[Histonet] a much easier chemistry question

[A. Erickson]

  scissors, or a patch of the HistoNet Logo?  andra

On Thu, 4 Nov 2004, Geoff McAuliffe wrote:

> Soap and water?
>
> Geoff
>
> Jack England wrote:
>
>> Aloha all,
>> 
>> Here's a much more fun chemistry question for anyone that wants to bite: 
>> what is the best method to remove trypan/evans blue from cotton fabric? 
>> One of my colleagues got some on her pants the other day and asked what the 
>> best way to get it out was.  I did not know, so I put some on cotton gauze, 
>> and tried:
>> 
>> --acid alcohol...faded the stain a little, but didn't get rid of it
>> --DI water...no change
>> --absolute ethanol...no change
>> --xylene...no change
>> --ethanol/non-ionic detergent/DI water rinse...no change
>> --citrus oil clearant...no change
>> 
>> Given that her fabric is tan (and thus not white, and thus likely not 
>> bleach-able), can anyone out there in histo-land suggest a way of 
>> de-staining trypan-blue-stained fabric? I've been wondering about this for 
>> a while now and figured I'd pass it around.
>> 
>> --Many thanks and aloha to all,
>> Jack England
>> Tissue Genesis, Inc.
>> http://www.tissuegenesis.com
>> 
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>
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> Geoff McAuliffe, Ph.D.
> Neuroscience and Cell Biology
> Robert Wood Johnson Medical School
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