Streptomycin 10ug

Streptomycin 10µg

Antibiotic susceptibility test discs impregnated with a defined concentration of streptomycin, supplied in dispensing cartridges of 50 discs. Suitable for use with agar plates.

Discs require refrigerated storage at 2to8°C.

FAQs

What is the shelf life?

Approximately two years when unopened and stored refrigerated. Once opened, discs should be used within one to two weeks.

How should these be used?

Bacterial culture should be transferred into nutrient broth and incubated overnight until cloudy. The inoculated broth is then added to liquid agar at approximately 45°C and poured into plates. Discs should be applied within 15 minutes of the agar setting and plates incubated shortly after application. Discs must be in close contact with a moist agar surface. Uniform incubation times should be used.

These do not seem to be working. What could be the reason?

Possible causes include discs being opened for longer than one to two weeks, incorrect storage, non viable bacterial cultures, unsuitable incubation conditions, or use against bacteria that are not sensitive to streptomycin.

How is streptomycin strength expressed?

Streptomycin strength is expressed in micrograms rather than units.

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