Ionization and fragmentation of DNA, RNA bases induced by proton impact

We present recent results obtained in the Toulouse's group that deal with proton to base and nucleoside interactions. We stress the weakness of the sugar part in the nucleoside, i.e. the uridine molecule under scrutiny. Since some parts of the fragmentation spectrum correspond to the fragmentat...

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Bibliographic Details
Published in:Journal of physics. Conference series 2008-02, Vol.101 (1), p.012007
Main Authors: Padellec, A Le, Moretto-Capelle, P, Richard-Viard, M, Champeaux, J P, Cafarelli, P
Format: Article
Language:English
Subjects:
Fragmentation
Nucleosides
Physics
Proton impact
Ribonucleic acid
RNA
Uracil
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Summary:We present recent results obtained in the Toulouse's group that deal with proton to base and nucleoside interactions. We stress the weakness of the sugar part in the nucleoside, i.e. the uridine molecule under scrutiny. Since some parts of the fragmentation spectrum correspond to the fragmentation of a ‘pure’ uracil molecule, i.e. the RNA base, an ‘additivity rule’ seems to prevail for the nucleoside, something that still has to be confirmed. Moreover, some results that deal with the secondary electronic emission from uracil are also displayed.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/101/1/012007