"Expiration" of proprietary glass binding resins?

[Paul N Hengen]

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.

--
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
http://www-lecb.ncifcrf.gov/~pnh/
mailto:pnh at ncifcrf.gov