1. Txheeb xyuas qhov nqus ntawm RNA tov Absorbance ntawm 280, 320, 230, thiab 260 nm sawv cev rau cov txiaj ntsig ntawm nucleic acid, keeb kwm yav dhau (kev daws teeb meem), ntsev concentration, thiab cov khoom organic xws li protein, raws li.Feem ntau tsuas saib OD260/OD280 (Ratio, R).W...
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