ASTM E2149-20

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Standard Test Method for Determining the Antimicrobial Activity of Antimicrobial Agents Under Dynamic Contact Conditions
standard by ASTM International, 09/15/2020



1.1 This test method is designed to evaluate the antimicrobial activity of 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 TM100), flexibility of retrieval at different contact times, use of inappropriately applied static conditions (as in AATCC TM147), sensitivity, and reproducibility.

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