Journal
CHEMICAL PHYSICS LETTERS
Volume 605, Issue -, Pages 108-114Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2014.05.026
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Funding
- TMO Cancer Avesian from the Cancer Plan
- 'Grand Equipement National de Calcul Intensif./Centre Informatique National de l'Enseignement Superieur (GENCI/CINES) [cpt2130]
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Different fragmentation channels of protonated uracil (UH+) have been studied in a combined experimental and theoretical study. Various ESI mass spectrometry fragmentation spectra have been obtained by using collision induced fragmentation at increasing energy. The fragment at 85 Th was observed for a 10 eV collision energy while those at 96 and 70 Th were observed for larger collision energy, (20 eV). From the theoretical point of view, the anti and syn tautomers of uracil protonated at the O8 position have been considered. DFT calculations allowed us to describe the main dissociation channels of UH+ observed from the mass spectra. (C) 2014 Elsevier B.V. All rights reserved.
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