Ian,

If this is not a clinical application, then test it on a control slide. As
far as "mature" DAB is concerned the only thing that I've noticed is an
increase in background!

Bryan

> ----------
> From: 	Ian Montgomery[SMTP:ian.montgomery@bio.gla.ac.uk]
> Sent: 	November 10, 1999 11:53 AM
> To: 	histonet@pathology.swmed.edu
> Subject: 	DAB
>
> 	My Vector labs DAB kit has gone past its expiration date, by quite a
> long
> way. Should I continue using it, or dispose of, in a safe way, and buy
> fresh. Any ideas what the effects of 'mature' DAB might be.
> Ian.
>
>