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Internal quality control in forensic DNA analysis
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, The Institute of Technology. SKL, The Swedish National Laboratory of Forensic Science, Linköping, Sweden .
2013 (English)In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 18, no 4, 279-289 p.Article in journal (Refereed) Published
Abstract [en]

The trail from initial evidence examination to a DNA profile reported to match a suspect is long and complex. The different nature and great variability in the biological and DNA evidence to be recovered and analyzed, add to this complexity. Internal quality controls play an important role in maintaining a high-quality performance in daily forensic biology and DNA profiling practice. In many cases are empirical rather than analytical approaches adopted. Obviously, despite the fact of being necessary, the internal quality controls performed still need to be kept rational at a limited, yet acceptable level. Quality control from a forensic biology and DNA profiling horizon has a wider context and does not only concern obvious fit-for-purpose verifications of analytical processes, chemicals, or reagents in daily routine practice. It also includes control on computerized laboratory management and expert systems, laboratory environmental DNA monitoring, and the use of elimination DNA databases. In addition, a structured recording and handling of non-conformances and “near failures” is essential. Proper management of the non-conformances supports continuous quality improvements by learning from the errors occurring in daily practice. High transparency of non-conformances is important not only for internal improvements, but also for the criminal justice system as well as to maintain public confidence and trust. Together the quality controls used aim at maintaining evidence and DNA sample integrity and to accomplish correct results and interpretations by verifying that methods used data transfers and interpretations made are correct and performed according to validated and accredited conditions.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2013. Vol. 18, no 4, 279-289 p.
Keyword [en]
Internal quality control, Forensic science, DNA analysis, ISO/IEC 17025
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-96746DOI: 10.1007/s00769-013-0968-9ISI: 000322257300004OAI: diva2:643183
Available from: 2013-08-26 Created: 2013-08-26 Last updated: 2013-09-17Bibliographically approved

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Ansell, Ricky
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