期刊
MATERIALS LETTERS
卷 148, 期 -, 页码 45-49出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.01.122
关键词
Sol-gel preparation; Biomaterials; Bioactive glass; Mesoporous; Nanoparticles
资金
- National Basic Research Program of China [2011CB606204]
- National Natural Science Foundation of China [51172073, 51202069]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20110172120002]
In this paper, two types of mesoporous bioactive glasses (MBGs) including spherical MBGs (SBG) with radial mesostructure and pineal MBGs (PBG) with lamellar mesostructure have been successfully synthesized through a novel sacrificial liquid template method in sol-gel process. The morphologies and structures of the samples were characterized and the results demonstrated that ethyl acetate was added in the hexadecy ltrimethyl ammonium bromide aqueous solution to form micro-emulsion droplets as liquid template; the aqueous ammonia was added as template corrodent and hydrolysis catalyst. The morphology of MBGs could be controlled by the reaction conditions. Meanwhile, the size and the mesostructure of MBGs could be tuned by the aqueous ammonia concentration. The novel MBGs may be a good candidate as therapeutic molecules carriers for bone and dental tissue regeneration. (C) 2015 Elsevier B.V. All rights reserved.
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