RE: lacunae and canaliculi stain

From:"Smith, Allen"

Tartrazine (C.I.640) can often be substituted for picric acid as a yellow
collagen and cytoplasm stain.
Tartrazine is very safe: it is used to color several brands of shampoo under
the name F&DC yellow #5.

Allen A. Smith, Ph.D.
Barry University
School of Graduate Medical Sciences
    Podiatric Medicine and Surgery
Miami Shores, Florida  33161-6695 

-----Original Message-----
From: Kathleen Cormier [mailto:cormier@MIT.EDU]
Sent: Thursday, March 21, 2002 12:13 PM
Subject: lacunae and canaliculi stain

Hello All!

I have a  researcher here who would like a thionin and picric acid stain 
for lacunae and canaliculi. I would really like to avoid the use of 
saturated picric acid. Are there any other stains that anyone knows of that 
stains the same or similar? Could you share your procedure with me? Thanks 
a million!!

Kathy Cormier
Histology Supervisor
MIT- Division of Comparative Med 

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