Israeli scientists have said their new nano-coated “killer paper” could be used in food packaging to combat bacteria such as E.coli to extend product shelf life.
Silver nanoparticles
The team from Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, claim to have developed a “simple one-stop process” of coating paper with antimicrobial colloidal silver nanoparticles using ultrasonic radiation.
The study - Sonochemical Coating of Paper by Microbiocidal Silver Nanoparticles by Aharon Gedanken et al – notes that the antimicrobial properties of silver are well-established. Using silver nanoparticles, each one-50,000 the width of a human hair, lengthens their bacteria-fighting properties, said the paper published in the American Chemical Society’s journal Langmuir.
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