Gold‑nanorod coated titanium heats under NIR light and reduces Staphylococcus aureus biofilms in FDA lab tests WEAC researchers reported that titanium surfaces functionalized with gold nanorods via thiol‑silane chemistry (MPTMS) produced stronger coating, a ~15°C photothermal rise under 808 nm illumination and over a 1‑log reduction in S. aureus biofilms after 20 minutes, while ISO 10993‑5 cytotoxicity tests showed no significant cell‑viability loss in vitro.

Gold-nanorod coated titanium surfaces heat up under NIR light, achieving a dramatic reduction in harmful bacterial biofilms—could this be the future of medical device sanitation?

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