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Anti-microbial protection with MicrobanFeatured science projectScience project video


This science fair project was done to compare the effectiveness of using a Microban polymer-based chopping board and a plastic chopping board, against bacteria growth.


Microban chopping boards have less bacteria growing on their surfaces.

Scientific Terms

Antimicrobial, bacteria, fungi, mold, polymer, microbes


Anti-microbial polymers

A different type of polymer with anti-microbial properties is now being used to prevent the growth of bacteria, fungi and mold, on the surface of consumer and industrial products. By adding anti-microbial additives into the raw materials during manufacturing, the end product will have a surface with anti-microbial properties.

anti-microbial polymers were developed by a group of engineers at the Microban Products Company in North Carolina. It is now being used to manufacture computer keyboards, chopping boards, counter tops, toys, medical equipment and many other products. Laboratory tests have shown that products using Microban polymers have a smaller number of microbes on their surfaces.

Unlike topically applied coatings, anti-microbial protection by Microban polymers do not wear off or wash away . The wear and tear on Microban polymer surface will only release more Microban molecules that will help protect the surface from further microbial growth.

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Complexity level:
Project cost ($):
Time required:
1 day to prepare, 5 days for science fair project
Material availability:
Easily found
Safety concerns:

Pour some bleach into the Petri dish to kill all the bacteria before disposing of them in the trash. Ensure that you wear gloves at all times. Adult assistance required for handling knives.