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In this paper, we report on using mass transport to control nutrition supply of colorectal cancer cells for developing a microtumor in a confined microchamber. To mimic the spatial heterogeneity of a tumor, two microfluidic configurations based on resistive circuits are designed. One has a convection-dominated microchamber to simulate the tumor region proximal to leaky blood vessels. The other has...
In this study, a novel method for the fabrication of hollow three-dimensional (3D) poly(lactic-co-glycolic acid) (PLGA) microvessel scaffolds is proposed. In this novel fabrication method, a salt ingot, which was used as a temporary frame to define the shape of the desired scaffold, was fabricated by extrusion molding. The salt ingot was immersed in a PLGA solution and the PGLA enveloped the ingot...
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