Disks

... 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 with which antibiotic please. ...

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yes we already have controlled environment that is disks dipped in water which has no effect on the bacteria lawn. The diameter includes the surrounding area around the disc. What should I put in for null hypothesis then?

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... formulas. And they are not antibiotics but antiseptic. But I do not really understand your experiment. If I read what you did, you doused paper disks with the anticrobial and put them in the middle of petri plates. How were your plates inoculated with bacteria? What or where are you counting ...

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... Pour it on the whole culture before I allow it to grow while I leave a few controls to justify growth actually occurs, or use antibiotic paper disks? If I use the disks, how would I know antibiotic resistance occurs? And if so, how should I know the entire plate contains antibiotic-resistant ...

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... surprising new properties, such as being able to change the color of light beams (which may increase the capacity of computer memories and compact disks), and to switch light beams on and off in extremely short times. This may lead to the development of optical computers, which are potentially ...

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