Recovery of salivary DNA from the skin after showering

Shane Williams, Edward Panacek, William Green, Sreetharan Kanthaswamy, Christopher Hopkins

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Purpose After sexual assault there is a limited amount of time before the DNA evidence on the surface of the victim’s body is not recoverable. During an assault, the offender may leave saliva on the victim’s skin. Traditional examination methods use a swabbing technique to collect saliva for DNA testing. Victim activity, especially hygiene activity such as showering, may negatively affect DNA recovery. Methods In this experiment, we compared two techniques for recovery of salivary DNA from the skin’s surface after a victim showers. We compared the traditional swabbing method to a ‘‘wet-vacuum’’ method using the M-Vac

Original languageEnglish (US)
Pages (from-to)29-34
Number of pages6
JournalForensic Science, Medicine, and Pathology
Issue number1
StatePublished - 2015
Externally publishedYes


  • DNA collection
  • M-Vac
  • Sexual assaul
  • Y-STRs

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medicine(all)


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