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Article
April 16, 1960

STERILIZATION OF INSTRUMENTS AND MATERIALS WITH BETA-PROPIOLACTONE

Author Affiliations

Boston

From the Bacteriology Laboratory, Massachusetts Eye and Ear Infirmary, the Department of Ophthalmology, Harvard Medical School, and the Department of Pharmaceutical Research and Development, Massachusetts General Hospital.

JAMA. 1960;172(16):1759-1763. doi:10.1001/jama.1960.03020160031006
Abstract

Most substances used for sterilizing surfaces at room temperatures do not kill bacterial spores. Beta-propiolactone (BPL) is a liquid which exerts a strong bactericidal action on the surfaces of objects immersed in aqueous solutions of it or exposed to its vapor phase. In the present experiments it was used in three ways, being vaporized by heat in air at atmospheric pressure, vaporized at room temperature under reduced pressure, and applied as an aerosol by means of nebulizers. Five test-organisms, including Clostridium sporogenes, were used, and a variety of instruments heavily contaminated with them were sterilized at room temperature. In addition, practical experience with a wide variety of apparatus has been accumulated over a period of 16 months. Beta-propiolactone has a broad field of application provided its limitations are recognized and it is handled, like other bactericidal agents, with due regard for its toxic properties.

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