alexa Forensic trace DNA: a review.
General Science

General Science

Journal of Forensic Research

Author(s): van Oorschot RA, Ballantyne KN, Mitchell RJ, van Oorschot RA, Ballantyne KN, Mitchell RJ

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Abstract DNA analysis is frequently used to acquire information from biological material to aid enquiries associated with criminal offences, disaster victim identification and missing persons investigations. As the relevance and value of DNA profiling to forensic investigations has increased, so too has the desire to generate this information from smaller amounts of DNA. Trace DNA samples may be defined as any sample which falls below recommended thresholds at any stage of the analysis, from sample detection through to profile interpretation, and can not be defined by a precise picogram amount. Here we review aspects associated with the collection, DNA extraction, amplification, profiling and interpretation of trace DNA samples. Contamination and transfer issues are also briefly discussed within the context of trace DNA analysis. Whilst several methodological changes have facilitated profiling from trace samples in recent years it is also clear that many opportunities exist for further improvements.
This article was published in Investig Genet and referenced in Journal of Forensic Research

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