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Oxidase Discs -DD018-1VL

Oxidase Discs -DD018-1VL

₹ 250.00 *
(0)
  • Brand: HIMEDIA
  • Catalog No.: DD018-1VL
  • Quantity/Unit: 1vl/PACK
  • Usually Shipped in: 2-3 Weeks

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Min Orderable Qty : 1 Pack


For lab/research use only, unless otherwise specified

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Oxidase Discs -DD018-1VL is referred as Oxidase Discs under Himedia catalogue.Each pack of DD018-1VL contains 50 discs per vial. DD018-1VL are sterile filter paper discs with 10 mm diameter. Each disc is saturated with N, N-dimethyl-p-phenylenediamine oxalate, ascorbic acid and a-naphthol.

Oxidase Discs -DD018-1VL discs are used to test oxidase production by microorganisms like Neisseria, Alcaligenes, Aeromonas,Vibrio's, Campylobacter and Pseudomonas. the oxidase test can be performed by spreading selcted and well isolated colony of test culture from Agar medium and then spreading the colony gently on the disc. The test requires only 5 to 10 seconds at temperature 25 to 30C. The deep purpish blue coloration of the disc confirms the positive test(production of oxidase).

To avoid false postive test following precautions should be taken:

Avoid stainless steel or nichrome inoculating wires

Avoid media containing dyes

Test time is crucial, only 5 to 10 Secs are required to test the activity.

Storage and shelf life: It is advised to store the discs always at 2 to8C after opening. The disc loses its stability at higher temperature (45C).

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