Re: Does anyone know once again!!!!!!!!!!!!!!!!!!!!!!!!!!!

From:"J. A. Kiernan"

Bernard Ian R SSgt 59 CRES/MSROP wrote:
> Hey another question. Cell Point does not have Safran du Gatinais chemical.
> Does anyone no where I can get some?

This was the name of the saffron (a yellow dye obtained
from crocus stigmas) used by P.J.Masson in his trichrome
technique (now usually done with a different set of
dyes), and it's also the yellow collagen stain in
Movat's 1955 "pentachrome" procedure. 

A fairly recent paper recommends using saffron 
bought from a health food store - Garvey, W (1991)
J. Histotechnol. 14: 163-165. It might be necessary
to fiddle with the concentration, because it's
sold for use as a food colorant, not for labs.

John A. Kiernan
Department of Anatomy and Cell Biology
The University of Western Ontario
London,   Canada   N6A 5C1

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