Fig. 15From: An overview of advanced biocompatible and biomimetic materials for creation of replacement structures in the musculoskeletal systems: focusing on cartilage tissue engineeringPreparation of PVA/GO-PEG nano-composite by the freezing-thawing method. Reprinted with permission from ref. [172], Meng, Y., et al., In situ cross-linking of poly (vinyl alcohol)/graphene oxide–polyethylene glycol nanocomposite hydrogels as artificial cartilage replacement: intercalation structure, unconfined compressive behavior, and biotribological behaviors. The Journal of Physical Chemistry C, 2018. 122(5): p. 3157–3167, Copyright (2019)Back to article page