glass plates

Manuel Simon ma at ABC.univie.ac.at
Wed Jun 1 17:31:53 EST 1994

In article <01HCHU0TSVXU0020YO at SCI.WFEB.EDU> ROSS at SCI.WFEB.EDU writes:
>Subject: glass plates
>Date: 18 May 1994 15:56:27 -0700

>>       Does anyone know of a source for plates for the BioRad Mini 
>>PROTEAN II system. It's a great apparatus, but $2 for 20cents worth of 
>>glass seems a bit steep. I've checked all the local (Sacramento CA) 
>>distributors, but none of them deal with plates this thin. Then glass 
>>measures ~1.4mm or a little less than 1/16". Any info would be 
>>appreciated. Thanks.

>We get the glass plates for our large and mini-gels from a local glass 
>distributor which does everything relating to glass, windshields, picture
>framing, etc.  You do not need any special glass with extremely tight 
>tolerances for thickness etc. They cut the plates to whatever pattern we
>request.  Try your local glass guy!
>                                        Alonzo Ross

I agree with that. But be aware of the fact, that glass is remarkably 
flexible. For larger plates and if the spacers are thin (e.g. plates 
for sequencing: 0.4 mm) you might (as we) get troubles. Furthermore, for some 
devices it is crucial to have the glass cut into the right dimensions, 
otherwise you will loose buffer from the upper chamber (in particular true for 
the large Protean).


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