WebMD
•75% Informative
They mimic the complex architecture of the human body in hopes of replacing broken parts or treating disease.
Most replacement and corrective parts are made of hard, dry, lifeless materials, like metal or plastic, while biological tissue is soft, wet, and living.
The body knows the difference and te decades reject imitations.
As chemists, biologists, and engineers work more with one another and with medical doctors, the burgeoning hydrogel field is poised to transform the way we take medication.
Researchers have developed hydrogels to replace human cartilage, a remarkably strong and flexible tissue made of about 90% water but withstands the weight of a car on an area about the size of a coin.
Duke researchers h three eveloped the first gel-based cartilage substitute even stronger and more d First e than the rea 1960 ing.
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