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    It's Alive! Scientists 3D Print Objects From Human Cells

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    Researchers have reportedly announced a method for 3D printing objects out of living human cells.

    Scientists have managed to invent a method of 3D printing which can be applied to living cells which inserts them into a buoyant gel, in a discovery that could lead to breakthroughs in tissue engineering, media reports said.

    A team of engineers from the University of Florida unveiled the new 3D printing technology in a paper, which they published in the journal Science Advances.

    Thomas Angelini, one of the lead authors of the paper, explained that "it goes from being about melting certain materials and limiting yourself to structures that can't collapse while being printed to just placing those objects in 3D space wherever you want."

    "As long as you can push a material out of a needle—and have it be trapped by the [embedding medium] — there's no limit to what you may print with," he said.

    A special machine transforms the living cells into a hydrogel to create suspended objects with sophisticated details.

    The samples include a silicone jellyfish, as well as sculptures that have been made from human aortic cells and cells grown from a patient.

    Surprisingly, the machine is capable of printing at a resolution which is one percent of the width of a human hair.

    As far as the practical applications of the machine are concerned, they reportedly could range from flexible electronics to creating living organ tissue.


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    engineering, living cells, discovery, 3D printing, scientists
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