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  2. Petri dish - Wikipedia

    en.wikipedia.org/wiki/Petri_dish

    Small dishes may have a protruding base that can be secured on a microscope stage for direct examination. [30] Some versions may have grids printed on the bottom to help in measuring the density of cultures. [31] [25] [26] A microplate is a single container with an array of flat-bottomed cavities, each being essentially a small Petri dish. It ...

  3. Agar plate - Wikipedia

    en.wikipedia.org/wiki/Agar_plate

    An agar plate is a Petri dish that contains a growth medium solidified with agar, used to culture microorganisms. Sometimes selective compounds are added to influence growth, such as antibiotics. [1] 96 pinner used to perform spot assays with yeast, fungal or bacterial cells

  4. Colony-forming unit - Wikipedia

    en.wikipedia.org/wiki/Colony-forming_unit

    As the surface area of most filters is less than that of a standard Petri dish, the linear range of the plate count will be less. [11] The Miles and Misra methods or drop-plate method wherein a very small aliquot (usually about 10 microliters) of sample from each dilution in series is dropped onto a Petri dish. The drop dish must be read while ...

  5. Laboratory sample tube - Wikipedia

    en.wikipedia.org/wiki/Laboratory_sample_tube

    Laboratory sample tubes are used to hold small quantities of substances undergoing experimentation or testing. These tubes are usually made of glass, but can also be made of plastic or metal. They vary in size and purpose. Laboratory sample tubes must not be confused with glass tubing, which can be utilized to carry fluid between laboratory ...

  6. Petrifilm - Wikipedia

    en.wikipedia.org/wiki/Petrifilm

    Petri dish The Neogen Petrifilm plate is an all-in-one plating system made by the Food Safety Division of the Neogen Corporation . They are heavily used in many microbiology -related industries and fields to culture various micro-organisms and are meant to be a more efficient method for detection and enumeration compared to conventional plating ...

  7. Disk diffusion test - Wikipedia

    en.wikipedia.org/wiki/Disk_diffusion_test

    The media used in Kirby–Bauer testing must be Mueller–Hinton agar at only 4 mm deep, poured into either 100 mm or 150 mm Petri dishes. The pH level of the agar must be between 7.2 and 7.4. Bacterial inoculum is prepared by diluting a broth culture to match a 0.5 McFarland turbidity standard , which is equivalent to approximately 150 million ...

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