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Scientists say they have discovered a way to 3D print blood vessels and organ tissues that could someday work in the human body, according to a new study published in the journal Nature Communications.
The lead author of the study, Yonghui Ding, a postdoctoral researcher in mechanical engineering, said in a statement that "it's a profound development." oxygen in the printed object, possibly providing a way to fight against certain vascular diseases related to blood vessels.
"The idea was to add independent mechanical properties to 3D structures that mimic the body's natural tissues," said Xiaobo Yin, lead author of the study, according to ScienceDaily. "This technology allows us to create microstructures that can be customized for disease models."
Basically, controlling the movement of oxygen allows scientists to create a rigid organ, for example, and more malleable, according to the study. The researchers used a printer (capable of printing up to one-tenth of the width of a human hair) to show some examples of what can be created.
For example, the researchers created a warrior model that was hard on the outside but hid a soft heart inward, showing the ability to produce an object requiring different areas of softness or stiffness.
Another experiment showed researchers' ability to create rigid structures inside a 3D printed object in order to prevent it from collapsing.
According to the Centers for Disease Control and Prevention, 21 people die every day in the United States waiting for an organ transplant.
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