Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 23, Issue 22, Pages 3563-3569Publisher
WILEY
DOI: 10.1002/rcm.4285
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Funding
- University of Warwick for funding (JAL) [COST D39]
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We report the development of an enhanced algorithm for the calculation of collision cross-sections in combination with Travelling-Wave ion mobility mass spectrometry technology and its optimisation and evaluation through the analysis of an organoruthenium anticancer complex [(eta(6)-biphenyl)Ru-II(en)Cl](+). Excellent agreement was obtained between the experimentally determined and theoretically determined collision cross-sections of the complex and its major product ion formed via collision-induced dissociation. Collision cross-sections were also experimentally determined for adducts of this ruthenium complex with the single-stranded oligonucleotide hexamer d(CACGTG). Ion mobility tandem mass spectrometry measurements have allowed the binding sites for ruthenium on the oligonucleotide to be determined. Copyright (D) 2009 John Wiley & Sons, Ltd.
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