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The repair of hierarchical osteochondral defect requires sophisticated gradient reestablishment; however, few strategies for continuous gradient casting consider the relevance to clinical practice regarding cell adaptability, multiple gradient elements, and precise gradient mirroring native tissue. Here, a hydrogel with continuous gradients in nano‐hydroxyapatite (HA) content, mechanical, and magnetism...
A carbon nanotube (CNT)/polymer composite is prepared with a CNT array using an electrospinning method and hot‐pressing technology. This composite exhibits a stable high dielectric permittivity and low dielectric loss over a wide frequency range, in addition to a large energy density.
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