Oxidative stress is caused by an imbalance between production and accumulation of oxygen reactive species (ROS) in cells and tissues. Manganese superoxide dismutase (MnSOD) is an antioxidant enzyme ...
Electron microscopy of a manganese dioxide nanowire in cross-section shows its tunnelled atomic structure, stabilized by potassium ions. The tunnels measure about three-quarters of a nanometer, or 7.5 ...
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