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

Abstract : 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.
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https://hal.archives-ouvertes.fr/hal-00949135
Contributor : Nicolas Elefantis Connect in order to contact the contributor
Submitted on : Wednesday, February 19, 2014 - 10:56:23 AM
Last modification on : Tuesday, October 19, 2021 - 11:17:46 PM

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Arnaud Le Padellec, Patrick Moretto-Capelle, Martine Richard-Viard, Jean-Philippe Champeaux, Pierre Cafarelli. Ionization and fragmentation of DNA, RNA bases induced by proton impact. Journal of Physics: Conference Series, IOP Publishing, 2008, 101, pp.012007. ⟨10.1088/1742-6596/101/1/012007⟩. ⟨hal-00949135⟩

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