"recycling" Qiagen plasmid prep columns

the End jgraham at bronze.ucs.indiana.edu
Fri Sep 22 15:05:39 EST 1995


> The patent that describes the Qiagen material and process:

> US Patent 5,057,426
> October 15, 1991
> Method for separating long-chain nucleic acids.

Can someone with access to this information please forward a 
description of the matrix material?

Thanks,

Jim
J. Graham
Biology Department 
Washington University of St. Louis 



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