A WEDGE-SHAPED agar gel is formed by pouring out 10 ml. of a hot 2 per cent agar solution (‘Bacto-Agar’, Difco Laboratories) on a pre-warmed glass plate (16 cm. × 4 cm.), which is slightly inclined.

THE identification of the origin of various animal proteins proved possible by the agar-gel double diffusion technique 1. Antisera were prepared in rabbits by multiple injections of alum-precipitated ...

Well cutters used in the agar-gel diffusion technique were made by gluing expended 22-caliber long rifle cartridges to metal surfaces. Journal Information Avian Diseases is an international, ...