A new 3D bioprinting method using fat tissue enables the printing of layered living skin and hair follicles, promising improved outcomes for reconstructive surgery and hair growth treatments. This patented technology, showcasing successful tests in rats, could revolutionize approaches to healing skin injuries and enhancing cosmetic procedures. Miji Yeo, a postdoctoral researcher at Penn State, checks the bioink cartridges on a 3D printer developed to intraoperatively print layers of skin. Credit: Michelle Bixby/Penn State
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