Fig. 4.

Illustration of the fabrication of Au NPs and application in SCI treatment. (A) The preparation of AuNPs with monodentate thiolated PEG ligand. Copyright 2013 Langmuir [52]. (B) Remyelination promotion of Schwann cells in mice after the treatment by PEG modified AuNPs. Copyright 2015 Molecular Therapy [37]. (C) Showing that the synthesis process of the AuNP complex, their presentations in TEM and cuvettes, and the anti-neuroinflammatory effects. Copyright 2019 Chemical Engineering Journal [56].