Researchers have demonstrated a new paradigm in 3D-printing by using genetically programmed living cells as active components to print living materials and devices. The living cells are engineered to light up in response to a variety of stimuli. When mixed with a slurry of hydrogel and nutrients, the cells can be printed, layer by layer, to form three-dimensional, interactive structures and devices. These printed large-scale high-resolution living materials accurately respond to signaling chemicals in a programmed manners.

Via:: https://www.nanowerk.com/spotlight/spotid=49269.php

3D printing of living responsive devices

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