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Biology

Duquesne University

Graduate Student Research Symposium

2021

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An Analysis Of Extraction Efficiencies Of Various Swabs On Sperm Recovery, Lindsey Campany Mar 2021

An Analysis Of Extraction Efficiencies Of Various Swabs On Sperm Recovery, Lindsey Campany

Graduate Student Research Symposium

With advancements in the DNA technology and methodology, more complete DNA profiles can be obtained. Extraction procedures and their reagents have been optimized for maximal DNA yield, but the cotton swab used and provided for sexual assault examinations has not advanced. Despite research suggesting the cotton swab’s absorbent nature and its inclination to retain cellular material, the field of forensic nursing has not yet implemented another swab.

Three swabs that this research will be evaluating are nylon flocked swabs, cotton swabs, and the cytobrush swab. The nylon flocked and cotton swabs have been studied for their efficiency, but no studies …