Comparing the interaction of vanadyl-hypocrellin A complex and hypocrellin A with CT DNA

被引：3
|
作者：
Yang, Chao [1 ]
Ma, Fei [2 ]
Tang, Jing [1 ]
Han, Lina [1 ]
Wei, Shaohua [1 ]
Zhou, Lin [1 ]
Zhou, Jiahong [1 ]
Shen, Jian [1 ]
Ge, Xuefeng [1 ]
机构：
[1] Nanjing Normal Univ, Coll Chem & Mat Sci, Anal & Testing Ctr, Jiangsu Key Lab Biofunct Mat, Nanjing 210046, Jiangsu, Peoples R China
[2] Nanjing Normal Univ, Sch Geograph Sci, Nanjing 210046, Jiangsu, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2013年 / 1036卷
基金：
中国国家自然科学基金;
关键词：
VO2+-HA complex; HA; CT DNA; UV-spectroscopy; Fluorescence spectroscopy; Zeta potential; PHOTODYNAMIC PROPERTIES; ETHIDIUM-BROMIDE; BINDING; COORDINATION; IONS; FLUORESCENCE; PROBE;
D O I：
10.1016/j.molstruc.2012.09.081
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：
Interaction studies of the vanadyl-hypocrellin A (VO2+-HA) complex and hypocrellin A (HA) with a DNA were investigated by UV Vis spectroscopy, DNA melting, fluorescence spectra and zeta potential measurements. The binding constants and binding mechanisms of HA and VO2+-HA with CT DNA had also been studied by fluorescence quenching experiments. Both spectrophotometric and DNA melting studies indicated that VO2+-HA and HA could bind to CT DNA. Thermodynamic parameters together with zeta potential studies revealed that the binding force between HA or VO2+-HA with CT DNA was hydrophobic and electrostatic force, separately. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：127 / 132
页数：6
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