Deep-lipidotyping by mass spectrometry: recent technical advances and applications

W Zhang, R Jian, J Zhao, Y Liu, Y Xia - Journal of Lipid Research, 2022 - ASBMB
In-depth structural characterization of lipids is an essential component of lipidomics. There
has been a rapid expansion of mass spectrometry methods that are capable of resolving …

High-confidence structural identification of metabolites relying on tandem mass spectrometry through isomeric identification: A tutorial

Y Song, Q Song, W Liu, J Li, P Tu - TrAC Trends in Analytical Chemistry, 2023 - Elsevier
MS/MS currently serves as the workhorse for metabolomics. Structural identification is
extremely important to correlate statistical variables to biochemical functions and …

Deep-profiling of phospholipidome via rapid orthogonal separations and isomer-resolved mass spectrometry

T Xia, F Zhou, D Zhang, X Jin, H Shi, H Yin… - Nature …, 2023 - nature.com
A lipidome comprises thousands of lipid species, many of which are isomers and isobars.
Liquid chromatography-tandem mass spectrometry (LC-MS/MS), although widely used for …

Identification of Double Bond Position Isomers in Unsaturated Lipids by m-CPBA Epoxidation and Mass Spectrometry Fragmentation

Y Feng, B Chen, Q Yu, L Li - Analytical chemistry, 2019 - ACS Publications
Lipids are highly diverse biomolecules associated with several biological functions including
structural constituent, energy storage, and signal transduction. It is essential to characterize …

On‐demand electrochemical epoxidation in nano‐electrospray ionization mass spectrometry to locate carbon–carbon double bonds

S Tang, H Cheng, X Yan - Angewandte Chemie International …, 2020 - Wiley Online Library
Reported here is the first on‐demand electrochemical epoxidation incorporated into the
standard nano‐electrospray ionization mass spectrometry (nanoESI‐MS) workflow for …

Single-cell lipidomics with high structural specificity by mass spectrometry

Z Li, S Cheng, Q Lin, W Cao, J Yang, M Zhang… - Nature …, 2021 - nature.com
Single-cell analysis is critical to revealing cell-to-cell heterogeneity that would otherwise be
lost in ensemble analysis. Detailed lipidome characterization for single cells is still far from …

Deep lipidomics and molecular imaging of unsaturated lipid isomers: a universal strategy initiated by mCPBA epoxidation

TH Kuo, HH Chung, HY Chang, CW Lin… - Analytical …, 2019 - ACS Publications
Cellular lipidome is highly regulated through lipogenesis, rendering diverse double-bond
positional isomers (C═ C isomer) of a given unsaturated lipid species. In recent years, there …

Plant monounsaturated fatty acids: Diversity, biosynthesis, functions and uses

S Kazaz, R Miray, L Lepiniec, S Baud - Progress in lipid research, 2022 - Elsevier
Monounsaturated fatty acids are straight-chain aliphatic monocarboxylic acids comprising a
unique carbon‑carbon double bond, also termed unsaturation. More than 50 distinct …

Enabling high structural specificity to lipidomics by coupling photochemical derivatization with tandem mass spectrometry

X Ma, W Zhang, Z Li, Y Xia… - Accounts of chemical …, 2021 - ACS Publications
Conspectus Lipids have pivotal roles in many biological processes, including energy
storage, signal transduction, and plasma membrane formation. A disruption of lipid …

Tandem mass spectrometry imaging enables high definition for mapping lipids in tissues

X Guo, W Cao, X Fan, Z Guo, D Zhang… - Angewandte Chemie …, 2023 - Wiley Online Library
Mass spectrometry imaging (MSI) of lipids in biological tissues is useful for correlating
molecular distribution with pathological results, which could provide useful information for …