ASTM-E2149 › Standard Test Method for Determining the Antimicrobial Activity of Antimicrobial Agents Under Dynamic Contact Conditions
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1.1 This test method is designed to evaluate the antimicrobial activity of non-leaching, antimicrobial-treated specimens under dynamic contact conditions. This dynamic shake flask test was developed for routine quality control and screening tests in order to overcome difficulties in using classical antimicrobial test methods to evaluate substrate-bound antimicrobials. These difficulties include ensuring contact of inoculum to treated surface (as in AATCC 100), flexibility of retrieval at different contact times, use of inappropriately applied static conditions (as in AATCC 147), sensitivity, and reproducibility.
1.2 This test method allows for the ability to evaluate many different types of treated substrates and a wide range of microorganisms. Treated substrates used in this test method can be subjected to a wide variety of physical/chemical stresses or manipulations and allows for the versatility of testing the effect of contamination due to such things as hard water, proteins, blood, serum, various chemicals, and other contaminants.
1.3 Surface antimicrobial activity is determined by comparing results from the test sample to controls run simultaneously.
1.4 The presence of an antimicrobial that requires neutralization is determined by the post-test.
1.5 Proper neutralization of all antimicrobials must be confirmed using Test Methods E1054.
1.6 This test method should be performed only by those trained in microbiological techniques.
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 This standard may involve hazardous materials, operations, and equipment. 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.
antimicrobial; antibacterial; shake flask test; textile; ICS Number Code 07.100.01 (Microbiology in general); 19.040 (Environmental testing)
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Revision with Title Change
Dec. 31, 2013