Analysis of Fragmentation Pathways of Peptide Modified with Quaternary Ammonium and Phosphonium Group as Ionization Enhancers
Peptide modification by a quaternary ammonium group containing a permanent positive charge is a promising method of increasing the ionization efficiency of the analyzed compounds, making ultra-sensitive detection even at the attomolar level possible. Charge-derivatized peptides may undergo both char...
Main Authors: | Monika Kijewska, Dorota Gąszczyk, Remigiusz Bąchor, Piotr Stefanowicz, Zbigniew Szewczuk |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-11-01
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Series: | Molecules |
Subjects: | |
Online Access: | https://www.mdpi.com/1420-3049/26/22/6964 |
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