Hi All;
Does anyone know of a stain that is specific to either carbonyl or hydroxyl groups? If possible, I would like to find a way to visibly stain gylceryl monostearate on the surface of polypropylene.

Bob Citron
Bob_Citron@cc.chiron.com

Bob:
Why not simply try Periodic acid-Schiff? Periodic acid will cleave the glyceryl C-C bonds adjacent to -OH groups; the aldehydes are then demonstrated with Schiff.

Sverker Enestrom M.D., Ph.D.
SveEn@pai.liu.se