abishop@sfsu.edu wrote:
> Does anyone know how long it takes to dissolve gelatin in DI?

What is "DI" ?  
Gelatin dissolves quickly in hot water (10-20 mins)
or slowly in warm water (overnight). It probably
would dissolve in cold water in several weeks. 
Gelatin is collagen modified by boiling in water.
If your "DI" is some non-aqueous solvent, don't
expect it to dissolve gelatin. 
-- 
-------------------------
John A. Kiernan
Department of Anatomy and Cell Biology
The University of Western Ontario
London,   Canada   N6A 5C1
   kiernan@uwo.ca
   http://publish.uwo.ca/~jkiernan/