[HTML][HTML] Considerations for defining+ 80 Da mass shifts in mass spectrometry-based proteomics: phosphorylation and beyond

LA Daly, CJ Clarke, A Po, SO Oswald… - Chemical …, 2023 - pubs.rsc.org
Post-translational modifications (PTMs) are ubiquitous and key to regulating protein function.
Understanding the dynamics of individual PTMs and their biological roles requires robust …

Large-scale prediction of collision cross-section values for metabolites in ion mobility-mass spectrometry

Z Zhou, X Shen, J Tu, ZJ Zhu - Analytical chemistry, 2016 - ACS Publications
The rapid development of metabolomics has significantly advanced health and disease
related research. However, metabolite identification remains a major analytical challenge for …

Advances in mass spectrometric tools for probing neuropeptides

A Buchberger, Q Yu, L Li - Annual review of analytical chemistry, 2015 - annualreviews.org
Neuropeptides are important mediators in the functionality of the brain and other
neurological organs. Because neuropeptides exist in a wide range of concentrations …

[HTML][HTML] The role of the mobile proton in fucose migration

M Lettow, E Mucha, C Manz, DA Thomas… - Analytical and …, 2019 - Springer
Fucose migration reactions represent a substantial challenge in the analysis of fucosylated
glycan structures by mass spectrometry. In addition to the well-established observation of …

Composite Multidimensional Ion Mobility-Mass Spectrometry for Improved Differentiation of Stereochemical Modifications

X Xu, L Han, Z Zheng, R Zhao, L Li, X Shao… - Analytical …, 2023 - ACS Publications
Stereochemical modifications (SCMs), mostly present in the form of d-amino acid
substitution, have been increasingly identified from a wide range of neuropeptides and …

Improved structural elucidation of peptide isomers and their receptors using advanced ion mobility-mass spectrometry

G Li, DG Delafield, L Li - TrAC Trends in Analytical Chemistry, 2020 - Elsevier
Ion mobility-mass spectrometry (IM-MS) has emerged as a highly important analytical
technique for the structural elucidation of a wide range of biomolecules, including …

FT‐MS in the de novo top‐down sequencing of natural nontryptic peptides

AT Lebedev, ID Vasileva… - Mass Spectrometry …, 2022 - Wiley Online Library
The present review covers available results on the application of FT‐MS for the de novo
sequencing of natural peptides of various animals: cones, bees, snakes, amphibians …

Application of GC/MS soft ionization for isomeric biological compound analysis

T Furuhashi, K Okuda - Critical Reviews in Analytical Chemistry, 2017 - Taylor & Francis
Isomers are compounds with the same molecular formula. Many different types of isomers
are ubiquitous and play important roles in living organisms. Despite their early discovery, the …

Discrimination of isoleucine and leucine by dimethylation-assisted MS3

S Maibom-Thomsen, S Heissel, E Mørtz… - Analytical …, 2018 - ACS Publications
Protein sequencing by mass spectrometry has transformed the field of biopharmaceutical
analysis, but a missing part in the analytical toolkit is the ability to distinguish between the …

Mass spectrometry approaches empowering neuropeptide discovery and therapeutics

KDB Anapindi, EV Romanova, JW Checco… - Pharmacological …, 2022 - ASPET
The discovery of insulin in the early 1900s ushered in the era of research related to peptides
acting as hormones and neuromodulators, among other regulatory roles. These essential …