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Development of nanohydroxyapatite composites as bone grafting materials / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 1231-1234, 2008.
Artigo em Chinês | WPRIM | ID: wpr-318177
ABSTRACT
Hydroxyapatite (HA) is one of ideal materials for bone substitutions due to its intrinsic biocompatibility. However, its relatively poor mechanical properties such as brittleness and low strength have hindered its use in high-load applications. Biotic bones themselves are nanocomposites mainly composed of nanohydroxyapatite (n-HA) and collagen. From biomimetic point of view, nanocomposites of HA could potentially improve both biocompatibility and mechanical properties of bone grafting materials. Recent progress in this field branched into nanocomposites of HA with nonbiodegradable and biodegradable polymers, the latter including collagen, gelatin, chitosan, polylactides as well as polyanhydrides. In this paper, the preparation, biological reactions and mechanical properties of different nanocomposites are reviewed in detail.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tamanho da Partícula / Materiais Biocompatíveis / Química / Durapatita / Substitutos Ósseos / Nanocompostos / Nanopartículas Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2008 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tamanho da Partícula / Materiais Biocompatíveis / Química / Durapatita / Substitutos Ósseos / Nanocompostos / Nanopartículas Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2008 Tipo de documento: Artigo