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Functional Catalytic Nanoparticles (Nanozymes) for Sensing by Yu Ouyang; Michael P. O'Hagan; Itamar Willner is a Engineering article available to read on EtoBox.

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Nanoparticles exhibiting diverse shapes, high porosity and chemical stability reveal, upon appropriate chemical engineering, enzyme-like catalytic activities, “nanozymes”, providing a plethora of nanomaterials for diverse applications. The present review article addresses the sensing applications of the catalytic functions of nanozymes consisting of metal nanoparticles, metal oxides, metal sulfides and cyanometallate nanoparticles, carbon-based nanomaterials and metal-organic-framework nanoparticles. The nanozymes emulate catalytic functions of oxidases or peroxidases and are employed as amplifying agents for sensing diverse analytes such as glucose, dopamine, NADH, thiols, phosphates and more. Moreover, the immobilization of nanozymes on electrodes provides versatile means to develop electrochemical sensing platforms. Different principles of the electrochemical sensing platforms, synthetic methodologies to deposit nanozymes on electrodes, and methods to establish electrical communication between the bulk conductive support and nanozyme particles are introduced. Electrochemical sensing platforms applying nanozyme-modified electrodes for the detection of analytes such as organophosp

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Author

Yu Ouyang; Michael P. O'Hagan; Itamar Willner

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)