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单词 Hyperchromic effect
释义

Hyperchromic effect

英语百科

Hyperchromicity

(重定向自Hyperchromic effect)
Nucleic acid melting curve showing hyperchromicity as a function of temperature

Hyperchromicity is the increase of absorbance (optical density) of a material. The most famous example is the hyperchromicity of DNA that occurs when the DNA duplex is denatured. The UV absorption is increased when the two single DNA strands are being separated, either by heat or by addition of denaturant or by increasing the pH level. The opposite, a decrease of absorbance is called hypochromicity.

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更新时间:2025/6/17 9:05:26