3D printing of biological materials shown to be viable

Biophysicists at University College London and King’s College London have successfully tested a technique for ‘printing’ with live biological cells, a method similar to ink-jet printing. The cells are projected through an ultra-fine needle and subjected to a strong electric field which controls the jet. Similar techniques (without the field) have been used before, but the needle guages had to be higher; the field allows for much finer measurements to be used. This could pave the way for building nanoscale biological structures in two or three dimensions, such as organ tissue manufacture.

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