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A scanning electron micrograph showing a cluster of silver nanoparticles released by scratching a nanosilver-infused cutting board. The cluster is approximately 900 nanometers across, or about the size of a typical bacterium. Credit: NIST

Do kitchen items shed antimicrobial nanoparticles after use?

Silver nanoparticles measuring between one and 100 nanometers (billionth of a meter) in size are being incorporated outside the United States into a variety...