The effect of freezing, thawing and long-term storage on forensic DNA extracts

In this study the effects of freezing and thawing as well as long-term storage of DNA extracts in refrigerator or freezer have been investigated. The following sample types were extracted: two levels of blood and saliva, saliva on cigarette filter paper, saliva on cotton swabs and a combination of saliva and semen to mimic samples from sexual assaults.
Source: Forensic Science International: Genetics Supplement Series - Category: Forensic Medicine Authors: Source Type: research