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Ultralong Hydroxyapatite Nanowires-Based Paper Co-Loaded with Silver Nanoparticles and Antibiotic for Long-Term Antibacterial Benefit
Xiong, Zhi-Chao1; Yang, Zi-Yue2; Zhu, Ying-Jie1; Chen, Fei-Fei1; Zhang, Yong-Gang1; Yang, Ri-Long1
2017
发表期刊ACS Applied Materials and Interfaces
ISSN19448244
卷号9期号:27页码:22212-22222
摘要Hydroxyapatite is a kind of biocompatible, environmentally friendly, and versatile inorganic biomaterial. Herein, the preparation of ultralong hydroxyapatite nanowires (HAPNWs)-based antibacterial paper co-loaded with silver nanoparticles (AgNPs) and antibiotic is reported. HAPNWs are used to prepare AgNPs in situ using an aqueous solution containing AgNO3under the sunlight without added reducing agent at room temperature. Subsequently, ciprofloxacin (CIP) as an antibiotic is loaded on the HAPNWs@AgNPs. The resultant HAPNWs@AgNPs-CIP paper possesses several unique properties, including high flexibility, high Brunauer-Emmett-Teller (BET) specific surface area (47.9 m2g-1), high drug loading capacity (447.4 mg g-1), good biocompatibility, sustained and pH-responsive drug release behavior (5.40-6.75% of Ag+ions and 37.7-76.4% of CIP molecules at pH values of 7.4-4.5 at day 8, respectively), and reusable recycling. In the antibacterial tests against Escherichia coli and Staphylococcus aureus, the HAPNWs@AgNPs-CIP paper exhibits large diameters of inhibition zones and low minimum inhibitory concentrations (30 and 40 μg mL-1), revealing the high antibacterial activity. Besides, the consecutive agar diffusion tests (8 cycles), long-term stability tests (over 56 days), and continuous contamination tests (5 cycles) demonstrate the excellent recycling performance and long-term antibacterial activity of the HAPNWs@AgNPs-CIP paper. These results indicate a promising potential of the HAPNWs@AgNPs-CIP bactericidal paper for tackling public health issues related to bacterial infections. © 2017 American Chemical Society.
DOI10.1021/acsami.7b05208
EI入藏号20172903958123
EI主题词Silver compounds
EI分类号452.3 Industrial Wastes - 461.6 Medicine and Pharmacology - 461.9.1 Immunology - 761 Nanotechnology - 804.2 Inorganic Compounds - 811.1 Pulp and Paper
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25502
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.Sino-German College of Technology, East China University of Science and Technology, Shanghai; 200237, China
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GB/T 7714
Xiong, Zhi-Chao,Yang, Zi-Yue,Zhu, Ying-Jie,et al. Ultralong Hydroxyapatite Nanowires-Based Paper Co-Loaded with Silver Nanoparticles and Antibiotic for Long-Term Antibacterial Benefit[J]. ACS Applied Materials and Interfaces,2017,9(27):22212-22222.
APA Xiong, Zhi-Chao,Yang, Zi-Yue,Zhu, Ying-Jie,Chen, Fei-Fei,Zhang, Yong-Gang,&Yang, Ri-Long.(2017).Ultralong Hydroxyapatite Nanowires-Based Paper Co-Loaded with Silver Nanoparticles and Antibiotic for Long-Term Antibacterial Benefit.ACS Applied Materials and Interfaces,9(27),22212-22222.
MLA Xiong, Zhi-Chao,et al."Ultralong Hydroxyapatite Nanowires-Based Paper Co-Loaded with Silver Nanoparticles and Antibiotic for Long-Term Antibacterial Benefit".ACS Applied Materials and Interfaces 9.27(2017):22212-22222.
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