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单词 hyperchromism
释义

hyperchromism

英汉-汉英词典
n. 皮肤过黑,细胞染色特深
词组 | 习惯用语
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  • hyperglycemia n. 多糖症,高血糖症
  • hyperthyroidism n. 甲状腺机能亢进
  • hypothyroidism n. 甲状腺机能减退
  • chromaticism n. 半音音阶之使用;富有半音音阶的音乐作风
hyperchromism [分子生物] 增色性; 细胞染色特深;
英语百科

Hyperchromicity

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 14:45:34