Reagents, O, MilliporeSigma, 50 Discs
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"ONPG Disks, for microbiology"
MilliporeSigmaSynonyms: β-Galactosidase Test Disks; 2-Nitrophenyl-β-D-galactopyranoside Disks Storage Temperature: 2-8°C General description: ONPG Disks are used to detect the presence of β-galactosidase, an enzyme found in lactose-fermenting organisms. Lactose utilization depends upon two…
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"Oxidase Test, for microbiology"
MilliporeSigmaApplication: Oxidase Test is an important differential procedure which should be performed on all gram-negative bacteria that are to be identified. In presence of the enzyme cytochrome oxidase (gram-negative bacteria) the N,N-dimethyl-p-phenylened iamine oxalate and α-naphthol react to…
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"Optochin Disks, for microbiology"
MilliporeSigmaStorage Temperature: 2-8°C General description: The optochin test is a useful diagnostic aid for identification/differenti ation of pneumococci and viridans streptococci. Optochin (ethyl hydrocuprein hydrochloride) is inhibitory for pneumococcal growth whereas other streptococci show good…