50.2 MB (1.4 MB compressed)
3425 x 5120 pixels
29.0 x 43.4 cm ⏐ 11.4 x 17.1 in (300dpi)
JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Bio-artificial tissue tubes. Hands holding bio-artificial tissues created by 'printing' living cells into a polymer scaffold. The technique, known as 'pressure assisted spinning' uses three inkjet needles nested inside one another to seperately deliver cells, a viscous polymer and pressurised air. A small electric field is applied that transforms the suspension into superfine threads which can be woven into shapes, such as tubes. Bioprinters could one day build artificial tissues and organs for replacement organ surgery. Photographed in 2009 at the laboratory of Suwan Jayasinghe at the University College London, UK.
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