Biomineralization Guided by Paper Templates

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Biomineralization Guided by Paper Templates

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Title: Biomineralization Guided by Paper Templates
Author: Camci-Unal, Gulden; Laromaine, Anna; Hong, Estrella; Derda, Ratmir; Whitesides, George M.

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Citation: Camci-Unal, Gulden, Anna Laromaine, Estrella Hong, Ratmir Derda, and George M. Whitesides. 2016. “Biomineralization Guided by Paper Templates.” Scientific Reports 6 (1): 27693. doi:10.1038/srep27693.
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Abstract: This work demonstrates the fabrication of partially mineralized scaffolds fabricated in 3D shapes using paper by folding, and by supporting deposition of calcium phosphate by osteoblasts cultured in these scaffolds. This process generates centimeter-scale free-standing structures composed of paper supporting regions of calcium phosphate deposited by osteoblasts. This work is the first demonstration that paper can be used as a scaffold to induce template-guided mineralization by osteoblasts. Because paper has a porous structure, it allows transport of O2 and nutrients across its entire thickness. Paper supports a uniform distribution of cells upon seeding in hydrogel matrices, and allows growth, remodelling, and proliferation of cells. Scaffolds made of paper make it possible to construct 3D tissue models easily by tuning material properties such as thickness, porosity, and density of chemical functional groups. Paper offers a new approach to study mechanisms of biomineralization, and perhaps ultimately new techniques to guide or accelerate the repair of bone.
Published Version: doi:10.1038/srep27693
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