Researchers at the University of Illinois at Urbana-Champaign have figured out how to reverse the characteristics of a key bonding material - polyurea - providing an inexpensive alternative for a broad number of applications, such as drug delivery, tissue engineering, and packaging. “Polymers with transient stability in aqueous solution, also known as hydrolyzable polymers, have been applied in many biomedical applications, such as in the design of drug delivery systems, scaffolds for tissue regeneration, surgical sutures, and transient medical devices and implants,” explained Jianjun Cheng, an associate professor of materials science and engineering at Illinois. “Polyurea materials are widely used in our daily life as coating, painting, and adhesive materials. The highly inert urea bond makes the inexpensive polymer extremely stable, a property that is suitable for some long-lasting applications.”
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