Cartilage removed from a human knee during arthroscopic surgeryANNE WESTON, FRANCIS CRICK INSTITUTE/SCIENCE PHOTO LIBRARY
A new hydrogel could help improve the treatment of damaged cartilage in knees and other joints. The unique properties of the gel, which provides a scaffold for cartilage cells to grow on, allow it to be implanted via keyhole surgery.
“We will start human trials soon,” says Qiuning Lin at the Shanghai Jiao Tong University in China.
The key property of the gel developed by Lin and her colleagues is that it doesn’t set until exposed to ultraviolet light for around 10 …

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