Dear Group members, Hi, You could call this a trivial question and I would be grateful to obtain an answer. I was wondering if there is a polarity or difference in the pore sizes on the two sides of a dialysis tubing? ie the same single sheet of membrane. This is in regarding the routine dialysis tubings used in the lab, nothing specially treated or claimed to be. Thanks for any answers. This group has been very helpful and I thank all of you for your help with my previous queries. Regards Rana ____________________________________________________________________ Get free email and a permanent address at http://www.netaddress.com/?N=1
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