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Tiny interwoven fibers make up the three-dimensional fabric “scaffold” into which a strong, pliable hydrogel is integrated and injected with stem cells, forming a framework for growing cartilage. (Credit: Frank Moutos and Farshid Guilak)


A closer look at the scaffolding integrated with Xuanhe Zhao’s hydrogel. The composite material, formed through a process comparable to pouring concrete over a steel framework, may be a serviceable synthetic replacement for the load-bearing cartilage found between bones. (Credit: I-Chien Liao, Frank Moutos, Brad Estes)

Read: Engineers Make Strides Toward Artificial Cartilage

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