Fig. 7.
(A) Schematic of MoO3 nanozyme serving as a sulfite oxidase (SuOx) mimic to treat cells with SuOx deficiency. Reprinted from ref. 18 with permission from American Chemical Society, copyright 2014. (B) PEG modified hydrophilic carbon cluster (PEG-HCC) acts as SOD to neutralize ROS (left) and prevent traumatic brain injury. Reprinted from ref. 35 with permission from American Chemical Society, copyright 2012. (C) Melanin nanoparticles fight ROS and protect rats from ischemic stroke after intracranial injection. Reprinted from ref. 32 with permission from American Chemical Society, copyright 2017.