Beating to its own rhythm! 💓 Harvard researchers have 3D printed a heart ventricle that, when electrically stimulated, contracts like a real one. This could revolutionize drug testing and heart implants!
Sign up for our email newsletter for the latest science newsIt does this through an interconnected network of rectangular heart cells calledthat pump blood into the top of the heart and out through the ventricles at the bottom. Pacemaker cells on the heart keep it ticking away at 60 to 100 beats per minute, depending on the person’s basal heart rate.
“FIG ink is capable of flowing through the printing nozzle but, once the structure is printed, it maintains its 3D shape,” said Suji Choi, a research associate at SEAS, in an interview with. “Because of those properties, I found it’s possible to print a ventricle-like structure and other complex 3D shapes without using extra support materials or scaffolds.”
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