Resonant Capture of Electrons by Molecules of Uracile, Cytosene, and Their 5-Methyl- and 5-Hydroxymethyl Derivatives

M. V. Muftakhov; Муфтахов М. В.; P. F. Tuktarov; Туктаров Р. Ф.

doi:10.31857/S004445372307018X

Resonant Capture of Electrons by Molecules of Uracile, Cytosene, and Their 5-Methyl- and 5-Hydroxymethyl Derivatives

作者: Muftakhov M.¹, Tuktarov P.¹
隶属关系:
1. Institute of the Physics of Molecules and Crystals, Ufa Federal Research Center, Russian Academy of Sciences
期: 卷 97, 编号 7 (2023)
页面: 1019-1031
栏目: СТРОЕНИЕ ВЕЩЕСТВА И КВАНТОВАЯ ХИМИЯ
URL: https://journals.rcsi.science/0044-4537/article/view/136633
DOI: https://doi.org/10.31857/S004445372307018X
EDN: https://elibrary.ru/SLMRON
ID: 136633

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详细
作者简介
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补充文件
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详细

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.

关键词

mass spectrometry, resonance electron capture, negative ions, uracil, cytosine, thymine 5-methylcytosine, 5-hydroxymethyluracil, 5-hydroxymethylcytosine

作者简介

M. 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. Tuktarov

Institute of the Physics of Molecules and Crystals, Ufa Federal Research Center, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: LMSNI@anrb.ru
450075, Ufa, Russia

参考

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