Detection mechanism and classification of design principles of peroxidase mimic based colorimetric sensors: A brief overview

doi:10.1016/j.cjche.2020.01.020

摘要/Abstract

摘要： Synthesis and characterization of enzyme mimics with characteristic stability and high catalytic efficiency is an interesting field for researchers. Especially, with the development of nanoscience and introducing of Fe₃O₄ magnetic nanoparticles as peroxidase mimics in 2007, various nanomaterials such as noble metals, metal oxides, and carbon materials were introduced as enzyme mimics (nanozymes). Various nanomaterials exhibit peroxidaselike activity, hence, most of the nanozymes are peroxidase mimetics. Although the nanozyme based sensors were previously classified, the classifications have been focused on the type of nanozyme action. Therefore, the nanozyme based sensors were classified as peroxidase, hydrolase, and urease mimic-based sensors. However, heretofore, these sensors are not classified based on the detection mechanism and principles of system design. The aim of this review is the focus on the peroxidase mimic based colorimetric sensors as the most common nanozyme-based sensors and their classification based on principles of sensor design and review of the detection mechanism of the current mimic peroxidase based sensors. Moreover, some current challenges and future developments in this field are discussed.

关键词: Peroxidase mimic, Nanozyme, Enzyme-peroxidase mimic hybrids, HP sensing, pH sensing, Enzyme co-embedded nanomaterials

Abstract: Synthesis and characterization of enzyme mimics with characteristic stability and high catalytic efficiency is an interesting field for researchers. Especially, with the development of nanoscience and introducing of Fe₃O₄ magnetic nanoparticles as peroxidase mimics in 2007, various nanomaterials such as noble metals, metal oxides, and carbon materials were introduced as enzyme mimics (nanozymes). Various nanomaterials exhibit peroxidaselike activity, hence, most of the nanozymes are peroxidase mimetics. Although the nanozyme based sensors were previously classified, the classifications have been focused on the type of nanozyme action. Therefore, the nanozyme based sensors were classified as peroxidase, hydrolase, and urease mimic-based sensors. However, heretofore, these sensors are not classified based on the detection mechanism and principles of system design. The aim of this review is the focus on the peroxidase mimic based colorimetric sensors as the most common nanozyme-based sensors and their classification based on principles of sensor design and review of the detection mechanism of the current mimic peroxidase based sensors. Moreover, some current challenges and future developments in this field are discussed.

Key words: Peroxidase mimic, Nanozyme, Enzyme-peroxidase mimic hybrids, HP sensing, pH sensing, Enzyme co-embedded nanomaterials

Ali Reza Hormozi Jangi, Mohammad Reza Hormozi Jangi, Saeed Reza Hormozi Jangi. Detection mechanism and classification of design principles of peroxidase mimic based colorimetric sensors: A brief overview[J]. 中国化学工程学报, 2020, 28(6): 1492-1503.

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