Our technology offers a non-antibiotic, dual-function solution that can dramatically improve surgical outcomes – particularly for high-risk and compromised patients
Vi-Khanh Truong
This is the first reported instance of integrating liquid metal-based nanomaterials into a load-bearing, bioactive ceramic scaffold, explains Dr Ngoc Huu Nguyen, a postdoctoral researcher on the project. “Our approach differs fundamentally from conventional antibiotic-loaded materials. Instead of burst release, the scaffold provides sustained, localised antimicrobial protection while actively supporting bone healing,” he states. Early career researcher Dr Nguyen was instrumental in formulating the liquid metal-based bioceramic scaffold, successfully integrating Ag-Ga nanoparticles into hydroxyapatite to achieve a seamless combination of antimicrobial activity and bone-regenerative function.
Senior co-author Flinders University Professor Krasimir Vasilev states the latest research successfully incorporates the surface coatings to a fully integrated, regenerative scaffold platform for orthopaedic and trauma applications. “This innovation assists to create a new generation of bone repair materials that can prevent infection without relying on antibiotics, while also enhancing tissue integration and healing,” states Professor in Biomedical Nanoengineering Vasilev. He states the multi-tarobtained antibacterial effects have been displayn to be effective against a range of clinically significant pathogens, including Staphylococcus aureus, methicillin-resistant S. aureus (MRSA), Pseudomonas aeruginosa, and tiny colony variants – “which are notoriously difficult to eliminate applying conventional antibiotics”.
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