitterionic peptide structures
Physical Chemistry Chemical Physics 2020cited by 6position: middledoi
Structures of [GPGG + H – H2O]+ and [GPGG + H – H2O – NH CH2]+ ions; evidence of rearrangement prior to dissociation
International Journal of Mass Spectrometry 2019cited by 1position: firstdoi
Structures and Dissociation Products of Ce/Peptide Complexes: Competition between Coordination and Charge Delocalization
The Journal of Physical Chemistry B 2019cited by 1position: middledoi
Doubly Charged Small Organic Fragments Derived from [Ce(tripeptide)(CH<sub>3</sub>CN)<i><sub>m</sub></i>]<sup>3+</sup> Complexes: Observation of the Elusive [b<i><sub>n</sub></i> + H]<sup>2+</sup> Ions
The Journal of Physical Chemistry B 2019cited by 0position: middledoi
Hydrogen atom transfer in the radical cations of tryptophan-containing peptides AW and WA studied by mass spectrometry, infrared multiple-photon dissociation spectroscopy, and theoretical calculations
European Journal of Mass Spectrometry 2018cited by 8position: middledoi
Loss of water from protonated polyglycines: interconversion and dissociation of the product imidazolone ions
Physical Chemistry Chemical Physics 2018cited by 4position: middledoi
Imidazolone formation from protonated tetrapeptides: Effects of replacing a glycine by an alanine or proline residue
International Journal of Mass Spectrometry 2018cited by 3position: firstdoi
Dissociation of [b5 – H]+ ions composed of one α-methyltryptophan and four alanine residues: The effect of the α-methyl group
International Journal of Mass Spectrometry 2018cited by 0position: middledoi
Interconversion between 4-Imidazolone Ions; Isomers of [b<sub>4</sub>]<sup>+</sup> Derived from Protonated Tetraglycine
The Journal of Physical Chemistry B 2017cited by 6position: middledoi
Hydrogen atom transfer in metal ion complexes of the glutathione thiyl radical
International Journal of Mass Spectrometry 2017cited by 5position: middledoi
Isomerization versus dissociation of phenylalanylglycyltryptophan radical cations
Physical Chemistry Chemical Physics 2017cited by 2position: middledoi
Dissociation of [b5]+ ions containing an α-methyltryptophan and four alanine residues; losses of CO2 and the oxazolone ring
International Journal of Mass Spectrometry 2017cited by 1position: middledoi
Cysteine Radical/Metal Ion Adducts: A Gas‐Phase Structural Elucidation and Reactivity Study
ChemPlusChem 2016cited by 10position: middledoi
Nucleophilic substitution by amide nitrogen in the aromatic rings of [z<sub>n</sub>− H]˙<sup>+</sup>ions; the structures of the [b<sub>2</sub>− H − 17]˙<sup>+</sup>and [c<sub>1</sub>− 17]<sup>+</sup>ions
Physical Chemistry Chemical Physics 2016cited by 2position: middledoi
Radical-induced dissociation leading to the loss of CO<sub>2</sub>from the oxazolone ring of [b<sub>5</sub>− H]˙<sup>+</sup>ions
Physical Chemistry Chemical Physics 2016cited by 2position: firstdoi
Proposed nomenclature for peptide ion fragmentation
International Journal of Mass Spectrometry 2015cited by 81position: middledoi
Alkali‐Metal‐Ion‐Assisted Hydrogen Atom Transfer in the Homocysteine Radical
Chemistry - A European Journal 2015cited by 10position: middledoi
Investigation of Fragmentation of Tryptophan Nitrogen Radical Cation
Journal of the American Society for Mass Spectrometry 2015cited by 8position: middledoi
Radical-induced, proton-transfer-driven fragmentations in [b<sub>5</sub> − H]˙<sup>+</sup> ions derived from pentaalanyl tryptophan
Physical Chemistry Chemical Physics 2015cited by 4position: middledoi
Fragmentation of Peptide Radical Cations Containing a Tyrosine or Tryptophan Residue: Structural Features That Favor Formation of [<i>x</i><sub>(<i>n</i>–1)</sub> + H]<sup>•+</sup> and [<i>z</i><sub>(<i>n</i>–1)</sub> + H]<sup>•+</sup> Ions
The Journal of Physical Chemistry B 2014cited by 13position: middledoi
Metal Ion Complexes with HisGly: Comparison with PhePhe and PheGly
The Journal of Physical Chemistry A 2013cited by 33position: middledoi
Structure and Reactivity of the Distonic and Aromatic Radical Cations of Tryptophan
Journal of the American Society for Mass Spectrometry 2013cited by 24position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

Alan C. Hopkinson · York University37 papers (2012–2026)KW Michael Siu · York University34 papers (2012–2025) · 15 papers (2012–2025)Junfang Zhao · York University11 papers (2012–2016)Cheuk‐Kuen Lai · York University10 papers (2015–2019)Udo H. Verkerk · York University10 papers (2012–2021) · 10 papers (2013–2026) · 9 papers (2013–2021) · 8 papers (2015–2025)Jonathan Martens · University of Waterloo5 papers (2018–2025)Yating Wang · North China Electric Power University5 papers (2014–2019) · 4 papers (2013–2018)Irine S. Saminathan · York University4 papers (2012–2016) · 4 papers (2012–2013)K. H. Brian Lam · York University4 papers (2017–2019)Xiaoyan Mu · Massachusetts Institute of Technology3 papers (2015–2017)Stefanie Mädler · York University3 papers (2014–2016)D. Keith Williams · York University3 papers (2014–2016)John T. Lawler · AbbVie (United States)3 papers (2015–2017)Michael Lesslie · AbbVie (United States)3 papers (2015–2017)