Hongwu International Group Ltd, with HWNANO brand, is a high-tech enterprise focusing on manufacturing, research, development and processing of nanoparticles,nanopowders, micron powders.
A group of researchers at the Shanghai Institute of Ceramics in the Chinese Academy of Sciences are looking to combat these dangerous sub-dermal infections by upgrading your new hip or kneecap in a fashion appreciated since ancient times ¨C adding gold. They describe the results of tests with a new antibacterial material they developed based on gold Carbides Nanoparticles in the journal Applied Physics Letters, from AIP Publishing.
“Implant-associated infections have become a stubborn issue that often causes surgery failure,” said Xuanyong Liu, the team’s primary investigator at the Shanghai Institute of Ceramics. Designing implants that can kill bacteria while supporting bone growth, Liu said, is an efficient way to enhance in vivo osteointegration.
Titanium dioxide is able to kill bacteria itself due to its properties as a photocatalyst. When the metal is exposed to light, it becomes energetically excited by absorbing photons. This generates electron-hole pairs, turning titania into a potent electron acceptor that can destabilize cellular membrane processes by usurping their electron transport chain’s terminal acceptor. The membrane is gradually destabilized by this thievery, causing the cell to leak out until it dies..
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