An ultrasensitive luteolin sensor based on MOFs derived CuCo coated nitrogen-doped porous carbon polyhedron

Feng, Xiaogeng; Yin, Xiangdang; Guo, Liping

doi:10.1016/j.snb.2018.11.010

Cited by 40 publications

(14 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In 2019, Guo et al [ 60 ] developed an electrochemical sensor for luteolin based on CuCo coated nitrogen-enriched porous carbon polyhedron (Cu 1 Co 3 @NPCP) material. In particular, Cu 1 Co 3 @NPCP presented superior analytical performances as a lower detection limit (0.08 nM) in the linear range from 0.2 nM–2.5 μM, with an ultrahigh sensitivity as well as satisfactory reproducibility, and long-term stability.…”

Section: Electrochemical Sensorsmentioning

confidence: 99%

Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review

2020

View full text Add to dashboard Cite

Phenolic compounds are secondary metabolites frequently found in plants that exhibit many different effects on human health. Because of the relevant bioactivity, their identification and quantification in agro-food matrices as well as in biological samples are a fundamental issue in the field of quality control of food and food supplements, and clinical analysis. In this review, a critical selection of sensors and biosensors for rapid and selective detection of phenolic compounds is discussed. Sensors based on electrochemistry, photoelectrochemistry, fluorescence, and colorimetry are discussed including devices with or without specific recognition elements, such as biomolecules, enzymes and molecularly imprinted materials. Systems that have been tested on real matrices are prevalently considered but also techniques that show potential development in the field.

show abstract

Section: Electrochemical Sensorsmentioning

confidence: 99%

Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review

2020

View full text Add to dashboard Cite

show abstract

“…LU has a variety of pharmacological activities and plays some important roles in the human body, such as antiallergen, antitumor, antibacterial and antivirus [ 2 , 3 ]. It has many medical influences on cough, inflammation, cardiovascular and other diseases [ 4 , 5 ]. Although LU has many good properties, high concentrations of LU can promote oxidative damage to DNA as well [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Ultrasensitive Electrochemical Sensor for Luteolin Based on Zirconium Metal-Organic Framework UiO-66/Reduced Graphene Oxide Composite Modified Glass Carbon Electrode

Wang

et al. 2020

Molecules

View full text Add to dashboard Cite

Luteolin is a kind of natural flavonoid with many bioactivities purified from a variety of natural herbs, fruits and vegetables. Electrochemical sensing has become an outstanding technology for the detection of luteolin in low concentration due to its fast response, easy operation and low cost. In this study, electroreduced graphene oxide (ErGO) and UiO-66 were successively modified onto a glassy carbon electrode (UiO-66/ErGO/GCE) and applied to the detection of luteolin. A combination of UiO-66 and ErGO showed the highest promotion in the oxidation peak current for luteolin compared with those of a single component. The factors affecting the electrochemical behavior of UiO-66/ErGO/GCE were evaluated and optimized including pH, accumulation potential, accumulation time and scan rate. Under optimum conditions, UiO-66/ErGO/GCE showed satisfactory linearity (from 0.001 μM to 20 μM), reproducibility and storage stability. The detection limit of UiO-66/ErGO/GCE reached 0.75 nM of luteolin and was suitable for testing real samples. Stable detection could be provided at least eight times by one modified electrode, which guaranteed the practicability of the proposed sensor. The fabricated UiO-66/ErGO/GCE showed a rapid electrochemical response and low consumption of materials in the detection of luteolin. It also showed satisfactory accuracy for real samples with good recovery. In conclusion, the modification using MOFs and graphene materials made the electrode advanced property in electrochemical sensing of natural active compounds.

show abstract

“…It is worth noting that the physical properties of PC can be efficiently adjusted by doping some heteroatoms like nitrogen (N) that may enter into the carbon frameworks to enable the redistribution of their overall electron density [15,16]. As a result, the electrochemical catalytic performances of the N-doped PC (N-PC) materials can be recognized by N doping to promise for the improved applications for the chemical sensors and biosensors [17][18][19]. Also, they can attain the better multifaceted features such as large surface area, unique pore structure, good electrochemical stability and conductivity, excellent thermal and mechanical stability, and easy regeneration, compared with the pristine carbon materials [13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

“…As a result, the electrochemical catalytic performances of the N-doped PC (N-PC) materials can be recognized by N doping to promise for the improved applications for the chemical sensors and biosensors [17][18][19]. Also, they can attain the better multifaceted features such as large surface area, unique pore structure, good electrochemical stability and conductivity, excellent thermal and mechanical stability, and easy regeneration, compared with the pristine carbon materials [13][14][15][16][17][18][19]. For example, the N-PCmodified electrodes were reported to possess the higher reaction activity for the electrochemical catalytic reduction of nitrobenzene to aniline [17].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Coating silver metal-organic frameworks onto nitrogen-doped porous carbons for the electrochemical sensing of cysteine

Zhai

Chen

et al. 2020

Microchim Acta

View full text Add to dashboard Cite

Nitrogen-doped porous carbons (N-PC) were coated for the first time with silver metal-organic frameworks (Ag-MOF) by the hydrothermal route. The resulted N-PC@Ag-MOF composites present high stability because of the strong interaction between N atoms of N-PC and Ag + ions of Ag-MOF. It was discovered that the electrodes modified with N-PC@Ag-MOF composites display much higher conductivity than the one modified with Ag-MOF. Especially, they provide stable and sharp electrochemical signals of solid-state AgBr at a low potential approaching zero (i.e., 0.02 V), which may aid to overcome the drawback of the traditional electroanalysis at high overpotentials with serious interferences from the samples background. More importantly, the yielded AgBr signals selectively decrease induced by cysteine (Cys) through the specific thiol-bromine replacement reactions that transfer AgBr into non-electroactive Ag-Cys. The proposed method facilitates the selective detection of Cys with two linear working ranges of 0.10 to 100 μM and 100 to 1300 μM, respectively. The N-PC@Ag-MOF-based sensors have been used for detection of spiked Cys in milk samples with good recovery efficiencies. The developed electroanalysis strategy for probing Cys through the specific thiol-bromine replacement has potential applications in the food analysis fields.

show abstract

An ultrasensitive luteolin sensor based on MOFs derived CuCo coated nitrogen-doped porous carbon polyhedron

Cited by 40 publications

References 40 publications

Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review

Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review

Ultrasensitive Electrochemical Sensor for Luteolin Based on Zirconium Metal-Organic Framework UiO-66/Reduced Graphene Oxide Composite Modified Glass Carbon Electrode

Coating silver metal-organic frameworks onto nitrogen-doped porous carbons for the electrochemical sensing of cysteine

Contact Info

Product

Resources

About