Abstract

3Dprinting is defined as the use of printing technology to deposit living cells, and biomaterials on a given /a substrate. Graphene oxide nanoparticles (GO-np) have been used as a delivery vehicle for small molecule drugs in order to investigate the state of GO-np within 3D tissue constructs in terms of a composite 3D printing scaffold, which in turn is relevant to the protection of cartilage. We transplanted rats with hydrogel/GO-np and hydrogel, which in turn showed that hydrogel/GO-np protected the tissue of cartilage by the signal pathway of Rank/Rankl/OPG. Those findings indicated that GO-np may be potentially used to control the release of carrier materials and influence the signal pathway of Rank/Rankl/OPG.

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