Instrumentation at the leading edge of proteomics
The proteome, or collection of proteoforms expressed in a biological system, is dynamic and
heterogeneous. As our appreciation for the complexity of the proteome has evolved, so have …
heterogeneous. As our appreciation for the complexity of the proteome has evolved, so have …
Tandem-trapped ion mobility spectrometry/mass spectrometry (t TIMS/MS): a promising analytical method for investigating heterogenous samples
Ion mobility spectrometry/mass spectrometry (IMS/MS) is widely used to study various levels
of protein structure. Here, we review the current state of affairs in tandem-trapped ion …
of protein structure. Here, we review the current state of affairs in tandem-trapped 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 …
chromatin dynamics and influence biological processes such as DNA transcription …
Trapped ion mobility spectrometry, ultraviolet photodissociation, and time-of-flight mass spectrometry for gas-phase peptide isobars/isomers/conformers discrimination
SA Miller, K Jeanne Dit Fouque… - Journal of the …, 2022 - ACS Publications
Trapped ion mobility spectrometry (TIMS) when coupled with mass spectrometry (MS) offers
great advantages for the separation of isobaric, isomeric, and/or conformeric species. In the …
great advantages for the separation of isobaric, isomeric, and/or conformeric species. In the …
Top-down protein analysis by tandem-trapped ion mobility spectrometry/mass spectrometry (tandem-TIMS/MS) coupled with ultraviolet photodissociation (UVPD) and …
“Top-down” proteomics analyzes intact proteins and identifies proteoforms by their intact
mass as well as the observed fragmentation pattern in tandem mass spectrometry (MS/MS) …
mass as well as the observed fragmentation pattern in tandem mass spectrometry (MS/MS) …
Elucidating Structures of Protein Complexes by Collision-Induced Dissociation at Elevated Gas Pressures
Ion activation methods carried out at gas pressures compatible with ion mobility separations
are not yet widely established. This limits the analytical utility of emerging tandem-ion …
are not yet widely established. This limits the analytical utility of emerging tandem-ion …
Developments in trapped ion mobility mass spectrometry to probe the early stages of peptide aggregation
A Depraz Depland, I Stroganova… - Journal of the …, 2023 - ACS Publications
Ion mobility mass spectrometry (IM-MS) has proven to be an excellent method to
characterize the structure of amyloidogenic protein and peptide aggregates, which are …
characterize the structure of amyloidogenic protein and peptide aggregates, which are …
Enhancing the depth of analyses with next-generation ion mobility experiments
BP Zercher, TA Gozzo, AC Wageman… - Annual Review of …, 2023 - annualreviews.org
Recent developments in ion mobility (IM) technology have expanded the capability to
separate and characterize gas-phase ions of biomolecules, especially when paired with …
separate and characterize gas-phase ions of biomolecules, especially when paired with …
Differentiation of Isomeric, Nonseparable Carbohydrates Using Tandem-Trapped Ion Mobility Spectrometry–Mass Spectrometry
Carbohydrates play important roles in biological processes, but their identification remains a
significant analytical problem. While mass spectrometry has increasingly enabled the …
significant analytical problem. While mass spectrometry has increasingly enabled the …
Characterizing the top-down sequencing of protein ions prior to mobility separation in a timsTOF
KA Graham, CF Lawlor, NB Borotto - Analyst, 2023 - pubs.rsc.org
Mass spectrometry (MS)-based proteomics workflows of intact protein ions have increasingly
been utilized to study biological systems. These workflows, however, frequently result in …
been utilized to study biological systems. These workflows, however, frequently result in …