In a major medical breakthrough, researchers from Sydney and Harvard universities have managed to 3D bio-print capillaries, the tiny channels that allow vascularisation to take place so that cells can sustain themselves and survive. Using a high-tech “bio-printer”, the researchers fabricated tiny, interconnected fibres to serve as the mould for the artificial blood vessels. They then covered the 3D printed structure with a cell-rich protein-based material, which was solidified by shining light on it. Lastly they removed the bio-printed fibres to leave behind a network of tiny capillaries coated with human endothelial cells, which formed stable blood capillaries in less than a week.
Posted on: Fri, 04 Jul 2014 10:30:00 +0000
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