Proteomics

Dataset Information

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Mitigating in-column artificial modification in HTLC for bottom-up proteomics and quality control of biopharmaceuticals


ABSTRACT: The study aimed to investigate the effect of an additional short trap column installed upstream of the separation column on the in-column artificial modification and separation performance in high-temperature LC-MS analyses of peptides.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Homo Sapiens (human) Francisella Tularensis Subsp. Holarctica (strain Lvs)

SUBMITTER: Juraj Lenco  

LAB HEAD: Dr Juraj

PROVIDER: PXD052716 | Pride | 2024-09-11

REPOSITORIES: Pride

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Publications

Mitigating In-Column Artificial Modifications in High-Temperature LC-MS for Bottom-Up Proteomics and Quality Control of Protein Biopharmaceuticals.

Starovoit Mykyta R MR   Jadeja Siddharth S   Gazárková Taťána T   Lenčo Juraj J  

Analytical chemistry 20240828 36


Elevating the column temperature is an effective strategy for improving the chromatographic separation of peptides. However, high temperatures induce artificial modifications that compromise the quality of the peptide analysis. Here, we present a novel high-temperature LC-MS method that retains the benefits of a high column temperature while significantly reducing peptide modification and degradation during reversed-phase liquid chromatography. Our approach leverages a short inline trap column m  ...[more]

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