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Comparative research of the influence factors of DNA extraction of bloodstain on the filter paper with Chelex-100 method
Author(s): 
Pages: 347-348
Year: Issue:  5
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  滤纸血痕Chlex-100法DNA提取比较研究;
Abstract: 目的 改进滤纸血痕DNA提取方法,建立更简便、廉价,适合当前DNA建库需要的提取方法.方法 将752份滤纸血痕分成四组.分别按照四种不同的Chelex-100法进行DNA提取并进行比较研究;63份新鲜血痕分别按照两种方法提取并进行对比研究.结果 对于陈旧滤纸血痕,四种提取方法的检测成功率无显著差异(P>0.05);对于新鲜血痕,两种提取方法的检测成功率有显著差异(P<0.05).结论 对于建库陈旧滤纸血痕样本的DNA提取可采用不加纯水处理,直接加入Chelex-100的方法进行.
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