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Bernigaud, Virgile; Cederquist, Henrik; Haag, Nicole; Holm, Anne I. S.; Huber, Bernd A.; Hvelplund, Preben; Kadhane, Umesh; Larsen, Mikkel Koefoed; Manil, Bruno; Nielsen, Steen Brøndsted; Panja, Subhasis; Ptasińska, Sylwia; Rangama, Jimmy; Reinhed, Peter; Schmidt, Henning T.; Streletskii, Alexey V.; Støchkel, Kristian; Worm, Esben S. and Zettergren, Henning
(2008).
DOI: https://doi.org/10.1016/j.ijms.2008.05.004
Abstract
The fragmentation of doubly protonated AK dipeptide ions has been investigated after collisional electron transfer. Electron capture leads to three dominant channels, H loss, NH3 loss, and N–C? bond breakage to give either c+ or z+ fragment ions. The relative importance of these channels has been explored as a function of ion velocity, the degree of complexation with crown ether, and collision gas. Our results indicate that H loss and NH3 loss are competing channels whereas the probability of N–C? bond breakage is more or less constant.
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- Item ORO ID
- 15138
- Item Type
- Journal Item
- ISSN
- 1387-3806
- Project Funding Details
-
Funded Project Name Project ID Funding Body Not Set Not Set European Project ITS LEIF (RII3/026015) Not Set Not Set Danish Natural Science Research Council [grant numbers 21-04-0514 and 272-06-0427] Not Set Not Set Carlsbergfondet [grant number 2006-01-0229] Not Set Not Set Lundbeckfonden - Extra Information
- Some of the characters in the abstract are superscript and subscript but have not reproduced correctly. To view an accurate version of the abstract please see the publisher's version by clicking on the DOI URL.
- Keywords
- electron capture-induced dissociation; dipeptide; collision gas; electronically excited state
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Depositing User
- Astrid Peterkin