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Bioprinting with Frozen Cells: Multilayer Cryolithography for Better Cell Survival http://bit.ly/2GACu9d UC Berkeley engineers may have finally found a realistic way to 3D print human organs. In their recently published paper, ‘A parallel multiple layer cryolithography device for the manufacture of biological material for tissue engineering,’ authors Gideon Ukpai, Joseph Sahyoun, Robert Stuart, Sky Wang, Zichen Xiao, and Boris Rubinsky explain how they have been able to speed up 3D printing with additional hardware and robotic arms working at rapid speed. Extreme temperatures also become a major quotient for cell sustainability. Researchers today may be able to extract cells and have an excellent concept for manipulating them, but their fragility often ends a promising project before it even begins. With all these issues in mind, scientists have created a new system that uses freezing temperatures and an exponential amount of printing power to gain speed in production—basically, before cells have a chance to die and ruin everything:
While consistent temperature and chemistry are vital to keeping cells alive, cryolithography here adds a novel twist, freezing each layer—and offering a better chance for sustainability.
Often referred to as the holy grail of bioprinting, researchers see fabrication of organs as the end goal. This could extend the lifetimes of so many patients currently waiting for transplants, and in the future, allow doctors to offer extraordinary medical treatment. With this new technology, researchers have even more control over production, temperature, and sustainability.
The new system could translate into better quality in the food preparation arena also, due to the high-performance technique in freezing.
This new form of printing has enormous potential within the entire industry, but especially the realm of tissue engineering—one of the hottest areas of research today. And while bioprinting is obviously making huge strides for the medical field, this project serves as one more example of the many different forms of refinement being addressed within 3D printing. Over the past few years, innovations within 3D software, hardware, and materials have escalated like technological dominoes—and they don’t seem to be stopping anytime soon. Researchers continue to find ways to keep cells alive long enough to successfully engineer tissue, whether for fabrication in the lab of a lung, bladder, or even a cellularized heart. Find out more about how robotics is pushing 3D printing technology further forward here. VIDEO (Video courtesy of Gideon Ukpai, UC Berkeley) [Source: Berkeley Engineering; Berkeley News]
Printing via 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing https://3dprint.com April 23, 2019 at 01:15AM
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