Mineral Nanozymes Could be New Enzyme Mimetics in Earth Systems

Mineral Nanozymes Could be New Enzyme Mimetics in Earth Systems
Written by AZoNanoJun 9 2021
Throughout the world, the Earth system has thousands of terragrams (Tg) (1 Tg = 10 12 g) of mineral nanoparticles traveling around the planet every year.
Colorimetric reaction catalyzed by the peroxidase-like activity of natural enzymes (HRP) and mineral nanozymes with substrates (TMB). HRP, horseradish peroxidase. TMB, 3,3',5,5'-tetramethylbenzidine. Fh, ferrihydrite. Hem, hematite. Mt, magnetite. Image Credit: ©Science China Press.
Such mineral nanoparticles are universally distributed across soils, waters, oceans and the atmosphere, in and/or on most living organisms and even inside proteins, like ferritin. In natural surroundings, mineral nanozymes can be generated by two pathways: “top-down” and “bottom-up” processes.

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