Preparation of chitosan/poly vinyl alcohol films and their inhibition of biofilm formation against Pseudomonas aeruginosa PAO1

被引：61
作者：
Wu, Yunbo [1 ]
Ying, Ye [1 ]
Liu, Yuhong [1 ]
Zhang, Haijiang [2 ]
Huang, Jianying [1 ]
机构：
[1] Zhejiang Gongshang Univ, Coll Food Sci & Biotechnol, Hangzhou 310018, Zhejiang, Peoples R China
[2] Huaiyin Inst Technol, Jiangsu Key Lab Reg Resource Exploitat & Med Res, Huaian 223003, Peoples R China
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2018年 / 118卷
关键词：
Chitosan; PVA; Film; Pseudomonas aeruginosa PAO1; Biofilm; FOOD-PACKAGING APPLICATIONS; ANTIMICROBIAL PROPERTIES; BIODEGRADABLE FILMS; STAPHYLOCOCCUS; ADDITIVES; SURFACES; COATINGS; ADHESION; BLEND; PAPER;
D O I：
10.1016/j.ijbiomac.2018.07.061
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Poly (vinyl alcohol) (PVA) and chitosan (CH)-based blend films were prepared via a simple mixing and casting method. The films were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and ultraviolet-visible spectroscopy (UV-vis). Mechanical properties, thermogravimetric (TG), derivative thermogravimetric (DTG), and the inhibition of biofilm formation against Pseudomonas aeruginosa PAO1 (P. aeruginosa PAO1) of CH/PVA films were investigated. The results indicated that CH and PVA in the blend films interacted by physical crosslinks consisting of intermolecular hydrogen bonds and intermolecular hydrogen bonds with compatibility, and were more thermally-stable than that of PVA. CH addition decreased the tensile strength and the light transmittance. CH60:PVA40 film showed notable activity against adhesion and inhibited biofilm formation of P. aeruginosa PAO1, indicating that CH60:PVA40 film could be applied as an anti-microbial and biofilm inhibiting food packaging material. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：2131 / 2137
页数：7
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