Martius Yellow also known as MSB stain for fibrin works on FFPE.  I will 
attach the method to you privately.  You may also find this on a staining 
website.  Peggy Wenk kindly sent this method to me so a thank you goes out 
to her.

At 08:51 AM 10/31/2006, you wrote:
>Our mouse pathologist has previously ordered the PTAH stain for blood
>serum fiber in mouse tissues; however we plan to retire this stain
>because of the mercury used in the stain. This is the last place in the
>lab that requires mercury. My question is: do any of you know of another
>special stain or antibody that will detect blood serum fiber in FFPE
>mouse tissue?
>Thanks,
>Charlene
>
>
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Gayle Callis
MT,HT,HTL(ASCP)
Research Histopathology Supervisor
Veterinary Molecular Biology
Montana State University - Bozeman
PO Box 173610
Bozeman MT 59717-3610
406 994-6367
406 994-4303 (FAX)



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