Protocol Online logo
Top : Forum Archives: : Molecular Biology

kinds of Polyethylen Glycol (PEG) and their use - kinds of Polyethylen Glycol (PEG) and their use (Sep/16/2004 )

Hi

As you know there are some kinds of Polyethylen Glycol (PEG) .
I want a list of them and thier use in Molecular Biology

-----
Babak

-memari-

I have recently purified RNAP from E.coli. I used PEG (polyethylene glycol) to precipitate the DNA that otherwise binds to RNAP. It's comparable to ethanol precipitation of DNA, but ethanol supposedly denatures proteins. So PEG was a good choice.

-biochem_student-