SV: query

Dag Rune Gjellesvik dagrg at
Tue Nov 20 10:06:57 EST 2001

I am not sure what material the Centricon membrane is, but I've seen similar
problems. The solution was to shift to a "low-binding" PES-membrane. I think
several suppliers sell filters with this membrane type.

Dag Rune Gjellesvik
Biotec ASA,

"swamy" <gswamy at> skrev i melding
news:3BF9B036.7C0E71B at
> I  am trying to concentrate my protein(~23K) using centricon
> concentrators (MW-cut off 10,000 Da). I found that the protein is
> sticking to the membrane. Any alternative methods to concentrate
> proteins are welcome.
> Thanks in advance
> Swamy

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