In-situ anchoring bimetallic nanoparticles on covalent organic framework as an ultrasensitive electrochemical sensor for levodopa detection

Sun, Xin; Wang, Na; Xie, You; Chu, Huacong; Wang, Yang; Wang, Yi

doi:10.1016/j.talanta.2020.122072

Cited by 38 publications

(17 citation statements)

References 46 publications

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“…The exfoliated COF nanosheets of TpBDH and TfpBDH showed excellent "turn-on" and "turn-off" effects in solid and dispersed states, respectively. Similarly, COFs have been reported for the detection of ammonia [122], nitroaromatic explosives [123][124][125], Cu 2+ [126], picric acid [127], gallic acid (GA) and uric acid (UA) [128], levodopa content in human urine and blood serum samples [129], etc.…”

Section: Cofs As Sensors For Chemicalsmentioning

confidence: 79%

Structural Characteristics and Environmental Applications of Covalent Organic Frameworks

et al. 2021

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Covalent organic frameworks (COFs) are emerging crystalline polymeric materials with highly ordered intrinsic and uniform pores. Their synthesis involves reticular chemistry, which offers the freedom of choosing building precursors from a large bank with distinct geometries and functionalities. The pore sizes of COFs, as well as their geometry and functionalities, can be pre-designed, giving them an immense opportunity in various fields. In this mini-review, we will focus on the use of COFs in the removal of environmentally hazardous metal ions and chemicals through adsorption and separation. The review will introduce basic aspects of COFs and their advantages over other purification materials. Various fabrication strategies of COFs will be introduced in relation to the separation field. Finally, the challenges of COFs and their future perspectives in this field will be briefly outlined.

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Section: Cofs As Sensors For Chemicalsmentioning

confidence: 79%

Structural Characteristics and Environmental Applications of Covalent Organic Frameworks

et al. 2021

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“…28 Besides the Fe-O-Fe vibration band, Fe 3 O 4 @COF exhibits a strong peak of CQN stretch in imine-COF at 1598 cm À1 , confirming the successful formation of the COF layer via the imine condensation reaction. 29 Compared with Fe 3 O 4 @COF, Fe 3 O 4 @COF@HRP showed a similar spectrum, indicating the chemical structure of the magnetic COF carrier was retained after the incorporation of the enzyme.…”

Section: Electrochemical Detection Proceduresmentioning

confidence: 94%

A highly sensitive electrochemical biosensor for the detection of hydroquinone based on a magnetic covalent organic framework and enzyme for signal amplification

et al. 2022

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“…The COF-modified electrode also exhibited excellent stability and good reproducibility. The life cycle of COF-based electrodes appears promising, with several studies demonstrating their stability over extended periods of time. − Wang and co-workers reported that the COF-modified electrode showed excellent recycle performance even after 90 cycles …”

Section: Prospects and Conclusionmentioning

confidence: 99%

Recent Progress of Covalent Organic Frameworks Applied in Electrochemical Sensors

et al. 2023

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As an emerging porous crystalline organic material, the covalent organic frameworks (COFs) are given more and more attention in many fields, such as gas storage and separation, catalysis, energy storage and conversion, luminescent devices, drug delivery, pollutant adsorption and removal, analysis and detection due to their special advantages of high crystallinity, flexible designability, controllable porosities and topologies, intrinsic chemical and thermal stability. In recent years, the COFs are applied in analytical chemistry, for instance, chromatography, solid-phase microextraction, luminescent and colorimetric sensing, surface-enhanced Raman scattering and electroanalytical chemistry. The COFs decorated electrodes show high performance for detecting trace substances with remarkable selectivity and sensitivity, such as heavy metal ions, glucose, hydrogen peroxide, drugs, antibiotics, explosives, phenolic compounds, pesticides, disease metabolites and so on. This review mainly summarized the application of COF based electrochemical sensor according to different target analytes.

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In-situ anchoring bimetallic nanoparticles on covalent organic framework as an ultrasensitive electrochemical sensor for levodopa detection

Cited by 38 publications

References 46 publications

Structural Characteristics and Environmental Applications of Covalent Organic Frameworks

Structural Characteristics and Environmental Applications of Covalent Organic Frameworks

A highly sensitive electrochemical biosensor for the detection of hydroquinone based on a magnetic covalent organic framework and enzyme for signal amplification

Recent Progress of Covalent Organic Frameworks Applied in Electrochemical Sensors

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