Preparation and property evaluation of graphene oxide based silver nanoparticles composite materials / 生物医学工程学杂志
Journal of Biomedical Engineering
; (6): 357-360, 2014.
Article
in Zh
| WPRIM
| ID: wpr-290753
Responsible library:
WPRO
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.
Full text:
1
Index:
WPRIM
Main subject:
Oxides
/
Particle Size
/
Polyethyleneimine
/
Chemistry
/
Silver Compounds
/
Nanoparticles
/
Graphite
/
Light
/
Anti-Bacterial Agents
Language:
Zh
Journal:
Journal of Biomedical Engineering
Year:
2014
Type:
Article