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Cell compatibility testing. A Cell-seeding efficiency of 3D-printed scaffolds. B Quantification of cell proliferation. Cell growth rates were evaluated by means of the WST-1 kit. C Cell viability analysis by staining. Live and dead cells were stained on the CAM-silk and PCL scaffolds. D Quantitative analysis of cell viability. CAM-silk scaffolds yielded significantly higher cell viability than PCL scaffolds did (*p < 0.05, **p < 0.01)
