Samantha Paulsen, a bioengineering graduate student in Jordan Miller’s lab at Rice University, holds a plate on which several of 3-D-printed silicone constructs have been mounted. The constructs, which are each about the size of a small candy gummy bear, have been injected with red dye to better show the network of small vessels inside. Credit: Jeff Fitlow/Rice University
It may provide a method to overcome one of the biggest challenges in regenerative medicine: How to deliver oxygen and nutrients to all cells in an artificial organ or tissue implant that takes days or weeks to grow in the lab prior to surgery. The study showed blood flowed normally through test constructs that were surgically connected to native blood vessels.
Miller said one of the hurdles of engineering large artificial...
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