I also some times seen that proteins are not sticking that much with
vivaspin concentrrtors. These are transparent concentrators and it is easy
to collect the  concentrated protein by giving  an inverted spin for 1
minute. Please check the website for more details www.vivascience.com
Jobi


On Wed, May 6, 2009 at 3:18 PM, atul kumar <atul.ku...@igib.res.in> wrote:

>  sophia
> i dont have any idea abt vivaspin concentrators,can u send some details abt
> it,sice we are also facing the precipitation problem during the concn.
>
> thanks
> atul
>
> -----Original Message-----
> From: CCP4 bulletin board on behalf of Sophia Tsai
> Sent: Wed 5/6/2009 7:12 AM
> To: CCP4BB@JISCMAIL.AC.UK
> Subject: Re: [ccp4bb] Lost my protein
>
> Hi everyone,
> It seems that our lab has experienced issues with precipitation of some
> proteins (not all) with the Amicon concentrators. For those, we have
> started
> using VivaSpin concentrators. That seems to work fairly well with those
> that
> have issues with the filters. You may want to give it a try.
>
> Best,
> Sophia
>
>

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