Fabrication of Fe3O4 Nanoparticles Modified Electrode and Its Application for Voltammetric Sensing of Dopamine

Fang, Bin; Wang, Guangfeng; Zhang, Wenzhi; Li, Maoguo; Kan, Xianwen

doi:10.1002/elan.200403136

Cited by 100 publications

(45 citation statements)

References 17 publications

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“…On the other hand, a literature survey reviled that there is a similar report on application of Fe 3 O 4 MNP in voltammetric sensing of DA by using a gold electrode [26]. But there are distinct differences between our work and previous papers.…”

Section: Amount Of Mnpcontrasting

confidence: 48%

“…So it is of interest to examine the interaction of biologically active molecules such as DA by ferromagnetic nanoparticles. There are few reports on the electrochemical study of Fe 3 O 4 MNPs interaction with DA [24][25][26]. In all reported works, Fe 3 O 4 MNPs were employed in determination of DA via strategy (i), that is, oxidation potential separation.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Dopamine Sensor Based on Pre-Concentration by Magnetic Nanoparticles

Bagherzadeh¹,

Ansari

Riahi³

et al. 2013

International Journal of Electrochemistry

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Herein, Fe 3 O 4 magnetic nanoparticles (MNPs) were synthesized and characterized. Afterward, a magnetic carbon paste electrode (MCPE) was modified with MNPs via casting and drying MNPs on top of the MCPE (MCPE/MNP). Electrochemical behavior of the MCPE/MNP was studied by cyclic voltammetry in the presence of [Fe(CN) 6 ] 3−/4− as a redox probe, and surface p of MNPs was evaluated as 6.3 ± 0.1. The behavior of MCPE/MNP towards dopamine (DA) and ascorbic acid (AA) has been investigated by electrochemical methods, and the obtained results showed that the MCPE/MNP has adsorption behavior towards only DA. Based on this behavior, the DA molecules were pre-concentrated on top of the MCPE/MNP and followed with stripping in DA free solution. Subsequent to experimental and instrumental optimization, a calibration curve from 5.0 × 10 −6 to 1.0 × 10 −3 M DA with 2 = 0.999, DL = 7.6 × 10 −7 M DA, and RSD = 4.6%, was obtained in the presence of 1.0 × 10 −3 M AA. Performance of the MCPE/MNP was successfully tested in a pharmaceutical sample.

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Section: Amount Of Mnpcontrasting

confidence: 48%

Section: Introductionmentioning

confidence: 99%

A Dopamine Sensor Based on Pre-Concentration by Magnetic Nanoparticles

Bagherzadeh¹,

Ansari

Riahi³

et al. 2013

International Journal of Electrochemistry

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“…Precious metal nanoparticles and nanoalloys modified electrodes have exhibited superior sensing performances (i.e., wide linear ranges, low detection limit, good stability and selectivity) [12][13][14], but their scarcity and cost has limited practical applications. To solve this problem, various transition metals or metal oxides modified electrodes have become ideal alternative modification materials [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Morphologically Tunable MnO2 Nanoparticles Fabrication, Modelling and Their Influences on Electrochemical Sensing Performance toward Dopamine

Liu

et al. 2018

Catalysts

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Abstract:The morphology or shape of nanomaterials plays an important role in functional applications, especially in the electrochemical sensing performance of nanocomposites modified electrodes. Herein, the morphology-dependent electrochemical sensing properties of MnO 2 -reduced graphene oxide/glass carbon electrode (MnO 2 -RGO/GCE) toward dopamine detection were investigated. Firstly, various morphologies of nanoscale MnO 2 , including MnO 2 nanowires (MnO 2 NWs), MnO 2 nanorods (MnO 2 NRs), and MnO 2 nanotubes (MnO 2 NTs), were synthesized under different hydrothermal conditions. Then the corresponding MnO 2 -RGO/GCEs were fabricated via drop-casting and the subsequent electrochemical reduction method. The oxidation peak currents increase with the electrochemical activity area following the order of MnO 2 NWs-RGO/GCE, MnO 2 NTs-RGO/GCE, and MnO 2 NRs-RGO/GCE. The spatial models for MnO 2 NWs, MnO 2 NTs, and MnO 2 NRs are established and accordingly compared by their specific surface area, explaining well the evident difference in electrochemical responses. Therefore, the MnO 2 NWs-RGO/GCE is selected for dopamine detection due to its better electrochemical sensing performance. The response peak current is found to be linear with dopamine concentration in the range of 8.0 × 10 −8 mol/L-1.0 × 10 −6 mol/L and 1.0 × 10 −6 mol/L-8.0 × 10 −5 mol/L with a lower detection limit of 1 × 10 −9 mol/L (S/N = 3). Finally, MnO 2 NWs-RGO/GCE is successfully used for the determination of dopamine injection samples, with a recovery of 99.6-103%. These findings are of great significance for understanding the relationship between unlimited nanoparticle structure manipulation and performance improvement.

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“…The iron oxide (Fe2O3) nanoparticles were synthesized by various methods as electrochemical synthesis [5], laser pyrolysis [6], chemical reduction [7] etc. Iron oxide nanoparticles has wider application in biomedicine [8] selfcleaning coatings, topical sunscreens, and antimicrobial soaps [9][10][11][12][13], ferrofluids [14], catalysts [15], separation process [16], batteries [17], sensors [18] and environmental remediation [19]. In recent times, green synthesis of iron oxide NPs using biological agents have become popular among the scientist across the world.…”

Section: Introductionmentioning

confidence: 99%

Biosynthesis and Characterization of Iron Oxide Nanoparticles Synthesized using Earthworm Based Extracts

Sivaprakasam¹,

Mahalingam²

2018

JNST

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Iron oxide (β-Fe2O3) nanoparticles were synthesized through a biological method using earthworm based extracts like Eudrilus eugineae vermiwash, Eisenia fetida vermiwash, Eudrilus eugineae crushed extract, Eisenia fetida crushed extract, Eudrilus eugineae warm water extract, Eisenia fetida warm water extract and cow dung extract as a reducing and stabilizing agents. The development of β-Fe2O3 nanoparticles in the reaction mixture was determined by UV-visible spectroscopy. Followed by, the synthesized β-Fe2O3 nanoparticles were characterized by X-ray diffraction, Fourier transforms infrared spectroscopy, scanning electron microscopy, and energy dispersive X-ray and transmission electron microscopy. Synthesized β-Fe2O3 NPs are characterized as crystalline structure of hexagonal shape with particle size of 2.08-94.37 nm and carrying unique functional groups. Bioefficiency of β-Fe2O3 was assessed through In-vitro seed germination study with green gram (Vigna radiata) and results revealed that 200 mg concentrations of α Fe2O3 supported better seed germination and early growth in V. radiata.

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Fabrication of Fe3O4 Nanoparticles Modified Electrode and Its Application for Voltammetric Sensing of Dopamine

Cited by 100 publications

References 17 publications

A Dopamine Sensor Based on Pre-Concentration by Magnetic Nanoparticles

A Dopamine Sensor Based on Pre-Concentration by Magnetic Nanoparticles

Morphologically Tunable MnO2 Nanoparticles Fabrication, Modelling and Their Influences on Electrochemical Sensing Performance toward Dopamine

Biosynthesis and Characterization of Iron Oxide Nanoparticles Synthesized using Earthworm Based Extracts

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