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Recently, researchers at the University of Minnesota used custom low-cost 3D printers to print electronic devices for the first time. With this technology, soldiers in the battlefield can print temporary sensors onto the body to detect chemical or biological agents; they can also print solar cells onto the body and charge the necessary electronic products.
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(Source: McAlpine Research Group / University of Minnesota)
For the first time, the researchers successfully printed biological cells onto the mouse's skin wound. This technology will bring new medical solutions for wound healing as well as direct printing of skin grafts.
On April 25th, the research paper was published on the inside cover of the academic magazine Advanced Materials.
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One of the key innovations of this 3D printing technology is that this kind of printer can be adjusted according to the slight movement of the human body during printing. Temporary markers are placed on the skin and the skin is scanned again. The printer uses computer vision to adjust the action in real time.
(Source: University of Minnesota)
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(Source: University of Minnesota)
Michael McAlpine said: “We are very excited about the potential of this new 3D printing technology, which is a portable, lightweight 3D printer that costs less than $400. We can imagine that a soldier can take this printer out of his backpack. Print chemical sensors or other electronic products they need directly onto the skin. It's like a futuristic 'Swiss Army Knife', and everything they need can be done with a portable 3D printer tool."
In addition to electronics, this new 3D printing technology has paved the way for many other applications, including printing cells for skin diseases. McAlpine's team collaborated with Dean Jakub Tolar, an expert in the treatment of rare skin diseases at the University of Minnesota, to successfully use a bio-ink to print cells on mouse skin wounds, which will bring more advanced treatments to patients with skin diseases.
McAlpine said: "The idea of ​​printing electronic devices or cells directly on the skin is very attractive to me. This is such a simple idea, but it has unlimited potential for many important applications in the future."
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