화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.25, No.1, 21-26, January, 2017
DOI10.1007/s13233-017-5020-1  Export Citation
Enhanced Antibacterial Effect of Polypyrazole-Graphene Oxide Composite
Bin Yang1, Yufei Wang2, Longqiang Xiao1, †, Xiaowen Hu1, †, and Guofu Zhou1, 3, †
  • 1Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, P. R. China
  • 2Analytical and Testing Center, Guangzhou University, Guangzhou 510006, P. R. China
  • 3Academy of Shenzhen Guohua Optoelectronics, Shenzhen 518110, P. R. China
E-mail:, ,
Besides excellent physical performances, graphene oxide (GO) has been widely acknowledged as a potential antibacterial material. Chemical modification of GO was taken out with polypyrazole by facile amidation in the presence of dicyclohexylcarbodiimide (DCC) and then generated polypyrazole-graphene oxide (FGO) nanohybrid. FGO nanohybrid showed smooth and multilayer structures by scanning electron microscopy. The value of static water contact angle of FGO is 103°, suggesting FGO was a hydrophobic material. Thermo gravimetric analysis of FGO showed a 65% mass loss up 50 to 600 °C, suggesting that FGO is a thermal stability material. Inactivation efficiency test of nominal Escherichia coli cells showed that the viability greatly decreased to 7% after 4 h incubation with FGO under 37 °C, indicating an outstanding antibacterial ability of FGO much better than that of polypyrazole and GO.
Keywords:graphene oxide;polypyrazole;antibacterial nanohybrid;hydrophobic;dicyclohexylcarbodiimide (DCC)coupling
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