Author's: Class PPT

Published Online: 20240207

Collect as many samples as possible from a single source for DNA analysis.
Keep biological evidence stain concentrated/do not spread a small stain over a large substrate.
Ensure that the sample is not inadvertently mixed with other biological samples.
Wear gloves. Make sure that nothing contacts the evidence samples which contain another biological sample. Do not talk over biological evidence.
Handle the sample in a manner, which minimizes deterioration of the sample.
Air-dry the sample as fast as possible.

To obtain DNA in a relatively purified form that can be used for further investigations, i.e. PCR, sequencing, etc.

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