Quaternized chitosan-layered silicate intercalated composites based nanofibrous mats and their antibacterial activity

被引：102
作者：
Deng, Hongbing [3 ,4 ]
Lin, Penghua [4 ]
Xin, Shangjing [3 ]
Huang, Rong [3 ]
Li, Wei [3 ]
Du, Yumin [4 ]
Zhou, Xue [1 ,2 ]
Yang, Jianhong [4 ,5 ]
机构：
[1] Huazhong Univ Sci & Technol, Tongji Med Coll, Sch Publ Hlth, Dept Occupat & Environm Hlth, Wuhan 430030, Peoples R China
[2] Huazhong Univ Sci & Technol, Tongji Med Coll, Sch Publ Hlth, MOE Key Lab Environm & Hlth, Wuhan 430030, Peoples R China
[3] Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Peoples R China
[4] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China
[5] Changzhou Univ, Sch Environm & Safety Engn, Changzhou 213164, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2012年 / 89卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Quaternized chitosan; Organic rectorite; Intercalation; Electrospinning; Antibacterial activity; POLYMER NANOCOMPOSITES; ANTIMICROBIAL ACTIVITY; FABRICATION; FILMS; PVA;
D O I：
10.1016/j.carbpol.2012.02.009
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Quaternized chitosan (HTCC)-organic rectorite (OREC) intercalated composites based electrospun nanofibrous mats were fabricated from HTCC-OREC/polyvinyl alcohol (PVA) solutions for the first time. The morphology, intercalated structure, and antibacterial activity of the as-spun mats were investigated. The transmission electron microscopy images taken from HTCC-OREC composites showed that HTCC chains were inside the OREC interlayer. Scanning electron microscopy results verified that more typical fibrous structure would be generated by adding OREC. Fourier transform infrared spectra and energy-dispersive X-ray spectroscopy results indicated that OREC existed in the HTCC-OREC/PVA nanofibrous mats. The intercalation structure in nanofibrous mats was confirmed by X-ray diffraction results, which confirmed that HTCC and PVA chains could intercalate into the interlayer of OREC. The antibacterial activity of the electrospun mats was enhanced when the amount of the OREC increased. Therefore, the novel ternary nanofibrous mats could be used in the field of food packaging and biomedical applications. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：307 / 313
页数：7
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