High-end ion mobility mass spectrometry: A current review of analytical capacity in omics applications and structural investigations

DG Delafield, G Lu, CJ Kaminsky, L Li - TrAC Trends in Analytical …, 2022 - Elsevier
Mass spectrometry-based biomolecular analyses have become permanent fixtures of
academic, industrial, and clinical research settings. The rise in utilization of mass …

Integrating ion mobility and imaging mass spectrometry for comprehensive analysis of biological tissues: A brief review and perspective

ES Rivera, KV Djambazova… - Journal of Mass …, 2020 - Wiley Online Library
Imaging mass spectrometry (IMS) technologies are capable of mapping a wide array of
biomolecules in diverse cellular and tissue environments. IMS has emerged as an essential …

Improved sensitivity of ultralow flow LC–MS-based proteomic profiling of limited samples using monolithic capillary columns and FAIMS technology

M Greguš, JC Kostas, S Ray, SE Abbatiello… - Analytical …, 2020 - ACS Publications
In this work, we pioneered a combination of ultralow flow (ULF) high-efficiency ultranarrow
bore monolithic LC columns coupled to MS via a high-field asymmetric waveform ion …

Top-“Double-Down” Mass Spectrometry of Histone H4 Proteoforms: Tandem Ultraviolet-Photon and Mobility/Mass-Selected Electron Capture Dissociations

K Jeanne Dit Fouque, SA Miller, K Pham… - Analytical …, 2022 - ACS Publications
Post-translational modifications (PTMs) on intact histones play a major role in regulating
chromatin dynamics and influence biological processes such as DNA transcription …

Predicting differential ion mobility behaviour in silico using machine learning

C Ieritano, JL Campbell, WS Hopkins - Analyst, 2021 - pubs.rsc.org
Although there has been a surge in popularity of differential mobility spectrometry (DMS)
within analytical workflows, determining separation conditions within the DMS parameter …

Full separation and sequencing of isomeric proteoforms in the middle-down mass range using cyclic ion mobility and electron capture dissociation

F Berthias, DA Cooper-Shepherd, FHV Holck… - Analytical …, 2023 - ACS Publications
Unambiguous identification of distinct proteoforms and their biological functions is a
significant analytical challenge due to the many combinations of post-translational …

Top/Middle-Down Characterization of α-Synuclein Glycoforms

SA Miller, K Jeanne Dit Fouque, ER Hard… - Analytical …, 2023 - ACS Publications
α-Synuclein is an intrinsically disordered protein that plays a critical role in the pathogenesis
of neurodegenerative disorders, such as Parkinson's disease. Proteomics studies of human …

Top-down ion mobility separations of isomeric proteoforms

F Berthias, HA Thurman, G Wijegunawardena… - Analytical …, 2022 - ACS Publications
Continuing advances in proteomics highlight the ubiquity and biological importance of
proteoforms─ proteins with varied sequence, splicing, or distribution of post-translational …

The charge-state and structural stability of peptides conferred by microsolvating environments in differential mobility spectrometry

C Ieritano, D Rickert, J Featherstone… - Journal of the …, 2021 - ACS Publications
The presence of solvent vapor in a differential mobility spectrometry (DMS) cell creates a
microsolvating environment that can mitigate complications associated with field-induced …

Determining collision cross sections from differential ion mobility spectrometry

C Ieritano, A Lee, J Crouse, Z Bowman… - Analytical …, 2021 - ACS Publications
The experimental determination of ion-neutral collision cross sections (CCSs) is generally
confined to ion mobility spectrometry (IMS) technologies that operate under the so-called …