Chongqing Key Laboratory for Advanced Materials and oTechnologies of Clean Energies

Chongqing, China

Chongqing Key Laboratory for Advanced Materials and oTechnologies of Clean Energies

Chongqing, China
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Lu Z.,Southwest University | Lu Z.,Chongqing Key Laboratory for Advanced Materials and oTechnologies of Clean Energies | Lu Z.,Chongqing Engineering Research Center for Rapid Diagnosis of Fatal Diseases | Mao C.,Southwest University | And 20 more authors.
Journal of Colloid and Interface Science | Year: 2014

To endow silk with UV-shielding ability and antibacterial activity, CeO2 nanoparticles were immobilized on silk surface via a dip-coating approach without changing silk structure. Surface density of the nanoparticles could be easily adjusted by controlling the number of dip-coating cycle. Enhanced thermal stability of the modified silk is exhibited in thermogravimetric analysis (TGA) and derivative thermogravimetric analysis (DTG). The excellent UV-protection ability and antibacterial property of the CeO2 nanoparticle-coated silk are demonstrated in UV-vis diffuse reflectance spectroscopy and colony-forming capability test, respectively. Based on the data, it can be concluded that CeO2 nanoparticles could be used as a very promising coating material to modify silk for UV-protection and antibacterial applications. © 2014 Elsevier Inc.

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