Mesoporous CoOx/C Nanocomposites Functionalized Electrochemical Sensor for Rapid and Continuous Detection of Nitrite
Source abstract
Abstract
Nitrite is widespread in the environment, and is frequently used as an additive to extend the shelf life of meat products. However, the excess intake of nitrite can be harmful to human health. Hence, it is very important to know and control the content of nitrite in foodstuffs. In this work, by the means of self-assembly induced by solvent evaporation, we used the amphiphilic PEO-b-PS diblock copolymers resol and cobalt nitrate as a template to synthesize ordered mesoporous CoOx/C nanocomposites. Then, the CoOx/C nanocomposites were modified on a glassy carbon electrode (GCE), which showed excellent sensitivity, good selectivity, and a wide detection range for nitrite. Through cyclic voltammetry and current–time techniques, the electrochemical performance of the GCE modified with CoOx/C nanocomposites was analyzed. Under the optimized conditions, we found that anodic currents were linearly related to nitrite concentrations with a regression equation of lp (µA) = 0.36388 + 0.01616C (R2 = 0.9987) from 0.2 µM to 2500 µM, and the detection limit was 0.05 µM. Furthermore, the electrochemical sensor behaved with high reproducibility and anti-interference ability towards various organic and inorganic ions, such as NO3−, SO42−, Cl−, COOH− (Ac−), Na+, K+, Mg2+, and NH4+. Our results indicated that these CoOx/C nanocomposites could be applied in electrochemical sensors for the rapid and sensitive detection of the food preservative nitrite.
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Research context
OpenAlex topics: Electrochemical sensors and biosensors · Electrochemical Analysis and Applications · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), College of Food Science and Technology, Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 200120, China
School of Basic Medicine, Xinxiang Medical University, Xinxiang 453003, China
National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan 430068, China
Funding
National Natural Science Foundation of China
References (42)
Show source-provided references
1. Methods for the detection and determination of nitrite and nitrate: A review10.1016/j.talanta.2016.12.044 ↗
2. Single-crystalline SnS2 nano-hexagons based non-enzymatic electrochemical sensor for detection of carcinogenic nitrite in food samples10.1016/j.snb.2020.128106 ↗
3. A highly selective chromogenic probe for the detection of nitrite in food samples10.1016/j.foodchem.2020.126361 ↗
4. Advances in Degradation Method for Nitrite in Vegetables
5. Research progress on method for nitrite abatement in pickles
6. Citrus Co-Products as Technological Strategy to Reduce Residual Nitrite Content in Meat Products
7. Liu, D., Wang, P., Zhang, X., Xu, X., Wu, H., and Li, L. (2014). Characterization of Nitrite Degradation by Lactobacillus casei subsp rhamnosus LCR 6013. PLoS ONE, 9.10.1371/journal.pone.0093308 ↗
8. Evaluating nitrite content changes in some Chinese home cooking with a newely-developed CDs diazotization spectrophotometry10.1016/j.foodchem.2020.127151 ↗
9. Comparison of electrochemical nitric oxide detection methods with chemiluminescence for measuring nitrite concentration in food samples10.1016/j.aca.2019.05.065 ↗
10. A high-throughput headspace gas chromatographic technique for the determination of nitrite content in water samples10.1016/j.chroma.2018.01.026 ↗
11. A fast and sensitive method for the determination of nitrite in human plasma by capillary electrophoresis with fluorescence detection10.1016/j.talanta.2012.04.008 ↗
12. Ferreira, F.T., Mesquita, R.B., and Rangel, A.O. (2018, January 21–23). Microfluidic paper-based analytical devices for the determination of salivary NOx. Proceedings of the XXIV Encontro Luso-Galego de Química, Porto, Portugal.
13. Measurement of ambient ozone using newly developed porous glass sensor10.1016/j.snb.2007.03.041 ↗
14. Direct Laser Writing of Barriers with Controllable Permeability in Porous Glass10.1364/OE.26.028150 ↗
15. A review on various electrochemical techniques for heavy metal ions detection with different sensing platforms10.1016/j.bios.2017.03.031 ↗
16. Li, Z., Mohamed, M.A., Vinu Mohan, A.M., Zhu, Z., Sharma, V., Mishra, G.K., and Mishra, R.K. (2019). Application of electrochemical aptasensors toward clinical diagnostics, food, and environmental monitoring. Sensors, 19.10.3390/s19245435 ↗
17. Analysis of food Additives
18. Role of nitrogen moieties in N-doped 3D-graphene nanosheets for oxygen electroreduction in acidic and alkaline media10.1021/acsami.7b18651 ↗
19. Electrochemical synthesis of graphene/polypyrrole nanotube composites for multifunctional applications10.1016/j.synthmet.2017.03.012 ↗
20. A glassy carbon electrode modified with reduced graphene oxide and gold nanoparticles for electrochemical aptasensing of lipopolysaccharides from Escherichia coli bacteria10.1007/s00604-019-3957-9 ↗
21. Development of a paper-based, inexpensive, and disposable electrochemical sensing platform for nitrite detection10.1016/j.elecom.2017.06.006 ↗
22. Electrodeposition of gold nanoparticles on Cu-based metal-organic framework for the electrochemical detection of nitrite10.1016/j.snb.2018.10.036 ↗
23. Core-shell nanostructured ZnO@CoS arrays as advanced electrode materials for high-performance supercapacitors
24. Fe3O4 magnetic nanoparticles/reduced graphene oxide nanosheets as a novel electrochemical and bioeletrochemical sensing platform10.1016/j.bios.2013.04.034 ↗
25. An enzyme-free electrochemical sensor based on reduced graphene oxide/Co3O4 nanospindle composite for sensitive detection of nitrite10.1016/j.snb.2015.12.032 ↗
26. Cobalt monoxide nanoparticles modified glassy carbon electrodes as a sensor for determination of nitrite10.4028/www.scientific.net/AMR.1120-1121.291 ↗
27. A novel nitrite biosensor based on the direct electrochemistry of horseradish peroxidase immobilized on porous Co3O4 nanosheets and reduced graphene oxide composite modified electrode10.1016/j.snb.2016.07.073 ↗
28. Ordered mesoporous materials as adsorbents10.1039/c0cc04909c ↗
29. General and controllable synthesis of novel mesoporous magnetic iron oxide@carbon encapsulates for efficient arsenic removal10.1002/adma.201103789 ↗
30. Controllable synthesis of mesoporous peapod-like Co3O4@Carbon nanotube arrays for high-performance lithium-ion Batteries10.1002/anie.201501475 ↗
31. Synthesis and electrochemical characterization of n-doped partially graphitized ordered mesoporous carbon–Co composite10.1021/jp405775x ↗
32. A general chelate-assisted Co-assembly to metallic nanoparticles-incorporated ordered mesoporous carbon catalysts for fischer–tropsch synthesis10.1021/ja306913x ↗
33. Construction hierarchically mesoporous/microporous materials based on block copolymer and covalentorganic framework10.1016/j.jtice.2020.06.013 ↗
34. A Resol-assisted Co-Assembly approach to crystalline mesoporous niobia spheres for electrochemical biosensing10.1002/anie.201303353 ↗
35. Polymer-oriented evaporation induced self-assembly strategy to synthesize highly crystalline mesoporous metal oxides10.1016/j.cej.2020.125527 ↗
36. Highly ordered mesoporous tungsten oxides with a large pore size and crystalline framework for H2S sensing10.1002/anie.201403817 ↗
37. Ligand-assisted assembly approach to synthesize large-pore ordered mesoporous titania with thermally stable and crystalline framework10.1002/aenm.201000004 ↗
38. Controlled synthesis of ordered mesoporous carbon-cobalt oxide nanocomposites with large mesopores and graphitic walls10.1021/acs.chemmater.6b03035 ↗
39. Challenges of “going nano”: Enhanced electrochemical performance of cobalt oxide nanoparticles by carbothermal reduction and in situ carbon coating10.1002/cphc.201400092 ↗
40. In situ cobal-cobalt oxide/n-doped carbon hybrids as superior bifunctional electrocatalysts for hydrogen and oxygen evolution10.1021/ja5127165 ↗
41. In situ-generated Co0-Co3O4/n-doped carbon nanotubes hybrids as efficient and chemoselective catalysts for hydrogenation of nitroarenes10.1021/acscatal.5b00737 ↗
42. GB 5009.33-2016 (2016). Food Safety National Standard-Determination of Nitrite and Nitrate in Food, The Standardization Administration of the People′s Republic of China.