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Biocompatible, Ultralight, Strong Hydroxyapatite Networks Based on Hydroxyapatite Microtubes with Excellent Permeability and Ultralow Thermal Conductivity
Zhang, Yong-Gang1,2; Zhu, Ying-Jie1,2; Chen, Feng1,2; Sun, Tuan-Wei1,2
2017
发表期刊ACS Applied Materials and Interfaces
ISSN19448244
卷号9期号:9页码:7918-7928
摘要In the past decade, ultralight materials such as aerogels have become one of the hottest research topics owing to their unique properties. However, most reported ultralight materials are bioinert. In this work, by using biocompatible, monodisperse, single-crystalline hydroxyapatite (HAP) microtubes as the building blocks, ultralight, strong, highly porous, three-dimensional (3-D) HAP networks have been successfully fabricated through a facile freeze-drying method and subsequent sintering at 1300 °C for 2 h. The as-prepared ultralight, strong, highly porous 3-D HAP microtube networks exhibit superior properties, such as ultrahigh porosity (89% to 96%), low density (94.1 to 347.1 mg/cm3), high compressive strength that can withstand more than 6400 times of their own weight without any fracture and is higher than aerogels with similar densities, and ultralow thermal conductivity (0.05 W/mK). Owing to their high porosity, ultralight, and good mechanical properties and high biocompatibility, the HAP microtube networks reported herein are promising for applications in various fields. © 2017 American Chemical Society.
DOI10.1021/acsami.6b13328
EI入藏号20171103439550
EI主题词Thermal conductivity
EI分类号461.9.1 Immunology - 641.1 Thermodynamics - 703.1 Electric Networks - 801.3 Colloid Chemistry - 804.2 Inorganic Compounds - 931.2 Physical Properties of Gases, Liquids and Solids
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25745
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.University of Chinese Academy of Sciences, Beijing; 100049, China
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Zhang, Yong-Gang,Zhu, Ying-Jie,Chen, Feng,et al. Biocompatible, Ultralight, Strong Hydroxyapatite Networks Based on Hydroxyapatite Microtubes with Excellent Permeability and Ultralow Thermal Conductivity[J]. ACS Applied Materials and Interfaces,2017,9(9):7918-7928.
APA Zhang, Yong-Gang,Zhu, Ying-Jie,Chen, Feng,&Sun, Tuan-Wei.(2017).Biocompatible, Ultralight, Strong Hydroxyapatite Networks Based on Hydroxyapatite Microtubes with Excellent Permeability and Ultralow Thermal Conductivity.ACS Applied Materials and Interfaces,9(9),7918-7928.
MLA Zhang, Yong-Gang,et al."Biocompatible, Ultralight, Strong Hydroxyapatite Networks Based on Hydroxyapatite Microtubes with Excellent Permeability and Ultralow Thermal Conductivity".ACS Applied Materials and Interfaces 9.9(2017):7918-7928.
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