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Facile Construction of Functionalized GO Nanocomposites with Enhanced Antibacterial Activity.


ABSTRACT: The development of antimicrobial materials with sustained drug release performance is of great importance. Graphene oxide (GO) is considered to be an ideal drug carrier. In this study, tetracycline hydrochloride (TC) was loaded onto polyethyleneimine-functionalized GO (PG) to fabricate TC/PG nanocomposites. The success of the fabrication was confirmed by zeta potential, TEM, FTIR, and Raman analyses. The TC/PG nanocomposites showed a controlled and sustained drug release behavior, and a pseudo second order kinetic model was employed to illustrate the release mechanism. The antibacterial activity was studied using the disk diffusion method against Escherichia coli and Staphylococcus aureus. The TC/PG nanocomposites exhibited great bacterial inhibition performance. The results indicate that the fabricated TC/PG nanocomposites with effective antibacterial activity have great potential in antibacterial applications.

SUBMITTER: Jiang L 

PROVIDER: S-EPMC6669633 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Facile Construction of Functionalized GO Nanocomposites with Enhanced Antibacterial Activity.

Jiang Lei L   Zhu Zhongjie Z   Wen Yanyi Y   Ye Shan S   Su Chen C   Zhang Rui R   Shao Wei W  

Nanomaterials (Basel, Switzerland) 20190626 7


The development of antimicrobial materials with sustained drug release performance is of great importance. Graphene oxide (GO) is considered to be an ideal drug carrier. In this study, tetracycline hydrochloride (TC) was loaded onto polyethyleneimine-functionalized GO (PG) to fabricate TC/PG nanocomposites. The success of the fabrication was confirmed by zeta potential, TEM, FTIR, and Raman analyses. The TC/PG nanocomposites showed a controlled and sustained drug release behavior, and a pseudo s  ...[more]

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