采用紫外可见分光光度法检测了DNA的纯度，采用荧光滴定法研究了铅离子对DNA构象的影响。
The purity of DNA was detected by UV-vis spectrophotometry and the influence of lead ions on DNA conformation was researched by fluorescence titration.
用AAP滴定红细胞膜，测蛋白质自身荧光变化。
The membrane was also titrated with AAP by measuring the intrinsic fluorescence of protein.
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