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Review

Electrochemical (Bio)Sensors Based on Covalent Organic Frameworks (COFs)

1
Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
2
Departamento de Química Orgánica I, Facultad de CC. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
3
Institute for Advanced Research in Chemical Sciences (IAdChem), Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
4
IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Paolo Facci
Sensors 2022, 22(13), 4758; https://doi.org/10.3390/s22134758
Received: 5 May 2022 / Revised: 20 June 2022 / Accepted: 21 June 2022 / Published: 23 June 2022
(This article belongs to the Special Issue Game Changer Nanomaterials: A New Concept for Biosensing Applications)
Covalent organic frameworks (COFs) are defined as crystalline organic polymers with programmable topological architectures using properly predesigned building blocks precursors. Since the development of the first COF in 2005, many works are emerging using this kind of material for different applications, such as the development of electrochemical sensors and biosensors. COF shows superb characteristics, such as tuneable pore size and structure, permanent porosity, high surface area, thermal stability, and low density. Apart from these special properties, COF’s electrochemical behaviour can be modulated using electroactive building blocks. Furthermore, the great variety of functional groups that can be inserted in their structures makes them interesting materials to be conjugated with biological recognition elements, such as antibodies, enzymes, DNA probe, aptamer, etc. Moreover, the possibility of linking them with other special nanomaterials opens a wide range of possibilities to develop new electrochemical sensors and biosensors. View Full-Text
Keywords: COF; electrochemical biosensors; electrochemical sensors COF; electrochemical biosensors; electrochemical sensors
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MDPI and ACS Style

Martínez-Periñán, E.; Martínez-Fernández, M.; Segura, J.L.; Lorenzo, E. Electrochemical (Bio)Sensors Based on Covalent Organic Frameworks (COFs). Sensors 2022, 22, 4758. https://doi.org/10.3390/s22134758

AMA Style

Martínez-Periñán E, Martínez-Fernández M, Segura JL, Lorenzo E. Electrochemical (Bio)Sensors Based on Covalent Organic Frameworks (COFs). Sensors. 2022; 22(13):4758. https://doi.org/10.3390/s22134758

Chicago/Turabian Style

Martínez-Periñán, Emiliano, Marcos Martínez-Fernández, José L. Segura, and Encarnación Lorenzo. 2022. "Electrochemical (Bio)Sensors Based on Covalent Organic Frameworks (COFs)" Sensors 22, no. 13: 4758. https://doi.org/10.3390/s22134758

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