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ULTRAVIOLET RESONANCE RAMAN-SPECTRA OF ADENINE, URACIL AND THYMINE DERIVATIVES IN SEVERAL SOLVENTS - CORRELATION BETWEEN BAND FREQUENCIES AND HYDROGEN-BONDING STATES OF THE NUCLEIC-ACID BASES
被引:68
|作者:
TOYAMA, A
[1
]
TAKEUCHI, H
[1
]
HARADA, I
[1
]
机构:
[1] TOHOKU UNIV,INST PHARMACEUT,SENDAI,MIYAGI 980,JAPAN
关键词:
D O I:
10.1016/0022-2860(91)87129-6
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:
Ultraviolet resonance Raman spectra (266-nm excitation) were studied for adenine, uracil and thymine derivatives in several solvents at low concentrations (0.5-10 mM) where hydrogen bonding between solute molecules is negligible. The Raman spectral patterns depend critically on the proton-accepting/donating properties of the solvents. Raman bands which show large solvent effects are expected to be useful in studying the hydrogen-bonding states of the nucleic acid bases.
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页码:87 / 98
页数:12
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