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- W2029746616 abstract "A uniform de novo production of neocartilage is a critical issue in the fabrication of tissue-engineered diarthrodial substitutes. The aim of this work is to develop homogeneous chondrogenesis in heparinized scaffolds with pores of inverted colloidal crystal (ICC) geometry. Monodispersed polystyrene microspheres were self-assembled by floating in the medium containing ethylene glycol, dried, annealed and infiltrated with heparin/chitin/chitosan gels. The results indicated that the colloidal template was in a structure of hexagonal arrays. In addition, the regularity of the organized pores in the scaffolds reduced when the concentration of ethylene glycol decreased. An increase in the weight percentage of heparin enhanced the viability of bovine knee chondrocytes (BKCs) in ICC matrices. Over 4 weeks of cultivation, the amount of cartilaginous components including BKCs, glycosaminoglycans (GAGs) and collagen enhanced with time. Moreover, an increase in the weight percentage of heparin promoted the production of BKCs, GAGs and collagen in ICC constructs. Histological and immunochemical staining of the cultured ICC constructs revealed minor differences in BKCs, GAGs and type II collagen between the peripheral and core regions. Therefore, the ordered pores in the heparinized ICC constructs could favor the chondrocyte culture to regenerate a uniform distribution of cartilage." @default.
- W2029746616 created "2016-06-24" @default.
- W2029746616 creator A5020876963 @default.
- W2029746616 creator A5063177635 @default.
- W2029746616 date "2011-02-01" @default.
- W2029746616 modified "2023-09-26" @default.
- W2029746616 title "Heparin-conjugated scaffolds with pore structure of inverted colloidal crystals for cartilage regeneration" @default.
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- W2029746616 doi "https://doi.org/10.1016/j.colsurfb.2010.10.031" @default.
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