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Biological performance of hydroxyapatite-biopolymer foams: In vitro cell response

机译:羟基磷灰石-生物聚合物泡沫的生物学性能:体外细胞反应

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摘要

Uncoated and biopolymer-coated nanocrystalline hydroxyapatite (HA) macroporous foams are presented as promising candidates as scaffolds for bone tissue regeneration. To this end, foam degradability, the cytotoxic effects on osteoblast-like cells of foam degradation by-products and biocompatibility with osteoblast-like cells were assayed on the three-dimensional (3-D) foam surface. The results show that the 3-D interconnected architectural design of these HA foams allows excellent osteoblast internalization, proliferation and differentiation, exhibiting adequate colonization over the entire scaffold surface with an appropriate degradation rate without any cytotoxic effects.
机译:未涂覆的和生物聚合物涂覆的纳米晶羟基磷灰石(HA)大孔泡沫被认为是有希望的候选物,作为骨组织再生的支架。为此,在三维(3-D)泡沫表面上测定泡沫降解性,泡沫降解副产物对成骨样细胞的细胞毒性作用以及与成骨样细胞的生物相容性。结果表明,这些HA泡沫的3D互连体系结构设计可实现出色的成骨细胞内在化,增殖和分化,在整个支架表面上表现出足够的定殖性,并具有适当的降解速率,而没有任何细胞毒性作用。

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