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首页> 外文期刊>Journal of forensic sciences. >Trace DNA: a review, discussion of theory, and application of the transfer of trace quantities of DNA through skin contact.
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Trace DNA: a review, discussion of theory, and application of the transfer of trace quantities of DNA through skin contact.

机译:痕量DNA:回顾,理论讨论和通过皮肤接触转移痕量DNA的应用。

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摘要

Advances in STR PCR DNA profiling technology allow for the analysis of minute quantities of DNA. It is frequently possible to obtain successful DNA results from cellular material transferred from the skin of an individual who has simply touched an object. Handling objects, such as weapons or other items associated with a crime, touching surfaces, or wearing clothing, may represent sufficient contact to transfer small numbers of DNA bearing cells, or trace DNA, which can be successfully analyzed. With this minimal amount of contact required to yield a suspect profile comes tremendous crime solving potential, and a number of considerations for prudent application, and the maximization of evidentiary value. Evidentiary materials not previously considered must be recognized and preserved, and the resulting DNA type profiles interpreted in their proper forensic context.
机译:STR PCR DNA分析技术的进步允许对微量DNA进行分析。通常可以从仅接触物体的个体的皮肤中转移的细胞物质中获得成功的DNA结果。处理物体(例如与犯罪有关的武器或其他物品,接触表面或穿着衣服)可能表示足够的接触,以转移少量可成功分析的DNA携带细胞或痕量DNA。产生嫌疑人档案所需的最少联系数量带来了巨大的犯罪解决潜力,审慎应用的诸多考虑因素以及证据价值的最大化。必须识别和保存以前未考虑的证据材料,并在其适当的法医环境中解释所得的DNA类型概况。

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