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removing stamps and opening sealed envelopes

Posted: Sun Mar 01, 2015 7:54 am
by sandylj
Hello,
I am looking to remove stamps and open sealed envelopes to fingerprint the underside. If no identifiable prints are located, then I want to send it off for DNA analysis.
Steaming can degrade DNA, soaking can dilute it, so my question is - how do you remove stamps or open envelopes without damaging possible prints, or degrading potential DNA.
thank-you for any help
-Sandy

Re: removing stamps and opening sealed envelopes

Posted: Mon Mar 02, 2015 10:19 am
by NRivera
We use Un-du to remove most adhesives including stamps and envelopes, but we don't send much for DNA. The adhesive remover evaporates rather quickly. http://www.un-du.com/

Re: removing stamps and opening sealed envelopes

Posted: Mon Mar 02, 2015 10:53 am
by Bill Schade
I would try freezing it with Liquid Nitrogen.
Amazing stuff and it leaves no residue.

Re: removing stamps and opening sealed envelopes

Posted: Thu Mar 12, 2015 10:47 am
by sandylj
Thanks for the suggestions
-s