期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 17, 页码 10761-10766出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b01765
关键词
carbon dots; bactericidal functions; light activation; photodynamic effect; E. coli; colloidal TiO2
资金
- NIH [R15GM114752]
- Agriculture and Food Research Initiative Grant, USDA National Institute of Food and Agriculture [2011-68003-30012]
- NSF
- South Carolina Space Grant Consortium
- NIFA [688750, 2011-68003-30012] Funding Source: Federal RePORTER
Carbon dots, generally defined as small carbon nano particles with various surface passivation schemes, have emerged as a new class of quantum-dot-like nanomaterials, with their optical properties and photocatalytic functions resembling those typically found in conventional nanoscale semiconductors. In this work, carbon dots were evaluated for their photoinduced bactericidal functions, with the results suggesting that the dots were highly effective in bacteria-killing with visible-light illumination. In fact, the inhibition effect could be observed even simply under ambient room lighting conditions. Mechanistic implications of the results are discussed and so are opportunities in the further development of carbon dots into a new class of effective visible/natural light responsible bactericidal agents for a variety of bacteria control applications.
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