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A sort of Meliorative Method for Testing DNA from Sperm Smear
Author(s): SUN Yaodong, REN Hong, CHEN Yueyong
Pages: 202-
204
Year: 2004
Issue:
4
Journal: JOURNAL OF FORENSIC MEDICINE
Keyword: 精斑涂片; DNA提取; STR分型;
Abstract: 目的建立一种有效的精斑涂片DNA检验方法.方法以本实验室平时积累的91例精斑涂片为研究对象,采用chelex法提取,结合硅珠法纯化浓缩,提高DNA浓度后进行PCR扩增和STR分型.结果尽管涂片上精子量较少,但chelex法的DNA提取率较高,且硅珠法可以纯化并浓缩模板DNA,本文建立的方法兼具了这两种提取方法的优点,成功率较高.结论精斑涂片可以作DNA检验,在法医检案中具有较高的应用价值.
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