Preparation and property evaluation of graphene oxide based silver nanoparticles composite materials.
- Author:
Yupu SHEN
;
Jiantai HE
;
Yangde ZHANG
;
Yukun SHEN
;
Longjiao ZHANG
- Publication Type:Journal Article
- MeSH:
Anti-Bacterial Agents;
chemistry;
Graphite;
chemistry;
Light;
Nanoparticles;
chemistry;
Oxides;
chemistry;
Particle Size;
Polyethyleneimine;
chemistry;
Silver Compounds;
chemistry
- From:
Journal of Biomedical Engineering
2014;31(2):357-360
- CountryChina
- Language:Chinese
-
Abstract:
We prepared silver nanoparticles/polyethyleneimine-reduction graphene oxide (AgNP/rGO-PEI) composite materials, and evaluated their quality performance in our center. Firstly, we prepared AgNP/rGO-PEI, and then analysed its stability, antibacterial activity, and cellular toxicity by comparing the AgNP/rGO-PEI with the silver nanoparticles (PVP/AgNP) modified by polyvinylpyrrolidone. We found in the study that silver nanoparticles (AgNP) distributed relatively uniformly in AgNP/rGO-PEI surface, silver nanoparticles mass fraction was 4.5%, and particle size was 6-13 nm. In dark or in low illumination light intensity of 3 000 lx meter environment (lux) for 10 days, PVP/AgNP aggregation was more obvious, but the AgNP/rGO-PEI had good dispersibility and its aggregation was not obvious; AgNP/rGO-PEI had a more excellent antibacterial activity, biological compatibility and relatively low biological toxicity. It was concluded that AgNP/rGO-PEI composite materials had reliable quality and good performance, and would have broad application prospects in the future.
