Figure 2
From: Increased stem cells delivered using a silk gel/scaffold complex for enhanced bone regeneration
Nutrient transportation. Nutrient transport through the silk gel/scaffold complex. (a) Silk gel/scaffold complex was immersed in alizarin red solution and removed at different time points. The gel/scaffold complex was cut from both the coronal and sagittal angles to see the permeation condition of the alizarin red solution. (b) and (c) Silk gel/scaffold complex were immersed in BSA solutions for different periods (1 min, 5 min and 20 min) and removed to release BSA in distilled water for 24 h. The distilled water that contained released BSA were further reacted with BSA working solution, and their OD value were measured. (**Represents p < 0.01).
