Articles with "asymmetric ion" as a keyword



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Helium-assisted enhanced discharge in a hollow needle for high-field asymmetric ion mobility spectrometry (FAIMS)

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Published in 2021 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-021-03250-6

Abstract: A carrier gas mixture of nitrogen and helium has been employed to improve the resolving power at the expense of sensitivity for planar high-field asymmetric ion mobility spectrometry (FAIMS) in previous work. In this paper,… read more here.

Keywords: ion; high field; asymmetric ion; field asymmetric ... See more keywords
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Deeper Protein Identification Using Field Asymmetric Ion Mobility Spectrometry in Top-Down Proteomics.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c00402

Abstract: Field asymmetric ion mobility spectrometry (FAIMS), when used in proteomics studies, provides superior selectivity and enables more proteins to be identified by providing additional gas-phase separation. Here, we tested the performance of cylindrical FAIMS for… read more here.

Keywords: protein; spectrometry; ion mobility; identification ... See more keywords