Binding of a Positron to Nucleic Base Molecules and Their Pairs

被引：9
|
作者：
Koyanagi, Katsuhiko [1 ]
Kita, Yukiumi [1 ]
Shigeta, Yasuteru [2 ]
Tachikawa, Masanori [1 ]
机构：
[1] Yokohama City Univ, Quantum Chem Div, Kanazawa Ku, Yokohama, Kanagawa 2360027, Japan
[2] Osaka Univ, Dept Mat Engn Sci, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
来源：
CHEMPHYSCHEM | 2013年 / 14卷 / 15期
关键词：
charge transfer; multi-component molecular orbitals; nucleic bases; positron binding; Watson-Crick base pairs; DOUBLE-RESONANCE SPECTROSCOPY; GAMMA-RAY SPECTRA; BOUND-STATES; CHARGE-TRANSFER; MONTE-CARLO; ELECTRON; DNA; ANNIHILATION; NUCLEOBASES; TRANSPORT;
D O I：
10.1002/cphc.201300549
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Hole attack: A theoretical one-electron oxidation of nucleic base molecules and their pairs by positron is proposed, based on the calculations for positron-attached neutral forms of species, adenine (A), thymine (T), guanine (G), cytosine (C), and their Watson-Crick base pairs (A-T and G-C). The results reveal that binding of a positron to neutral isolated nucleic base molecules is base-selective. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3458 / 3462
页数：5
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