弘扬国学 · 传承文化

supernatant

英 [,suːpə'neɪt(ə)nt; ,sjuː-] 美 [,sʊpɚ'netənt]

解释

adj. 浮在表面的；上层的
n. 浮层；上层清液

※ 提供单词"supernatant"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

英文词源

supernatant (adj.): "floating on the surface," 1660s, from Latin supernatantem (nominative supernatans), present participle of supernatare "to swim above," from super (see super-) + natare "to swim," frequentative of nare "to swim" (see natatorium). Related: Supernatation (1620s).

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例句和用法

1. The culture supernatant of tumor cell lines was not cytoxic.: 白血病细胞培养上清液无细胞毒作用.

2. Methods Manner plate assay, contact hemolysis and supernatant assay were used.: 方法平板检测法, 接触溶血法,上清检测法.

3. You centrifuge the solution, decant the supernatant, and discard the pellet.: 你然后对溶液离心, 慢慢倒出上清,弃沉淀.对上清液你加更多的硫酸铵.

4. Once precipitated the sample was centrifuged and the supernatant was removed.: 如有沉淀,离心样品,出去上层漂浮物.

5. Transfer the supernatant into a spin ( QIAprep ) column.: 将上清液换至( Qiaprep ) 离心管柱.