Researcher reveals new way to safeguard forensic dna samples against contamination
Monday, April 29, 2013 - 21:30
in Biology & Nature
DNA evidence is invisible and remarkably easy to transfer, making it possible for a sample to be spilled or even planted on a piece of evidence. Scientists have now developed a solution that permanently marks DNA samples to prevent contamination. Hampikian has used nullomers, the smallest DNA sequences that are absent from nature, to create the DNA bar code.