IIT Madras has patented a chemical-free antibacterial surface that physically kills bacteria using nanostructures. The technology ruptures bacterial cell walls while remaining safe for mammalian cells, offering a potential solution to antimicrobial resistance for medical implants, catheters, hospital equipment and other applications.
New Delhi: Indian Institute of Technology (IIT), Madras, has patented a chemical-free antibacterial surface that can physically eliminate harmful bacteria without the use of antibiotics, disinfectants, radiation or any other antimicrobial chemicals, officials said.
The innovation aims to address an emerging issue globally, namely Antimicrobial Resistance (AMR) – the ability of disease-causing bacteria to become "superbugs" and resist conventional treatments.
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According to Parasuraman Swaminathan, Professor at the Department of Metallurgical and Materials Engineering, the technology developed does not involve chemical action but specially engineered nanostructures that, upon contact, would kill bacteria by rupturing their cell wall.
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