diatomaceous earth

Michael Witty mw132 at mole.bio.cam.ac.uk
Wed Jun 12 19:45:59 EST 2002

> It's not purifying DNA by ion exchange.

! Isn't it?  What is the mechanism though?

> If you are looking for cheap ion exchange matrices, then the cellulose
> based resins are usuallly pretty reasonably priced.

Do you mean DEAE cellulose and so on?  I was hoping for _even_ cheaper.

Thanks for the email.  Mike.

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