jmil writes: Our paper was just published in Nature Materials where we created 3D printed sugar templates on a modified RepRap. The sugar becomes a sacrificial template for rapidly casting vasculature to provide nutrients and oxygen to entrapped living cells. We showed that blood vessel cells formed capillary sprouts extending from our vasculature and that the vasculature sustained the metabolic function of primary liver cells. We see this technology as an important step along the path to creating functional tissue and organ replacements for human patients.
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