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High-resolution 3D Bioprinting System for Fabricating Cell-laden Hydrogel Scaffolds with High Cellular Activities

机译:高分辨率3D生物打印系统,用于制造具有高细胞活性的充满细胞的水凝胶支架

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Hydrogel scaffolds play vital roles in tissue engineering via providing appropriate microenvironments for cell adhesion, proliferation, and functioning. In this paper, a high-resolution 3D bioprinting system was developed for precise deposition of biomaterials mixed with cells, and thus, freeform fabrication of cell-laden hydrogel scaffolds. The feasibility of the system was validated by experiments. High cell viability was presented in live/dead assay. Cell aggregation and migration were observed after cultured for 2, 7, 14, and 21 days. Results indicated that the system had potential for fabricating cell-laden hydrogel scaffolds which could maintain high cellular activities.
机译:水凝胶支架通过为细胞粘附,增殖和功能提供适当的微环境,在组织工程中起着至关重要的作用。在本文中,开发了一种高分辨率3D生物打印系统,用于精确沉积与细胞混合的生物材料,从而自由制造载有细胞的水凝胶支架。通过实验验证了该系统的可行性。在活/死分析中呈现出高细胞活力。培养2、7、14和21天后观察到细胞聚集和迁移。结果表明该系统具有制造可保持高细胞活性的充满细胞的水凝胶支架的潜力。

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