UNSPECIFIED (1997) Low- and high-energy collision-induced dissociation of pyridinoline and deoxypyridinoline ions using Fourier transform ion cyclotron resonance electrospray and liquid secondary-ion magnetic sector mass spectrometry. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES, 160 (1-3). pp. 377-386. ISSN 0168-1176

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Abstract

The trifunctional collagen cross-link molecules pyridinoline and deoxypyridinoline have been structurally characterised by (1) low-energy collision-induced dissociation (CID) (E-COM approximate to 15 eV) using Fourier transform ion cyclotron resonance electrospray ionisation mass spectrometry (FT-ICR-ESI-MS), and (2) high-energy collision-induced dissociation (E-COM approximate to 400 eV) using liquid secondary-ion mass spectrometry (LSIMS) on a four-sector mass spectrometer. Both ESI and LSIMS ionisation readily produce the naturally occurring parent cations, although the LSIMS ionisation method is somewhat hampered by background ions from the matrix. Low-energy or high-energy collision-induced dissociation produces structurally informative fragmentations. The observed fragmentation patterns in the low- and high-energy CID spectra are, however, strikingly different. Both low- and high-energy CID are structurally informative and appear to be complementary the characterisation of collagen cross-link molecules. (C) 1977 Elsevier Science B.V.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0168-1176
Date:	January 1997
Volume:	160
Number:	1-3
Number of Pages:	10
Page Range:	pp. 377-386
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/17843

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