Macs in Chemistry

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3D printing improvements

 

3D printing has become a useful way to produce representations of scientific objects of interest, whether it be small molecules binding to a target protein to complete organisms.

Traditional 3D printing uses an additive process, where successive layers of material are laid down in different shapes to slowly build up the final 3 dimensional shape. This is a time-consuming process but a new process described in Science DOI aims to reduce production times considerably, at first examination this looks to be a real game changer.

We demonstrate the continuous generation of monolithic polymeric parts up to tens of centimeters in size with feature resolution below 100 micrometers. Continuous liquid interface production is achieved with an oxygen-permeable window below the ultraviolet image projection plane, which creates a “dead zone” (persistent liquid interface) where photopolymerization is inhibited between the window and the polymerizing part.

The authors have formed a company to exploit the new technology carbon3D, the website gives more details on the technology.

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