Bioprinting has great ability for testing drugs, repairing injuries, or replacing entire organs, but it is presently restricted in viability, complexity, and speed. You cannot just generate tissue on a whim. Shortly, though, it may be a matter of creating whatever you require when you require it. Researchers at University Medical Center Utrecht and EPFL have designed an optical system that can bioprint highly viable, complex living tissue within no time. It might represent an advancement compared to the layer-based, clunky procedures of today.
Volumetric bioprinting (the method) creates tissue by projecting a laser down a rotating tube having stem-cell-filled hydrogel. You can shape the final tissue just by focusing the energy of laser on particular locations to harden them, making a practical 3D shape within no tome. Next, it is a matter of launching endothelial cells to include vessels to the tissue.
The final tissues are presently only a few inches in length. That is still sufficed to be “clinically helpful,” EPFL claimed, and has already been employed to print a complicated femur part, heart-akin valves, and a meniscus. It can form interlocking frameworks, as well. While this definitely is not prepared for real-world employment, the applications are quite self-evident. EPFL dreams a new wave of “functional, personalized” organs created at “unprecedented pace.”
On a related note, bioengineers are a step close to 3D print organs as well as tissues. Earlier a group, led by Rice University along with the University of Washington, designed a tool to 3D print complicated and “neatly entangled” vascular networks. These replicate the natural tubes of the body for lymph, blood, air, and other fluids, and they will be important for artificial organs. For years, one of the hurdles in imitating human tissues has been understanding a method to get oxygen and nutrients into the tissue and how to eliminate waste.
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