"Expiration" of proprietary glass binding resins?

Paul N Hengen pnh at ncifcrf.gov
Tue Jul 28 16:08:26 EST 1998

Jim Graham (graham at biodec.wustl.edu_nospammmmmmm) wrote:

|> I don't know what's in QIAGEN's reagent, but we sell a gel-extraction 
|> kit that contains a light-sensitive reagent that will go off over time.  
| Is this light sensitive componenet an aspect of the binding resin or the
| buffer solutions?

This sounds like the NaI solution supplied with the GeneClean kit.


Paul N. Hengen, Ph.D.
National Cancer Institute
Laboratory of Experimental and Computational Biology
Frederick Cancer Research and Development Center
Frederick, Maryland 21702-1201 USA
Phone: (301) 846-5581
FAX:   (301) 846-5598
mailto:pnh at ncifcrf.gov

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