D.K. dk at
Sun Jan 13 12:03:21 EST 2002

wolfsc at ("Wolfgang Schechinger") wrote:
>I got a box labelled "Millipore PVDF mebranes", but someone added "NC paper" 
>in writing. The membrane itself is not labelled in any way.
>Since I am suspicious now (though I was assured that there PVDF inside), I'd 
>like to know if there is a way to find out quickly what i really got.
>In comparison to the NC membranes I am currently using, the material is more 
>soft (will not break when it is nicked) and both sides look the same - it 
>reminds me strongly of paper. The material I know as NC (like e.g. from 
>Schleicher and Schuell) has a smooth and a rough side and is a little brittle. 

Deep it in water. NC will get wet, PVDF will remain dry
(that's why PVDF is wetted in methanol before blotting).


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