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Carbohydr Polym. 2018 Oct 1;197:253-259. doi: 10.1016/j.carbpol.2018.06.005. Epub 2018 Jun 4.

Silver nanoparticles incorporated konjac glucomannan-montmorillonite nacre-like composite films for antibacterial applications.

Author information

1
State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang, 621010, PR China; Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, PR China. Electronic address: zhuwenkun@swust.edu.cn.
2
College of Textiles and Clothing, Qingdao University, Qingdao, 266071, PR China. Electronic address: jiweilee@hotmail.com.
3
State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang, 621010, PR China.
4
State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang, 621010, PR China; Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, PR China.
5
Biomass Materials Laboratory, Southwest University of Science and Technology, Mianyang, 621010, PR China.
6
Mianyang City people's Hospital, Mianyang, 621000, PR China.
7
Institue of Materials, China Academe of Engineering Physics, Mianyang, Sichuan, 621907, PR China.

Abstract

Artificial nacre-like konjac glucomannan-Montmorillonite (KGM-MTM) composite films with 'brick and mortar' microstructures have been fabricated based on using KGM-MTM hybrid nanosheets as building blocks. In the designed fabrication procedure, we assembled hybrid building blocks with a thin layer of KGM coating on the MTM nanosheets to form KGM-MTM composite film via vacuum filtration. The nacre-like microstructures enhanced the light transmission performance and mechanical properties (Tensile strength: 116 MPa) of KGM-MTM composite films. Additionally, Ag nanoparticles (Ag NPs) can be incorporated into the layered structures of KGM-MTM composite films via an in situ reduced method. It was found that KGM-MTM-Ag composite films significantly suppress bacterial growth, which makes them potentially applicable as antimicrobial films in the biomedical field.

KEYWORDS:

Antibacterial; Konjac glucomannan; Montmorillonite; Nacre-like; Silver nanoparticles

PMID:
30007611
DOI:
10.1016/j.carbpol.2018.06.005
[Indexed for MEDLINE]

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