FT-Raman Spectroscopy of Heavy Metal-Nucleotide Complexes

被引：0
|
作者：
Iyandurai, N. [1 ]
Senthil, K. [1 ]
Sarojini, R. [1 ]
机构：
[1] Kongunadu Arts & Sci Coll, Dept Phys, Coimbatore 641029, Tamil Nadu, India
来源：
ASIAN JOURNAL OF CHEMISTRY | 2009年 / 21卷 / 06期
关键词：
Interaction; FT-Raman spectrum; DNA; Metal ions; NUCLEIC-ACIDS; ION-BINDING; RIBONUCLEIC ACID; DNA; NUCLEOSIDES; PHOSPHATE; PROTON; MODEL;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
FT-Raman spectroscopic study was made on an interaction between deoxyguanosine S'-monophosphate (dGMP) and Cd(2+) and Cu(2+) in an aqueous solution with various metal ion concentrations. The spectrum reveals that both the ions bind to the phosphate groups. The spectral changes observed for the vibrations of deoxy ribose moiety near 844 cm(-1) in Cd-dGMP complexes shows that the C2'-endo/anti conformation is completely eliminated at higher concentration (r=1) whereas in Cu-dGMP complex the glygosyl bond shows more flexibility. Spectral changes are also observed for the guanine base vibration and the mode of interaction is discussed in detail.
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收藏
页码：4241 / 4245
页数：5
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