carbon paste electrode ferrocene

Ferrocene-Mediated carbon paste electrode modified …

Ferrocene-Mediated carbon paste electrode modified with D-fructose dehydrogenase for batch mode measurement of D-fructose. Boujtita M(1), El Murr N. Author information: (1)Laboratoire d''Analyse Isotopique et Electrochimique de Métabolismes (CNRS UPRSA 6006), Faculté des Sciences et des Techniques, Nantes, France.

Preparation and Electrochemical Characterization of a …

Fabriion of Fc-SWNTs modified glassy carbon electrode for selective and sensitive determination of dopamine in the presence of AA (2005). Ferrocene-containing polyelectrolyte multilayer film-covered electrodes: Electroalytic determination of ascorbic acid and use of inner blocking layers to improve the upper detection limit of the electrodes.

Acetylferrocene Modified Carbon Paste Electrode; A …

1/6/2008· The electroalytic oxidation of hydrazine at a carbon paste electrode spiked with acetylferrocene as a mediator was studied by cyclic voltammetry, differential pulse voltammetry, and chronoamperometry. In contrast to other ferrocenic compounds, acetylferrocene exhibits a chemical irreversible behavior, but it can act as an effective mediator for electroalytic oxidation of hydrazine, …

Ferrocene-containing polymers as electron transfer …

The ferrocene polymers were mixed into carbon paste, which was used for the preparation of aldose‐detecting electrodes by immobilizing ALDH on the carbon paste surface by adsorption. The current responses of the ferrocene polymer modified electrodes were studied and the effect of the polymer structure on the response was examined.

Ceramic Carbon Electrode Modified with Butyloferrocene

acting as electron relay between electrode material and species in solution, represents one of the most popular strategies for electrode modifiion. They can be even-tuallyappliedaselectrochemical,amperometricsensors,if

Sensitive and selective determination of phenylhydrazine in the presence of hydrazine at a ferrocene-modified carbon nanotube paste electrode

carbon paste electrode (curve e) and ferrocene-modified carbon nanotube paste electrode (curve f), there is a dra- matic enhancement of the anodic current at ferrocene-

Analyzing electron transfer properties of ferrocene in …

1/11/2020· The carbon paste was then packed into the cavity of a homemade carbon paste electrode and smoothened on a weighing paper until the surface becomes uniform , , , , , , . Ferrocene immobilized carbon paste electrode (FICPE) was prepared by immobilizing FC (3–15 μ M) on BCPE. 0.8–4.34% of FC added to carbon paste to prepare FMCPE (confine FC with carbon particles).

Electrochemical platform for simultaneous determination …

6/6/2017· A carbon paste electrode (CPE) was modified with graphene and ethyl 2-(4-ferrocenyl-[1,2,3]triazol-1-yl) acetate (EFTA) and used for electroalytic oxidation of levodopa. Under optimum conditions and at pH 7.0, the oxidation of levodopa occurs at a potential about 280 mV (vs. Ag/AgCl) using square wave voltammetry (SWV) which is less positive than that of an unmodified CPE.

Electroalytic Detection of Isoproterenol at a Ferrocene …

A sensitive and selective electrochemical method for the determination of isoproterenol (ISPT) was developed by using a ferrocene multi wall carbon nanotubes paste electrode (FCMWCNTPE). The fabriion of FCMWCNTPE and its electroalytic effect for electrochemical oxidation of ISPT were investigated by electrochemical impedance spectroscopy (EIS) and voltammetric methods.

(PDF) Ferrocene-containing polymers as electron transfer …

Electroanalysis 1995, 7, No. 10 Ferrocene-Containing Polymers in Carbon Paste Electrodes Modified with PQQ-Dependent ALDH 945 use 200 mV as the working potential, even though the maximum some samples were correlated using a control sample, which was The ALDH-FI system with polymer 111 seemed to be the most regularly injected into the system.

Electroalytic Response of Dopamine at a Carbon Paste Electrode Modified with Ferrocene

Carbon paste electrodes modified by ferrocene (Fc) were used for electroalytic oxidation and determination of dopamine. The modified carbon paste electrode shows excellent electroalytic activity toward the oxidation of dopamine (DA) in a phosphate buffervs

Sensitive and Selective Determination of …

In the present paper, the use of a carbon paste electrode modified by ferrocene monocarboxylic acid (FMC) and carbon nanotubes prepared by a simple and rapid method was described. The modified electrode showed an excellent character for electroalytic oxidization of phenylhydrazine (PHZ) and hydrazine (HZ) with a 300 mV separation of both s.

Sensitive Voltammetric Determination of Captopril Using …

1/11/2011· A carbon paste electrode (CPE) modified with ferrocene carboxylic acid (FcCA) and TiO 2 nanoparticles was constructed by incorporating TiO 2 nanoparticles and ferrocene carboxylic acid into the carbon paste matrix. The electrochemical behavior of captopril (CAP) at the surface of the modified electrode was investigated using electroanalytical

Electroalytic Response of Dopamine at a Carbon …

Carbon paste electrodes modified by ferrocene (Fc) were used for electroalytic oxidation and determination of dopamine. The modified carbon paste electrode shows excellent electroalytic

Potentiometric Sensor Based on Carbon Paste Electrode for …

7/1/2021· In this work, a new potentiometric sensor based on carbon paste electrode modified by ferrocene (Fc) is prepared for detecting TRC in simulated electrolytically-treated BW. The performance of the Fc-CPE sensor is studied. Sensors 2021, 21, 350 3 of 10 2.1

Potentiometric Sensor Based on Carbon Paste Electrode for …

7/1/2021· In this work, a new potentiometric sensor based on carbon paste electrode modified by ferrocene (Fc) is prepared for detecting TRC in simulated electrolytically-treated BW. The performance of the Fc-CPE sensor is studied. Sensors 2021, 21, 350 3 of 10 2.1

Peroxidase–ferrocene modified carbon paste electrode …

1/5/1991· Peroxidase–ferrocene modified carbon paste electrode as an amperometric sensor for the hydrogen peroxide assay Peroxidase–ferrocene modified carbon paste electrode as an amperometric sensor for the hydrogen Wang, Joseph 1991-05-01 00:00:00 Department o Physical and Analytical Chemistry , University of Oviedo, 33071-0vied0, Asturias, Spain f Receiwd Septeer 22, 1990.

Electrospun composite nanofibers of poly vinyl …

A simple and novel ferrocene-nanofiber carbon paste electrode was developed to determine curcumin in a phosphate buffer solution at pH=8. ZnO nanoparticles were produced via a sonochemical process and composite nanofibers of PVP/ZnO were prepared by

Carbon paste electrode spiked with ferrocene carboxylic …

30/11/2001· A carbon paste electrode spiked with ferrocene carboxylic acid (FCAMCPE) was constructed by incorporation of ferrocene carboxylic acid in a graphite powder–paraffin oil matrix. It has been shown by direct current cyclic voltammetry and double step chronoamperometry that this electrode can alyze the oxidation of ascorbic acid in aqueous buffered solution.

Electroalytic Characteristics of a 1-[4-(Ferrocenyl …

A carbon-paste electrode spiked with 1-[4-(ferrocenyl ethynyl)phenyl]-1-ethanone was constructed by the incorporation of 1-[4-(ferrocenyl ethynyl)phenyl]-1-ethanone in a graphite powder silicon oil matrix. It shown by cyclic voltammetry and double potential-step

Sensitive Electrochemical Determination of Morphine Using Gold Nanoparticles Ferrocene Modified Carbon Paste Electrode

nanoparticles/Ferrocene modified carbon paste electrode, to be used for the determination of morphine in presence of interference compounds. The electrochemical behaviors of the drug at our modified electrode will be investigated using CV and differential pulse

Electroalytic Response of Dopamine at a Carbon Paste …

Carbon paste electrodes modified by ferrocene (Fc) were used for electroalytic oxidation and determination of dopamine. The modified carbon paste electrode shows excellent electroalytic activity toward the oxidation of dopamine (DA) in a phosphate buffer solution (pH=6.0). A anodic oxidation of DA (in pH=6.0) at the Fc-modified carbon paste electrode occurred at low overpotential (0.18 V

Carbon paste electrode incorporating multi-walled carbon nanotube/ferrocene …

carbon electrode)17 and Trp (e.g., nano-TiO 2/ferrocene carboxylic acid modified carbon paste electrode18 and carbon nanotube paste electrode modified with cobalt salophen),19 individually. Ferrocene and its derivatives are the coordination compounds known

مقاله Electroalytic determination of captopril using a …

The study of electrochemical behavior and determination of captopril, as an angiotensinconvertingenzyme inhibitor using a 1, l′-bis(2-phenylethan-1-ol)ferrocene modified ZnOnanoparticles carbon nanotubes paste electrode is reported.

Differential Pulse Voltammetry Determination of L …

The preparation of ferrocene-modified carbon paste electrode by incorporation of a mediator into a graphite powder–paraffin oil matrix is described. The suitability of this chemically modified electrode for electroalytic oxidation of L-cysteine was studied in buffered solution by cyclic voltammetry and double potential step chronoamperometry.

[PDF] Electrochemical detection of carbidopa using a …

A chemically modified carbon paste electrode (MCPE) containing ferrocene (FC) and carbon nanotubes (CNT) was constructed. The electrochemical behavior and stability of the MCPE were investigated by cyclic voltammetry. The electroalytic activity of the MCPE was investigated and it showed good characteristics for the oxidation of carbidopa (CD) in phosphate buffer solution (PBS). A …

C. Working Electrodes - Chemistry LibreTexts

Carbon electrodes allow scans to more negative potentials than platinum or gold, as well as good anodic potential windows. The most common form of carbon electrode is glassy carbon, which is relatively expensive and difficult to machine. Carbon paste are also