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Antibacterial Silver Nanoparticles Are a Blast

Writing in the International Journal of Nanoparticles, Rani Pattabi and colleagues at Mangalore University, explain how blasting silver nitrate solution with an electron beam can generate nanoparticles that are more effective at killing all kinds of bacteria, including gram-negative species that are not harmed by conventional antibacterial agents.

Your running shoes, socks and even computer keyboard may be impregnated with silver nanoparticles that can kill some bacteria, keep you smelling sweet and preventing the spread of infection among computer users. Researchers in India point out that silver nanoparticles are not only antibacterial against so-called gram-positive bacteria, such as resistant strains of Staphylococcus aureus and Streptococcus pneumoniae but, also against gram-negative Escherichia coli and Pseudomonas aeruginosa.

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