|Table of Contents|

[1] Liu Haohuai, He Zhizhou, Wang Yufei, Peng Lingxi, et al. Preparation and analysis on graphene oxide-silver/grapheneoxide/chitosan composite antibacterial dressing [J]. Journal of Southeast University (English Edition), 2023, 39 (4): 416-425. [doi:10.3969/j.issn.1003-7985.2023.04.011]
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Preparation and analysis on graphene oxide-silver/grapheneoxide/chitosan composite antibacterial dressing()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
39
Issue:
2023 4
Page:
416-425
Research Field:
Biological Science and Medical Engineering
Publishing date:
2023-12-20

Info

Title:
Preparation and analysis on graphene oxide-silver/grapheneoxide/chitosan composite antibacterial dressing
Author(s):
Liu Haohuai;  He Zhizhou;  Wang Yufei;  Peng Lingxi
School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
Keywords:
graphene oxide-silver;  chitosan;  nanoparticle composite;  antibacterial
PACS:
R318
DOI:
10.3969/j.issn.1003-7985.2023.04.011
Abstract:
Graphene oxide was prepared by the modified Hummers method and ultrasonic peeling method. Ammoniacal silver solution and green glucose were added to the fresh achieved graphene oxide suspension to prepare graphene oxide-silver(GO-Ag)nanoparticles. The prepared GO-Ag nanoparticles were incorporated into chitosan and graphene oxide to prepare graphene oxide-silver/graphene oxide/chitosan(GO-Ag/GO/CS)composites. The structure and properties of GO-Ag/GO/CS composite were investigated by SEM, XRD, TG, tensile test and antibacterial test. SEM and XRD analysis indicate that GO-Ag is successfully compounded with graphene oxide and chitosan mixture. Tensile test show that the incorporation of graphene oxide into chitosan matrix can effectively improve the tensile strength of GO-Ag/GO/CS composite, especially the wet-state tensile strength. Thermogravimetric analysis indicate that the incorporation of graphene oxide has a slight effect on the thermal stability of CS. The results of antibacterial test illustrate that when the addition of GO-Ag particles is 5.0 mg, the bacteriostatic rate of GO-Ag/GO/CS against S.aureus and E.coli can reach 98.40% and 100%, respectively, showing excellent bacteriostatic effect.

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Memo

Memo:
Biography: Liu Haohuai(1981—), female, doctor, senior experimentalist, huaihuai99@163.com.
Foundation item: Science and Technology Projects of Guangzhou(No. 202102010481).
Citation: Liu Haohuai, He Zhizhou, Wang Yufei, et al. Preparation and analysis on graphene oxide-silver/graphene oxide/chitosan composite antibacterial dressing[J].Journal of Southeast University(English Edition), 2023, 39(4):416-425.DOI:10.3969/j.issn.1003-7985.2023.04.011.
Last Update: 2023-12-20