RE: is there a simple way of testing DAB solution

From:"Su, Phy-Huynh" <> (by way of Histonet)

I normally add just a tiny bit of horseradish peroxidase (HRP) into the DAB
solution.  The color should turn brown instantly!  If you are using Vector
ABC kit, just use both A and B reagent without conjugating.  Hope this

> -----Original Message-----
> From:	Tibor Ric []
> Sent:	Tuesday, December 12, 2000 4:46 PM
> To:
> Subject:	is there a simple way of testing DAB solution
> Hi Everygody!
> Here I come with (maybe a stupid) a question.
> Me and my friends at our lab wonder if there is a simple way of testing
> our
> DAB solution. I mean is it possible to check if the DAB solution still is
> working without setting up an application?
> Is there some chemical way of testing?
> Thanks in advance!
> Tibor Ric
> Biomedical Laboratory Techonologist/Scientist,
> Karlstad,
>  Sweden

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