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

页码：3458 / 3462

页数：5

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