Hardness of tissues RE: [Histonet] processing

[Gayle Callis]

Not an intellectual battle, just a discussion.

I would like to share this message from a lady has vast experience 
working  animal tissues, sent yesterday.  NOT all animal tissues, 
obviously, are going to have less % of fat, but some are worse than others.

>Jerry Fredenburg did a wonderful workshop back in the dark ages about 20 
>yrs ago on the chemistry of processing and staining and talked about bound 
>water. Funny you should mention it because I was discussing this with my 
>student only a few days ago. I'm always meaning to dig out that handout 
>where he explained it so well. They always think I'm making up the term 
>"bound water".
>I think the animals eat healthier and there are less lipids in their 
>tissue. When I get rodents who were given a fatty diet their tissue are 
>not so dried out. Their livers are dripping with Oil Red O when I do that 
>stain on frozens - so much that sometimes coverslipping pushes out the red 
>stained lipids.
>
>Andi
>
At 01:53 AM 2/3/2006, you wrote:
>The hardness caused by processing is presently an intellectual battle
>between myself and Gayle (covert to this List).
>
>I'm presently in think mode on this.
>
>Kemlo Rogerson
>Pathology Manager
>Ext  3311
>DD   01934 647057
>Mob 07749 754194
>

Gayle Callis
Research Histopathology Supervisor
Veterinary Molecular Biology
Montana State University - Bozeman
PO Box 173610
Bozeman MT 59717-3610
406 994-6367
406 994-4303 (FAX)