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    ASTM E2196-12

    Standard Test Method for Quantification of Pseudomonas aeruginosa Biofilm Grown with Medium Shear and Continuous Flow Using Rotating Disk Reactor


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    1. Scope

    1.1 This test method is used for growing a reproducible (1) Pseudomonas aeruginosa biofilm in a continuously stirred tank reactor (CSTR) under medium shear conditions. In addition, the test method describes how to sample and analyze biofilm for viable cells.

    1.2 Although this test method was created to mimic conditions within a toilet bowl, it can be adapted for the growth and characterization of varying species of biofilm (rotating disk reactorrepeatability and relevance (2)).

    1.3 This test method describes how to sample and analyze biofilm for viable cells. Biofilm population density is recorded as log10 colony forming units per surface area (rotating disk reactorefficacy test method (3)).

    1.4 Basic microbiology training is required to perform this test method.

    1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D5465 Practices for Determining Microbial Colony Counts from Waters Analyzed by Plating Methods

    Other Standards

    Method 9050 C.1.a Buffered Dilution Water Preparation ()


    ICS Code

    ICS Number Code 07.100.01 (Microbiology in general)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/E2196-12

    Citation Format

    ASTM E2196-12, Standard Test Method for Quantification of Pseudomonas aeruginosa Biofilm Grown with Medium Shear and Continuous Flow Using Rotating Disk Reactor, ASTM International, West Conshohocken, PA, 2012, www.astm.org

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