Facilely green synthesis of silver nanoparticles into bacterial cellulose
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- 作者：Zhe Li ; Lei Wang ; Si Chen ; Chao Feng ; Shiyan Chen ; Na Yin ; Jingxuan Yang…
- 关键词：Bacterial cellulose ; Green synthesis ; Silver nanoparticles ; Antimicrobial wound dressings
- 刊名：Cellulose
- 出版年：2015
- 出版时间：February 2015
- 年：2015
- 卷：22
- 期：1
- 页码：373-383
- 全文大小：1,360 KB
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16. Kim YS, Kim JS, Cho HS, Rha DS, Kim JM, Park JD, Choi BS, Lim R, Chang HK, Chung YH, Kwon IH, Jeong J, Han BS, Yu IJ (2008) Twenty-eight-day oral toxicity, genotoxicity, and gender-related tissue distribution of silver nanoparticles in Sprague–Dawley rats. Inhal Toxicol 20(6):575-83 Wang (1)
Si Chen (2)
Chao Feng (3)
Shiyan Chen (1)
Na Yin (1)
Jingxuan Yang (1)
Huaping Wang (1)
Yuemin Xu (3)
1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Key Laboratory of Textile Science and Technology (Ministry of Education), College of Materials Science and Engineering, Donghua University, Shanghai, 201620, People’s Republic of China
2. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People’s Republic of China
3. Department of Urology, Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, Shanghai, 201620, People’s Republic of China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Bioorganic Chemistry
Physical Chemistry
Organic Chemistry
Polymer Sciences - 出版者：Springer Netherlands
- ISSN：1572-882X
文摘
A facile “Green Synthesis-method was used to prepare silver nanoparticles (AgNPs) in bacterial cellulose (BC) nanofibers, using BC as both the reducing and protecting agents with different concentration of AgNO3 (from 0.001 to 1?M) at 0.103?MPa pressure, 121?°C for 10?min without any other chemicals. The structures and properties of AgNPs/BC were characterized by UV–Visible spectral analysis, X-ray diffraction, field emission scanning electron microscopy, high-resolution transmission electron microscope, and inductively coupled plasma (ICP). The results showed that the AgNPs were spherical or nearly spherical with the face-centred cubic geometry and distributed uniformly in the three-dimensional network structure of BC with the size of about 40-0?nm. The silver content and release of silver ions were determined by ICP. With the increase of AgNO3 concentration, the content of silver increased from 16 to 115?mg/100?cm2 and the release of silver ions can be controlled by using different concentration of AgNO3. The antimicrobial activities of AgNPs/BC membranes against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa were estimated by the AATCC Test Method 100-2004. According to these results, it is anticipated that the AgNPs/BC nanocomposites can be applied to the antimicrobial wound dressings and implant materials.