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New Biomaterial Regrows Damaged Cartilage in Joints

New biomaterial regrows damaged cartilage in joints
A microscropy image of the new biomaterial. Nanofibers are pink; hyaluronic acid is shown in purple. Credit: Samuel I. Stupp/Northwestern University

Northwestern University scientists have developed a new bioactive material that successfully regenerated high-quality cartilage in the knee joints of a large-animal model.

Although it looks like a rubbery goo, the material is actually a complex network of molecular components, which work together to mimic cartilage’s natural environment in the body.

In the new study, the researchers applied the material to damaged cartilage in the animals’ knee joints...

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