3-D bioprinting of living structures with built-in chemical sensors

A new method enables non-invasive monitoring of oxygen metabolism in cells that are 3-D-bioprinted into complex living structures. This has great implications for studies of cell growth and interactions e.g. under tissue-like conditions, as well as for the design of 3-D printed constructs facilitating higher productivity of microalgae in biofilms or better oxygen supply for stem cells used in bone and tissue reconstruction efforts.

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