Imidazole and Amicon concentrators

Dr Engelbert Buxbaum via (by engelbert_buxbaum from
Sun Jan 13 05:14:46 EST 2019

In article <mailman.29.1545913028.17058.methods from>, 
hubahopp from says...
> Does the protein size match the cut-off of the concentrator?
> How do you measure protein concentration?
> On 27.12.18 03:01, m.golgoljaam from wrote:
> > Hi, I'm in cas9 purification with the help of ni-nta agarose I use amicone 100 for further purification After using the amicone, my protein concentration decreases I do not know why
> > I use 500 mg of imidazole for purification Please guide me Thank you
> > _______________________________________________
> > Methods mailing list
> > Methods from
> >


in addition, it is possible that the protein precipitates as the 
concentration increases. It may even accumulate on the membrane.

DIN EN ISO 9241-13: 9.5.3 Error messages should convey what is wrong, 
what corrective actions can be taken, and the cause of the error.

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