Re: [Histonet] mercurochrome for biopsy marking

From:"Gayle Callis"

Histonet has addressed mecurochrome in the past, and isn't it recommended 
that its use be discontinued because of mercury content in the solution?  If 
so, then Rene's (and many others) suggestion on using eosin is a safer dye 
for biopsies.

Gayle M. Callis
Bozeman MT 59715

----- Original Message ----- 
From: "Rene J Buesa" 
To: "karen p" ; 
Sent: Sunday, February 03, 2008 8:59 AM
Subject: Re: [Histonet] mercurochrome for biopsy marking

> Karen:
>  I also have one of those old bottles of di-brom-oxy-mercuri-fluorescein 
> (mercurochrome 220). Just prepare a 2% aquaeous solution and it will do 
> (no ethanol involved). Great stuf for skin cuts and bruises!
>  You could also add a few drops of concentrated eosin in the last absolute 
> ethanol station in your tissue processor and your small biopsies will be 
> stained. Since the next step will probably be xylene (or a substitute) the 
> biopsies will not be distained and will be visible when embedding.
>  René J.
> karen p  wrote:
> ---------------------------------
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