Description:
This web site is part of the President's DNA Initiative and is devoted to the methodology for the extraction and quantification of DNA obtained from crime scene evidence. The site is designed as an on-line short course. The site identifies potential obstacles in the collection, extraction, and amplification of DNA. Extraction methods covered are organic, Chelex, and other extraction procedures. The site reviews inhibitors of the polymerase chain reaction (PCR) process and suggests methods for separating these inhibitors from the sample DNA. The advantages and disadvantages of commonly used methods for DNA are reviewed. The user must register and secure a readily obtainable password prior to entering the site.
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