期刊
COORDINATION CHEMISTRY REVIEWS
卷 439, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2021.213948
关键词
Electrochemical biosensors; MOFs; Biomarkers; microRNA; Living cancer cells
资金
- Henan Distinguished Youth Science Fund Project [202300410492]
- National Natural Science Foundation of China [21571158]
- Key Research Project of University of Henan Province [19zx004]
Metal-organic frameworks (MOFs) have emerged as promising porous crystalline materials with various applications due to their large surface areas, tunable pore scales, and good adsorption capabilities. They have been utilized for developing highly sensitive and selective biosensors, particularly for early cancer diagnosis and treatment monitoring, by anchoring diverse probes for construction of electrochemical biosensors.
Developing ultrasensitive and highly selective biosensors is significant for the early diagnosis of cancers and monitoring of the treatment process of cancer patients. Metal-organic frameworks (MOFs), as emerging porous crystalline materials, have received increased attention on account of their potential applications in many fields, such as energy, environment, storage, separation, and sensing. In light of their unique merits, such as large surface areas, tunable pore scales, and good adsorption capabilities, MOFs have been applied as sensitive platforms for anchoring diverse probes (e.g., antibodies, DNA, or aptamers) for the construction of electrochemical (EC) biosensors. Herein, we present a comprehensive overview of MOFs-based EC biosensors for detecting diverse targets (e.g., cancer markers, microRNA, and living cancer cells) that are considered as the indicators for early diagnosis of cancers. Different strategies for construction of EC biosensors with monometallic MOFs, bimetallic MOFs, luminophore-combined MOFs, and MOFs-based nanocomposites are reviewed. Further, the fabrication of MOFs-based EC biosensors toward specific analytes is described to promote and guide future studies on MOFs for biosensing applications. (C) 2021 Elsevier B.V. All rights reserved.
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