ArticleElectrophoresis2023
In-line sample trap columns with diatomite for large-volume injection in CZE-IM-MS.
Article in Electrophoresis, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- In-line sample trap columns with diatomite for large-volume injection in CZE-IM-MS.Electrophoresis · 2023Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The analysis of low-abundant compounds with capillary zone electrophoresis-drift-tube ion mobility spectrometry-mass spectrometry (CZE-DTIMS-MS) is compromised due to the low injectable sample volumes in CZE and low duty cycle in DTIMS. Fritless packed in-line trap columns, using solid-phase extraction sorbent particles, have been used to increase injection volumes in CZE, but these columns are difficult to prepare and exhibit rapidly increasing back pressures. To provide smooth and complete filling of trap columns as well as to ensure higher and sustained flow rates though the columns, blends of cation and anion exchange particles with diatomite were used. The application of diatomite blends ensured the use of trap columns for at least 100 injections, with maximum injection volumes over 10 µl, which corresponds to an enrichment factor of more than 1000 over conventional injections in CZE-MS, enabling the detection of low nM concentrations of N-glycans with CZE-IMS-MS.
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