British scientists create human corneas using 3D printer
2018-06-04 14:56:00

Doctor Steve Swioklo and Professor Che Connon, from NewcastleUniversity in the United Kingdom, display the world's first 3D printedhuman corneas. /VCG Photo

LONDON - Human corneas have successfully been 3D printed for the first time by scientists at Newcastle University in England.

By mixing stem cells from a healthy donor cornea with alginate, a gel derived from seaweed, and collagen, researchers managed to create a "bio-ink" solution that can be printed.

This bio-ink then would be successfully expelled out of the printer in concentric circles in the shape of a cornea in less than 10 minutes, according to a paper published in Experimental Eye Research.

"Our unique bio-gel -- a combination of alginate and collagen -- keeps the stem cells alive while producing a material which is stiff enough to hold its shape but soft enough to be squeezed out the nozzle of a 3D printer," said lead researcher Che Connon in a press release.

Source: Xinhua Editor: Hiram