Contact: Michael E. Newman
National Institute of Standards and Technology (NIST)
Caption: A laboratory technician pipettes dirt dissolved in a buffer solution from which DNA will be recovered using a novel NIST/Applied Research Associates microfluidic extraction technique. The dirt, originally collected on a swab (lower section seen in vial) like those on the right, is an example of a crude sample from which DNA for human identification has typically been difficult to obtain.
Credit: Michael E. Newman, NIST
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Related news release: Dirty job made easier: Microfluidic technique recovers DNA for IDs