Full metadata record
DC Field | Value | Language |
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dc.contributor.author | 이승진 | - |
dc.date.accessioned | 2016-08-29T11:08:18Z | - |
dc.date.available | 2016-08-29T11:08:18Z | - |
dc.date.issued | 2009 | - |
dc.identifier.issn | 0022-2461 | - |
dc.identifier.other | OAK-5791 | - |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/232015 | - |
dc.description.abstract | Nucleation and growth mechanism of apatite on a bioactive and degradable PLLA/SiO2-CaO composite with a thick PLLA surface layer were investigated compared to that on a bioactive but non-degradable polyurethane (PU)/SiO2-CaO composite with a thick PU surface layer. The bioactive SiO2-CaO particles were made by a sol-gel method from tetraethyl orthosilicate and calcium nitrate tetrahydrate under acidic condition followed by heat treatment at 600°C for 2 h. The PLLA/SiO2-CaO and PU/SiO2-CaO composites were then prepared by a solvent casting method which resulted in thick PLLA and PU surface layers, respectively, due to precipitation of SiO2-CaO particles during the casting process. Two composites were exposed to SBF for 1 week and this exposure led to form uniform and complete apatite coating layer on the PLLA/SiO2-CaO composite but not on the PU/SiO2-CaO composite. These results were interpreted in terms of the degradability of the polymers. A practical implication of the results is that a post-surface grinding or cutting processes to expose bioactive ceramics to the surface of a composite with a thick biodegradable polymer layer is not required for providing apatite forming ability, which has been considered as one of the pragmatic obstacles for the application as a bone grafting material. © 2009 Springer Science+Business Media, LLC. | - |
dc.language | English | - |
dc.title | Nucleation and growth mechanism of apatite on a bioactive and degradable ceramic/polymer composite with a thick polymer layer | - |
dc.type | Article | - |
dc.relation.issue | 17 | - |
dc.relation.volume | 44 | - |
dc.relation.index | SCI | - |
dc.relation.index | SCIE | - |
dc.relation.index | SCOPUS | - |
dc.relation.startpage | 4531 | - |
dc.relation.lastpage | 4538 | - |
dc.relation.journaltitle | Journal of Materials Science | - |
dc.identifier.doi | 10.1007/s10853-009-3685-3 | - |
dc.identifier.wosid | WOS:000268492800003 | - |
dc.identifier.scopusid | 2-s2.0-67849088527 | - |
dc.author.google | Lee J.-C. | - |
dc.author.google | Cho S.B. | - |
dc.author.google | Lee S.J. | - |
dc.author.google | Rhee S.-H. | - |
dc.contributor.scopusid | 이승진(57196249292) | - |
dc.date.modifydate | 20230118105419 | - |