Preparation of Coated Radioautographs by Dipping Sections in Fluid Emulsion.

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Abstract
A simplified coating method for radioautography is proposed in which slides bearing radioactive tissue sections are dipped in melted photographic emulsion. The procedure yields a uniform, 4 [mu] thick emulsion coat over the sections. The coated slides are exposed at 5[degree]C in a dry atmosphere (to obtain a maximal response). After development, the emulsion protected by a coat of vinylite is mounted under coverslip for microscopic examination.