Journal
COORDINATION CHEMISTRY REVIEWS
Volume 434, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2021.213784
Keywords
Metal-organic frameworks; Sensors; Neurotransmitters; Electrochemistry; Dopamine; Composite electrodes
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Funding
- National Natural Science Foundation of China [21971069, 21773070]
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Neurotransmitters play a crucial role in controlling various functions in the nervous system, making their detection important for disease diagnosis and environmental monitoring. Metal-organic frameworks (MOFs) show promise as candidates for electrochemical sensors due to their unique properties, such as large surface areas and variable catalytic activity. This article focuses on the current state of electrochemical sensors based on MOFs and their composites with other materials, highlighting their potential applications in sensor technologies.
Neurotransmitters (NTs) control many behavioral and physiological functions in central and peripheral nervous system, and their detection is of great importance to disease diagnosis and environmental monitoring. Electrochemical sensors have been popular and convenient methods for detection of NTs that are electroactive or can be coupled with electroactive reactions. Metal-organic frameworks (MOFs), constructed by organic ligands connecting metal-based nodes, are promising candidates for electrochemical sensors due to their large surface areas, hybrid structures, tailorable functional sites, and variable catalytic activity. This article gives an overview of the general aspects of MOFs for electrochemical assays of NTs and focused on the state-of-art of the sensors based on MOFs and the composites of MOFs with various materials (mainly carbon-based materials, organic polymers and metal or metal oxide nanoparticle). The use of MOF-derived materials as electrode modifiers is also included. (C) 2021 Elsevier B.V. All rights reserved.
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