方法：采用改良CTAB法从忍冬叶片中提取DNA，通过琼脂糖凝胶电泳、紫外分光光度法、酶切检测其质量，并与常规CTAB法比较。
Method:Two different methods, conventional CTAB method and modified CTAB method, were applied to extract genomic DNA from leaves of Lonicera japonica Thunb.
方法：通过DNA结合溴乙锭后的荧光损失和DNA琼脂糖凝胶电泳的迁移率来测定dna的损伤程度。
Methods: DNA damage was measured by the loss of fluorescence after DNA binding to ethidium bromide and by the increased DNA mobility in agarose gel electrophoresis.
经琼脂糖凝胶电泳分析载体与DNA结合力，并通过紫外分光光度计检测其载药量和包埋率；
The potential of adsorbing DNA on nanoparticles was analyzed by agarose gel electrophoresis and spectrophotometer.
经琼脂糖凝胶电泳分析载体与DNA结合力，并通过紫外分光光度计检测其载药量和包埋率；
The potential of adsorbing DNA on nanoparticles was analyzed by agarose gel electrophoresis and spectrophotometer.
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