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Rice University

0719_DIABETES-6pnG-lg

Caption

To 3D print vascularized hydrogels that can be turned into living tissue, Rice University bioengineers use (top left) a nontoxic liquid polymer that is (top middle) solidified one layer at a time by blue light. Yellow food coloring absorbs the light, allowing for the creation of passageways for flowing blood. Postdoctoral researcher Kristen Means (top right) displays a printed hydrogel that was secured (bottom right and middle) in a plastic housing for graduate student Madison Royse's (bottom left) blood-flow demonstration using liquid dye.

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Photos by Jeff Fitlow/Rice University

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Jeff Fitlow/Rice University

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