Disc

... Sensitivity Test for E. Coli and had to use 4 different antibiotics which were: Ampicillin(25mg/ml) trimethoprim, naladixic acid and cephlaexin disc. Now as you know the disks used for this test have an abbreviation on them which were: Amp, CL, W, NA. Can anyone confirm which abbreviation goes ...

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there are a number of possible methods which you could use. the first and perhaps the easiest is to use a standard disc diffusion assay (Clinical Laboratory Science Institute,M42-a or M100-a) which are commonly used in antibiotic susceptibility testing. this will give you a rapid ...

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... die (they usually do not melt away, the walls are still there) or if they simply stop growing... or if they are perfectly healthy. In fact the disc diffusion method do not alllow to make the difference between bacteriostatic and bactericidic substances. The only thing it allows you to do in ...

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... you could check their viability for example by making a replicate plate from your test plate, or by inoculating some of the bacteria close to the disc to another agar plate, and see if they grow. In case your disinfectants do not kill bacteria but are bacteriostatic instead, you can find some ...

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... the effectiveness of household disinfectants on bacteria anyways... my teacher told me to grow the bacteria on a agar plate and then put filter discs saturated in varius disinfectants on the bacteria the bacteria cant grow around the area of the disinfectant if it kills it, so there is a clean ...

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