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Determination of end groups of synthetic polymers by matrix-assisted laser desorption/ionization:  high-energy collision-induced dissociation.

作者信息

Bottrill A R, Giannakopulos A E, Waterson C, Haddleton D M, Lee K S, Derrick P J

机构信息

Institute of Mass Spectrometry and Department of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom.

出版信息

Anal Chem. 1999 Sep 1;71(17):3637-41. doi: 10.1021/ac990523t.

DOI:10.1021/ac990523t
PMID:21662872
Abstract

Matrix-assisted laser desorption/ionization has been combined with high-energy collision-induced dissociation for the analysis of poly(ethylene glycols) with butanoyl, benzoyl and acetyl end groups, using novel technology comprising a magnetic-sector mass spectrometer and ion buncher with an in-line quadratic-field ion mirror. High-energy (>8 keV) collision-induced dissociation facilitated unambiguous end-group determination of these polymers, providing masses of end groups and structural information. The high-energy collision-induced dissociation also provided information regarding repeat units.

摘要

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