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This paper describes an activity that simulates bacterial purification without the use of biohazardous materials and provides immediate feedback to students regarding the efficacy of their technique.


This article was originally published in the Journal of Microbiology & Biology Education, available at DOI: 10.1128/jmbe.v18i2.1308.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial-NoDerivatives 4.0 International license (



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