Revolutionary gold nanorod technology eliminates bacteria to sterilize implants.

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Researchers at Chalmers University of Technology in Sweden have developed a groundbreaking method using gold nanorods to sterilize surgical implants, like hip and knee prostheses. This new technology offers a powerful solution for fighting implant-related infections, a major concern in medical procedures.

The technique attaches gold nanorods to implant surfaces. When exposed to near-infrared (NIR) light, the nanorods heat to over 120°C, acting like tiny “frying pans” that kill bacteria on contact while leaving surrounding tissue unharmed.

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This method reduces infection risks, lowers antibiotic dependence, and tackles antibiotic resistance. The NIR activation provides precise antibacterial action, offering a highly efficient approach.

Published in Nano Letters, the study highlights gold’s unmatched value in advanced medical applications, from sterilization to addressing antibiotic-resistant bacteria, underscoring its significant role in scientific and healthcare advancements.

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