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Aberrant sterol lipid metabolism is associated with physiological dysfunctions in the aging brain and aging-dependent disorders such as neurodegenerative diseases. There is an unmet demand to comprehensively profile sterol lipids spatially and temporally in different brain regions during aging. Here...
2021-05-24 | MTBLS2457 | MetaboLights

Archaea are differentiated from the other two domains of life by their biomolecular characteristics. One such characteristic is the unique structure and composition of their lipids. Characterization of the whole set of lipids in a biological system (the lipidome) remains technologically challengi...

2021-12-16 | MTBLS3714 | MetaboLights

The metabolome includes not just known but also unknown metabolites; however, metabolite annotation remains the bottleneck in untargeted metabolomics. Ion mobility – mass spectrometry (IM-MS) has emerged as a promising technology by providing multi-dimensional characterizations of metabolites. He...

2020-07-28 | MTBLS1622 | MetaboLights

The metabolome includes not just known but also unknown metabolites; however, metabolite annotation remains the bottleneck in untargeted metabolomics. Ion mobility – mass spectrometry (IM-MS) has emerged as a promising technology by providing multi-dimensional characterizations of metabolites. He...

2020-07-28 | MTBLS1693 | MetaboLights
Liquid chromatography (LC) separates biomolecules based on their physicochemical properties. Reproducible retention times support compound identification, while efficient separation of structurally similar compounds is essential for accurate quantification. However, conventional LC methods are often...
2026-06-30 | MTBLS14813 | MetaboLights

The widespread use of a large number of chemicals results in a significant exposure of humans and the environment, posing potential risks to human health and ecosystems. To assess the exposure to chemical mixtures, screening applications covering a large number of analytes based on liquid chromat...

2025-10-14 | MTBLS11753 | MetaboLights
Two-dimensional separation by nano-LC and trapped ion mobility spectrometry (TIMS) prior to Q-TOF tandem mass spectrometry significantly improves the accuracy of isobaric tag-based quantitation in proteome analysis without the need for additional measurement time for TIMS insertion. The obtained pea...
ORGANISM(S): Cellular Organisms 
Here we present a parallel accumulation-mobility aligned fragmentation (PAMAF) mode that expands the capabilities of the MOBILion® Systems MOBIE® high-resolution ion mobility (HRIM) system for mass spectrometry-based proteomics. The MOBIE system leverages structures for lossless ion manipulation (S...
ORGANISM(S): Homo sapiens (Human) 
2026-07-11 | PXD068773 | Pride
Recent advances in ion mobility spectrometry (IMS) have illustrated its power in the structural characteristics of a molecule, especially when coupled with other separations dimensions such as liquid chromatography (LC) and mass spectrometry (MS). However, these three separation techniques together ...
ORGANISM(S): Bos Taurus Saccharomyces Cerevisiae 
We investigated if additional peptide purification by traveling wave ion mobility separation (TWIMS) can reduce precursor contamination using a mixture of S. cerevisiae and HeLa proteomes. In accordance with previous reports on FAIMS-Orbitrap instruments, we find that TWIMS provides a remarkable imp...
ORGANISM(S): Homo sapiens (Human) Saccharomyces cerevisiae (Baker's yeast) 
2014-06-10 | PXD001047 | Pride
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