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The new flexible biodegradable hydrogel can help 3D printing human soft tissues in the future.
May 16, 2018

Last year, the university of Texas at Arlington (UTA) biological engineering professor Yi Hong for Dr. R21 issued by the us national institutes of health (NIH) funding, for vascular disease with defects children making 3 d printing materials.Dr. Hong has been a research grant since he started his career, totaling more than $850,000.Now, he is leading a team to create a highly flexible biodegradable hydrogel for 3D printing materials that mimic human soft tissue, allowing him to continue his 3D printing work in the medical field.This flexible new substance will one day help produce several different types of tissue, including blood vessels, heart muscles, skeletal muscles and skin.


Dr. Yi Hong, professor and project leader of UTA bioengineering, presented his new hyrdogel."Soft tissue biopprinting has been a huge challenge because hydrogels are often brittle and untenable, and cannot mimic the mechanical behavior of human soft tissue," explains Dr Hong.

"In order to overcome these challenges, we developed a simple system, the system USES single crosslinking mechanism of activated by visible light to achieve highly flexible and steady for cells to print biodegradability and biocompatibility of water gel."

3D bio-printing technology, including artificial tissue scaffolds, will eventually change what we know about health care.But hydrogels, which are often used in 3D bio-printing applications, are not foolproof material and are prone to breakage."It's not strong, it's not soft, it's not elastic," Dr. Hung said.

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