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  2. Bacteriological water analysis - Wikipedia

    en.wikipedia.org/wiki/Bacteriological_water_analysis

    The laboratory procedure involves making serial dilutions of the sample (1:10, 1:100, 1:1000, etc.) in sterile water and cultivating these on nutrient agar in a dish that is sealed and incubated. Typical media include plate count agar for a general count or MacConkey agar to count Gram-negative bacteria such as E. coli. Typically one set of ...

  3. Broth microdilution - Wikipedia

    en.wikipedia.org/wiki/Broth_microdilution

    During testing, multiple microtiter plates are filled with a certain broth, according to the needs of target bacteria. [3] Varying concentrations of the antibiotics and the bacteria to be tested are then added to the plate. The plate is then placed into a non-CO 2 incubator and incubated at thirty-seven degrees Celsius for sixteen to twenty ...

  4. Etest - Wikipedia

    en.wikipedia.org/wiki/Etest

    Etest is a quantitative technique for determining the antibiotic sensitivity and minimum inhibitory concentration (in μg/mL) of some bacteria including Gram-negative and Gram-positive aerobic bacteria such as Enterobacteriaceae, [2] Pseudomonas, [2] [3] [4] Burkholderia, [2] [5] Staphylococcus, [6] and Enterococcus [7] species and fastidious bacteria, such as anaerobes, N. gonorrhoeae, S ...

  5. Diagnostic microbiology - Wikipedia

    en.wikipedia.org/wiki/Diagnostic_Microbiology

    Anaerobic bacteria collection can come from a variety of sources in patient samples, including blood, bile, bone marrow, cerebrospinal fluid, direct lung aspirate, tissue biopsies from a normally sterile site, fluid from a normally sterile site (like a joint), dental, abscess, abdominal or pelvic abscess, knife, gunshot, or surgical wound, or ...

  6. Dip slide - Wikipedia

    en.wikipedia.org/wiki/Dip_slide

    A bacterial reference chart is used to determine the number of bacteria in the sample. Appropriate treatment is applied to the water source once abnormal levels of bacterial activity are noticed. Once water treatment is effective the bacterial count produced by the dip slide test should be low, approximately <10 4. [2]

  7. Blue–white screen - Wikipedia

    en.wikipedia.org/wiki/Blue–white_screen

    The blue–white screen is a screening technique that allows for the rapid and convenient detection of recombinant bacteria in vector-based molecular cloning experiments. This method of screening is usually performed using a suitable bacterial strain, but other organisms such as yeast may also be used. DNA of transformation is ligated into a ...

  8. Minimum inhibitory concentration - Wikipedia

    en.wikipedia.org/wiki/Minimum_inhibitory...

    In microbiology, the minimum inhibitory concentration (MIC) is the lowest concentration of a chemical, usually a drug, which prevents visible in vitro growth of bacteria or fungi. [1] [2] MIC testing is performed in both diagnostic [1] [2] and drug discovery laboratories. [3] [4]

  9. Microtox bioassay - Wikipedia

    en.wikipedia.org/wiki/Microtox_bioassay

    Microtox is an in vitro testing system which uses bioluminescent bacteria (Allivibrio fischeri, formerly known as Vibrio fischeri) to detect toxic substances in different substrates such as water, air, soils and sediments. [1] Allivibrio fischeri are non-pathogenic, marine, bacteria that luminesce as a natural part of their metabolism. [2]

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