Thermo Scientific™

Optochin Disc

Related applications:

Industrial Microbiology

Thermo Scientific™ Oxoid Optochin Disc is for the differentiation of Streptococcus pneumoniae.

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Differentiate Streptococcus pneumoniae from other streptococci using Thermo Scientific™ Oxoid™ Optochin Disc. Optochin Discs are paper discs ready impregnated with Optochin (ethylhydrocuprein hydrochloride) which provide a convenient and reliable alternative to the bile-solubility test. Pneumococciare are sensitive to Optochin so that a culture shows a zone of inhibition around the impregnated disc, while streptococci either grow right up to the edge of the disc or, occasionally, show a very small zone of inhibition.

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5μg. 50 Discs/Cartridge. 1 Cart/Pk.