There is a product from RCR Scientific called Redigel Media. It uses
calcium ions along with pectin to form a gel matrix. The method is approved
by AOAC and is endorsed by APHA's Standard Methods for the Examination of
Dairy Products (16th ed.).
It comes in a wide variety of media including Baird Parker, EMB, Letheen,
Potato Dextrose, Sabouraud Dextrose, VRBG, XLD, Vogel Johnson.
Try contacting Weber Scientific at (609) 584-7677. They may be able to give
you RCR's phone #.
Robert R. Friedel
Quality Assurance Manager
Laboratory Research & Analysis Groups
Perritt Laboratories, Inc.
rfriedel at perrittlab.com
h craig c kuettner <kuettner at students.uiuc.edu> wrote in message
news:Pine.GSO.4.10.9908211904150.2810-100000 at ux11.cso.uiuc.edu...
> I am looking for alternatives to agar which can be used to solidify media.
> I would prefer something inorganic, but I am really looking for almost
> anything now. I have heard that there are silica gels, but I cannot find
> them in any catalog. Thanks,