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Resonant Capture of Electrons by Molecules of Uracile, Cytosene, and Their 5-Methyl- and 5-Hydroxymethyl Derivatives
- Authors: Muftakhov M.V.1, Tuktarov P.F.1
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Affiliations:
- Institute of the Physics of Molecules and Crystals, Ufa Federal Research Center, Russian Academy of Sciences
- Issue: Vol 97, No 7 (2023)
- Pages: 1019-1031
- Section: СТРОЕНИЕ ВЕЩЕСТВА И КВАНТОВАЯ ХИМИЯ
- Submitted: 27.02.2025
- Published: 01.07.2023
- URL: https://medjrf.com/0044-4537/article/view/668709
- DOI: https://doi.org/10.31857/S004445372307018X
- EDN: https://elibrary.ru/SLMRON
- ID: 668709
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Abstract
A study is performed of electron-induced reactions with uracil, thymine, 5-hydroxymethyluracil, cytosine, 5-methylcytosine, and 5-hydroxymethylcytosine. The processes responsible for the formation of negative ions in the studied objects are identified. Features of the formation of the mass spectra of hydroxymethyl derivatives are associated with the abstraction and destruction of substituents. The cross sections of [M–H]− ions are determined in the <3 eV range of energies: (1.1–2.6) × 10−18 cm2 for uracils and (3.6–5.0) × 10−19 cm2 for cytosines.
About the authors
M. V. Muftakhov
Institute of the Physics of Molecules and Crystals, Ufa Federal Research Center, Russian Academy of Sciences
Email: LMSNI@anrb.ru
450075, Ufa, Russia
P. F. Tuktarov
Institute of the Physics of Molecules and Crystals, Ufa Federal Research Center, Russian Academy of Sciences
Author for correspondence.
Email: LMSNI@anrb.ru
450075, Ufa, Russia
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