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Chemists introduce 'killer' bacteria-fighting paper

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Chemists at Bar-Ilan University in Israel say they have developed and successfully tested "killer paper" coated with silver nanoparticles--each roughly 1/50,000 the width of a human hair--that can fight bacteria such as E. coli and S. aureus.

Described in the American Chemical Society journal Langmuir, researcher Aharon Gedanken tells me that while colloidal silver is already widely used as an antimicrobial agent, what's new about his team's research is the process by which silver nanoparticles are deposited onto paper to develop antimicrobial properties.

The team was able to control both the thickness of the silver coating and particle size while using ultrasonication to attach the nanoparticles to the paper; because the coatings are highly stable and anchored so strongly to the surface, they are long-lasting.
 
 

Comments (1)

  1. This is a very good innovation. I hope this will not have a dis advantage of affecting the biodegradation of the paper especially in refuse dumps.

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