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Highly sensitive assay of dopamine and tyrosinase using benzoyl peroxide facilitated in-situ fluorogenic reaction. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02169-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Electrochemical Synthesis of Polymelamine/Gold Nanoparticle Modified Carbon Paste Electrode as Voltammetric Sensor of Dopamine. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1016/j.cjac.2022.100052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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He Y, Wu T, Wang J, Ye J, Xu C, Li F, Guo Q. A sensitive pyrimethanil sensor based on porous NiCo 2S 4/graphitized carbon nanofiber film. Talanta 2020; 219:121277. [PMID: 32887167 DOI: 10.1016/j.talanta.2020.121277] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 11/28/2022]
Abstract
With the extensive use of pesticides, the problem of pesticide residues has become people's concern. In this work, NiCo2S4 nanoneedle arrays grown on an electrospun graphitized carbon nanofiber film (NiCo2S4/GCNF) is successfully prepared by a simple two-step hydrothermal method, and further applied to detection of fungicide pyrimethanil (PMT). NiCo2S4 arrays exhibit a unique core-shell structure with rough surface, providing abundant electrochemically active sites exposed to the electrolyte. The NiCo2S4/GCNF modified electrode displays excellent electrocatalytic activity, and the electrode surface is controlled both by diffusion and adsorption processes. When applied to PMT determination, NiCo2S4/GCNF sensor displays wide linear range from 0.06 to 800 μM with low detection limit (20 nM). Furthermore, the as-proposed sensor also displays other outstanding advantages, including simple preparation, low cost, perfect reproducibility and good application in practical samples. Such attracting analytical properties could be attributed to high electrocatalytic activity of NiCo2S4 and superior electrical conductivity of GCNF frameworks. In addition, the detailed oxidation mechanism of PMT at NiCo2S4/GCNF electrode was also studied. The results indicate that NiCo2S4/GCNF is a promising platform for PMT sensors.
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Affiliation(s)
- Yi He
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Tingting Wu
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Jiangyi Wang
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Jing Ye
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Cuiying Xu
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Fan Li
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Qiaohui Guo
- Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China.
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Sajid M, Baig N, Alhooshani K. Chemically modified electrodes for electrochemical detection of dopamine: Challenges and opportunities. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.05.042] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Younus AR, Iqbal J, Muhammad N, Rehman F, Tariq M, Niaz A, Badshah S, Saleh TA, Rahim A. Nonenzymatic amperometric dopamine sensor based on a carbon ceramic electrode of type SiO 2/C modified with Co 3O 4 nanoparticles. Mikrochim Acta 2019; 186:471. [PMID: 31240490 DOI: 10.1007/s00604-019-3605-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 06/13/2019] [Indexed: 10/26/2022]
Abstract
An amperometric nonenzymatic dopamine sensor has been developed. Cobalt oxide (Co3O4) nanoparticles were uniformly dispersed inside mesoporous SiO2/C. A sol-gel process was used for the preparation of this mesoporous composite material (SiO2/C). This mesoporous composite has a pore size of around 13-14 nm, a large surface area (SBET 421 m2·g-1) and large pore volume (0.98 cm3·g-1) as determined by the BET technique. The material compactness was confirmed by SEM images which showing that there is no phase segregation at the magnification applied. The chemical homogeneity of the materials was confirmed by EDX mapping. The SiO2/C/Co3O4 nanomaterial was pressed in desk format to fabricate a working electrode for nonenzymatic amperometric sensing of dopamine at a pH value of 7.0 and at a typical working potential of 0.25 V vs SCE. The detection limit, linear response range and sensitivity are 0.018 μmol L-1, 10-240 μmol L-1, and 80 μA·μmol L-1 cm-2, respectively. The response timé of the electrode is less than 1 s in the presence of 60 μmol L-1 of dopamine. The sensor showed chemically stability, high sensitivity and is not interfered by other electroactive molecules present in blood. The repeatability of this sensor was evaluated as 1.9% (RSD; for n = 10 at a 40 μmol L-1 dopamine level. Graphical abstract Schematic presentation of the preparation of a nanostructured composite of type SiO2/C/Co3O4 for electrooxidative sensing of dopamine.
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Affiliation(s)
- Abdur Rehman Younus
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Jibran Iqbal
- College of Natural and Health Sciences, Zayed University, Abu Dhabi, PO Box 144534, United Arab Emirates
| | - Nawshad Muhammad
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Fozia Rehman
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Muhammad Tariq
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan
| | - Abdul Niaz
- Department of Chemistry, University of Science and Technology Bannu, Bannu 28100, Khyber Pakhtunkhwa, Pakistan
| | - Syed Badshah
- Institute of Chemical Sciences, Gomal University, Dera Ismael Khan 29220, Khyber Pakhtunkhwa, Pakistan
| | - Tawfik A Saleh
- Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - Abdur Rahim
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan.
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Yue HY, Wu PF, Huang S, Wang ZZ, Gao X, Song SS, Wang WQ, Zhang HJ, Guo XR. Golf ball-like MoS 2 nanosheet arrays anchored onto carbon nanofibers for electrochemical detection of dopamine. Mikrochim Acta 2019; 186:378. [PMID: 31134402 DOI: 10.1007/s00604-019-3495-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 05/12/2019] [Indexed: 10/26/2022]
Abstract
Arrays of molybdenum(IV) disulfide nanosheets resembling the shape of golf balls (MoS2 NSBs) were deposited on carbon nanofibers (CNFs), which are shown to enable superior electrochemical detection of dopamine without any interference by uric acid. The MoS2 NSBs have a diameter of ∼ 2 μm and are made up of numerous bent nanosheets. MoS2 NSBs are connected by the CNFs through the center of the balls. Figures of merit for the resulting electrode include (a) a sensitivity of 6.24 μA·μM-1·cm-2, (b) a low working voltage (+0.17 V vs. Ag/AgCl), and (c) a low limit of detection (36 nM at S/N = 3). The electrode is selective over uric acid, reproducible and stable. It was applied to the determination of dopamine in spiked urine samples. The recoveries at levels of 10, 20 and 40 μM of DA are 101.6, 99.8 and 107.8%. Graphical abstract Schematic presentation of the golf ball-like MoS2 nanosheet balls/carbon nanofibers (MoS2 NSB/CNFs) by electrospining and hydrothermal process to detect dopamine (DA).
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Affiliation(s)
- Hong Yan Yue
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China.
| | - Peng Fei Wu
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Shuo Huang
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China.,Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Zeng Ze Wang
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Xin Gao
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Shan Shan Song
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Wan Qiu Wang
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Hong Jie Zhang
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
| | - Xin Rui Guo
- School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, People's Republic of China
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Sakthivel R, Kubendhiran S, Chen SM, Kumar JV. Rational design and facile synthesis of binary metal sulfides VS 2-SnS 2 hybrid with functionalized multiwalled carbon nanotube for the selective detection of neurotransmitter dopamine. Anal Chim Acta 2019; 1071:98-108. [PMID: 31128761 DOI: 10.1016/j.aca.2019.04.058] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 04/15/2019] [Accepted: 04/25/2019] [Indexed: 02/07/2023]
Abstract
In this work, we report a sensitive and selective electrochemical sensor for the detection of dopamine (DA) neurotransmitter based on VS2-SnS2/f-MWCNT hybrids. Herein, the binary metal sulfide (VS2-SnS2) was synthesized via single step hydrothermal route and hybrids with f-MWCNT via the ultrasonication process. The as-prepared VS2-SnS2/f-MWCNT hybrids were characterized through the FESEM, EDX and elemental mapping, TEM, XPS, Raman and XRD techniques. The electrochemical performance and catalytic activity of the modified electrodes were probed using electrochemical impedance spectra (EIS), cyclic voltammetry (CV) and differential pulse voltammetry (DPV). Interestingly, DPV results exhibits an appreciable linear range from 0.025 to 1017 μM and LOD of 0.008 μM. The selectivity study was performed to prove the high selectivity of the VS2-SnS2/f-MWCNT hybrids modified electrode. Furthermore, the practical applicability of the DA sensor was scrutinized in human serum sample and rat brain sample.
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Affiliation(s)
- Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan, ROC
| | | | - Shen-Ming Chen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan, ROC.
| | - Jeyaraj Vinoth Kumar
- Department of Chemistry, VHNSN College, Virudhunagar, 626001, Tamil Nadu, India; Department of Chemistry, Nanomaterials Laboratory, IRC, Kalasalingam Academy of Research and Education, Krishnankoil, 626 126, Tamil Nadu, India
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Mao G, Du M, Wang X, Ji X, He Z. Simple construction of ratiometric fluorescent probe for the detection of dopamine and tyrosinase by the naked eye. Analyst 2018; 143:5295-5301. [DOI: 10.1039/c8an01640b] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A simple and effective method for constructing a ratiometric fluorescent probe for the detection of dopamine and tyrosinase was developed.
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Affiliation(s)
- Guobin Mao
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Mingyuan Du
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Xinxin Wang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Xinghu Ji
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Zhike He
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
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