SV3DPrinter’s ‘From 3D Print research specialists’
As reported by Experimental Eye Research, ” how stem cells (human corneal stromal cells) from a healthy donor cornea were mixed together with alginate and collagen to create a solution that could be printed, a ‘bio-ink’.
Using a simple low-cost 3D bio-printer, the bio-ink was successfully extruded in concentric circles to form the shape of a human cornea. It took less than 10 minutes to print.”
On the authority of Che Connon, Professor of Tissue Engineering at Newcastle University, who led the work, “Many teams across the world have been chasing the ideal bio-ink to make this process feasible.
Our unique gel – a combination of alginate and collagen – keeps the stem cells alive whilst producing a material which is stiff enough to hold its shape but soft enough to be squeezed out the nozzle of a 3D printer.
This builds upon our previous work in which we kept cells alive for weeks at room temperature within a similar hydrogel. Now we have a ready to use bio-ink containing stem cells allowing users to start printing tissues without having to worry about growing the cells separately.”
In the opinion of Lead author and Ph.D. candidate from RMIT University’s School of Engineering, Carmelo Todaro, “the promising results could inspire new forms of additive manufacturing.
If you look at the microscopic structure of 3-D printed alloys, they’re often made up of large and elongated crystals.
This can make them less acceptable for engineering applications due to their lower mechanical performance and increased tendency to crack during printing.
But the microscopic structure of the alloys we applied ultrasound to during printing looked markedly different: the alloy crystals were very fine and fully equiaxed, meaning they had formed equally in all directions throughout the entire printed metal part.”
According to Dentsply Sirona and Carbon,” are pleased to present a ground-breaking, 3D printed workflow that provides significant advancements in terms of material benefits, the laboratory process, and function for the patient. From reduced chair time to improved comfort + fit, digital dentistry is transforming patient experiences. Learn how Affordable Care and Core 3D are utilizing the Carbon platform to revolutionize the dental industry as we know it.”
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