核酸碱基与儿茶酚的相互作用：紫外研究
Interactions of nucleic acid bases with catechol: UV studies.
作者信息
Al-Obeidi F A, Borazan H N
出版信息
J Pharm Sci. 1976 Jun;65(6):892-5. doi: 10.1002/jps.2600650622.
PMID:932976
Abstract
UV absorption studies on weak interactions of adenine, cytosine, thymine, and uracil with cathechol in aqueous solutions containing 0.1 N HCl gave evidence for the formation of charge transfer complexes. The absorptions of these complexes were found in the UV region at longer wavelengths than those of the pure components. It was possible to calculate various thermodynamic parameters and molar extinction coefficients at different wavelengths. The biological significance of the results is discussed.
摘要
在含有0.1N盐酸的水溶液中，对腺嘌呤、胞嘧啶、胸腺嘧啶和尿嘧啶与儿茶酚的弱相互作用进行的紫外吸收研究为电荷转移络合物的形成提供了证据。发现这些络合物的吸收出现在紫外区域中比纯组分波长更长的位置。计算出了不同波长下的各种热力学参数和摩尔消光系数。并讨论了结果的生物学意义。
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