Miniature heart replica could help optimize cardiac disease treatments

Photo caption: A living cardiac pump: Christos Michas examines the miniPUMP in the lab. The scaffold that gives structure to the heart cells, without exerting any active force on them, can be seen through the tissue. Photo courtesy: Jackie Ricciardi for Boston University Photography. Article by Sam Jarman. PhysicsWorld – May 5, 2022.

By combining a metamaterial cylinder with artificially grown heart tissue, researchers in the US have developed the miniPUMP – an on-chip device that closely mimics the function of a ventricular chamber. Using an advanced laser writing technique, a team led by Christos Michas at Boston University ensured that the miniPUMP could expand and contract in a cycle reminiscent of the beating human heart. […]

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