At the University of Otago Christchurch, New Zealand, a team of researchers have developed a 3D printable resin that can accurately copy small features of the human body. Otago lead researcher Tim Woodfield says the new material is capable of 3D printing structures at micro-scale unrivalled by other bioprinting techniques. 3D printed using DLP technology, the Otago resin creates features typically between 25 to 50 μm, structures that, according to Woodfield “Cannot be fabricated using extrusion bioprinting.” The Otago resin is made from two different types of hydrogel. For 3D bioprinting, the resin is also loaded with stem cells, which are encouraged to grow and multiply. The most recent study of the material also proved that the resin is capable of performing bone and cartilage tissue synthesis. Featured image shows high definition microstructures 3D bioprinted in the new Otago resin.

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