Printing Human Body Parts: Bio-Ink Drops Showing Promise for Regenerative Medicine

A method of making bioink droplets to stick to each other using an enzyme driven crosslinking method has been developed by researchers from Osaka University that increases the range of cell types with the availabllity to be used in the 3D printing of complex biological structures from a vast variety of cell types which holds promise for regenerative medicine such as use in iPS cells as published in Macromolecular Rapid Communications.

Printing of human body parts may seem like it’s science fiction to some individuals, but it is rapidly becoming a technology of science reality. This technology has a strong potential to contribute greatly in regenerative medicine. Bioprinting may still face some technical challenges, but is well on its way. Processing the bioink and making it stick to itself and hold the printed gel object have been proving tricky especially in the inkjet printing. Only a few methods exist for gluing the bioink droplets, with not all methods working for every kind of cell, inspiring the researchers to come up with new and alternative techniques, refining an enzyme driven approach in which to stick the biological ink droplets together, enabling complex biological structures to be printed.

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