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The Effect of Time and Environmental Conditions on Touch DNA

Alketbi, S.K., Goodwin, W. (2019) The effect of time and environmental conditions on Touch DNA. Forensic Science International. Genetics Supplement Series, 7(1): 701−703.

5 Pages Posted: 9 Mar 2023

See all articles by Salem K Alketbi

Salem K Alketbi

Dubai Police - General Department of Forensic Science and Criminology; University of Central Lancashire

W Goodwin

University of Central Lancashire

Date Written: October 19, 2019

Abstract

Touch DNA analysis has become an important aspect of a forensic laboratory’s workload and a crucial tool for investigators in many cases. However, there is a lack of research regarding the influence of environmental conditions on Touch DNA, which is proven to reduce traces of biological material in samples. This study investigated the influence of time between deposition and recovery of Touch DNA, as well as the impact of temperature and humidity on a range of porous and non-porous surfaces.

Keywords: Forensic science, Trace DNA, Touch DNA, DNA recovery, PrepFiler Express BTA, AutoMate Express, Quantifiler™ Human DNA Quantification Kit

Suggested Citation

Alketbi, Salem K and Goodwin, W, The Effect of Time and Environmental Conditions on Touch DNA (October 19, 2019). Alketbi, S.K., Goodwin, W. (2019) The effect of time and environmental conditions on Touch DNA. Forensic Science International. Genetics Supplement Series, 7(1): 701−703., Available at SSRN: https://ssrn.com/abstract=4368481 or http://dx.doi.org/10.2139/ssrn.4368481

Salem K Alketbi (Contact Author)

Dubai Police - General Department of Forensic Science and Criminology ( email )

Dubai
United Arab Emirates

University of Central Lancashire ( email )

Preston
United Kingdom

W Goodwin

University of Central Lancashire ( email )

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