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The Impact of Area Size and Fabric Type on Touch DNA Collected from Fabric

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Alketbi, Salem Khalifa ORCID: 0000-0002-7773-3953 and Goodwin, William H ORCID: 0000-0002-3632-3552 (2022) The Impact of Area Size and Fabric Type on Touch DNA Collected from Fabric. journal of forensic sciences & criminal investigation, 16 (1). 01-05.

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Official URL: https://juniperpublishers.com/jfsci/volume16-issue...

Abstract

Trace DNA is commonly found at crime scenes and is often collected from the victim’s clothing in cases of sexual assault, homicide, and theft, typically by tape lifting. This study investigated the influence of area size and fabric type on the Touch DNA collected from fabric. The amount of collected Touch DNA from the fabric was significantly affected by fabric type (p < 0.05) and the interaction between fabric size and collection type (p < 0.05). More trace DNA was recovered from fabric containing a high percentage of polyester than 100% woven cotton. Minitapes were very effective for sampling Touch DNA from small areas of fabric but equally effective to cotton swabs for larger areas.

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CORE (COnnecting REpositories)