期刊
ACS NANO
卷 16, 期 6, 页码 8694-8703出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.2c02516
关键词
bacterial biofilm; photoactive material; ferromagnetic material; polymer micelles; micromotors
类别
资金
- project Advanced Functional Nanorobots - EFRR [CZ.02.1.01/0.0/0.0/15_003/0000444]
- Ministry of Health of the Czech Republic [NU21-08-00407]
- Ministry of Education, Youth and Sports (Czech Republic) under ERC CZ program [LL2002]
Efficient eradication of dental biofilm on titanium dental implants can be achieved using swarming magnetic microrobots, demonstrating their potential in precision medicine.
Titanium dental implants are a multibillion dollar market in the United States alone. The growth of a bacterial biofilm on a dental implant can cause gingivitis, implant loss, and expensive subsequent care. Herein, we demonstrate the efficient eradication of dental biofilm on titanium dental implants via swarming magnetic microrobots based on ferromagnetic (Fe3O4) and photoactive (BiVO4) materials through polyethylenimine micelles. The ferromagnetic component serves as a propulsion force using a transversal rotating magnetic field while BiVO4 is the photoactive generator of reactive oxygen species to eradicate the biofilm colonies. Such photoactive magnetically powered, precisely navigated microrobots are able to destroy biofilm colonies on titanium implants, demonstrating their use in precision medicine.
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