Carbon Nanotube Paste Electrode
Simultaneous Determination of Phenylhydrazine, Hydrazine and Sulfite Using a Modified Carbon Nanotube Paste Electrode
... modified carbon nanotube paste ...modified electrode showed an excellent character for electrocatalytic oxidization of PH, hydrazine (HZ) and sulfite ...
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Novel Carbon Nanotube Paste Electrode for Simultaneous Determination of Norepinephrine, Uric Acid and D-Penicillamine
... modified carbon paste electrode (EBNBHCPE) (curve e), carbon nanotube paste electrode (CNPE) (curve d) and bare CPE (curve ...of carbon nanotube and mediator ...
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Simultaneous Voltammetric Determination of Norepinephrine and Folic Acid at the Surface of Modified Carbon Nanotube Paste Electrode
... The redox response of a modified carbon nanotube paste electrode of ferrocenemonocarboxylic acid (FMC) was investigated. Differential pulse voltammetric peak currents of norepinephrine (NE) ...
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Evaluation of Carbon Nanotube Paste Electrode Modified With Copper Microparticles and Its Application to Determination of Quercetin
... modified carbon nanotube paste electrode by the incorporation of copper microparticles as modifying ...the electrode surface. However, the CNTPE-Cu electrode presented a lower ...
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Simultaneous Voltammetric Determination of Epinephrine and Acetaminophene at the Surface of Modified Carbon Nanotube Paste Electrode
... of electrode processes at chemically modified ...working electrode potential at 550 mV (at the first potential step) and at 100 mV (at second potential step) for various concentrations of EP ...
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Simultaneous Voltammetric Determination of Norepinephrine and Acetaminophen at the Surface of a Modified Carbon Nanotube Paste Electrode
... uniformly-wetted paste was obtained. The paste was then packed into the end of a glass tube ...the carbon paste provided the electrical ...the paste out of the tube and polishing with a ...
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Voltammetric Determination of Carbidopa Using a modified Multiwall Carbon Nanotube Paste Electrode
... comparing the current in Fig. 2 (curve d, without CD) with the one in the presence of CD in Fig. 2 (curve c). It is apparent that the anodic current associated with the surface-attached materials is significantly less ...
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Electrocatalytic Determination of Carbidopa and Acetaminophen Using a Modified Carbon Nanotube Paste Electrode
... comparing the current in Fig. 1 (curve b, without CD) with the one in the presence of CD in Fig. 1 (curve a). It is apparent that the anodic current associated with the surface-attached materials is significantly less ...
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Electrochemical Sensor for Determination of Ascorbic Acid Using a 2-Chlorobenzoyl Ferrocene/Carbon Nanotube Paste Electrode
... Ascorbic acid and all other reagents were of analytical grade and were obtained from Merck (Darmstadt, Germany). The buffer solutions were prepared from ortho- phosphoric acid and its salts in the pH range of 2.0-9.0. ...
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A Comparative Study of Carbon Nanotube paste Electrode for Development of Indicator-free DNA Sensors Using DPV and EIS: Human Interleukin-2 Oligonucleotide as a Model
... Carbon paste electrodes possess advantages of ease of preparation and easy renewable of ...of carbon nanotubes as incorporated particles into a carbon paste electrode improves ...
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Hydroxylamine Electrochemical Sensor Based on a Modified Carbon Nanotube Paste Electrode: Application to Determination of Hydroxylamine in Water Samples
... uniformly-wetted paste was obtained. The paste was then packed into the end of a glass tube ...the carbon paste provided the electrical ...the paste out of the tube and polishing with a ...
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Electrocatalytic Oxidation of Levodopa at a Ferrocene Modified Carbon Nanotube Paste Electrode
... Double potential step chronocoloumetry, as well as other electrochemical methods, was also employed for the investigation of electrode processes at a FCMCNPE. Forward and backward potential step chronocoloumetry ...
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Osmium Polymer Modified Carbon Nanotube Paste Electrode for Detection of Sucrose and Fructose
... modified electrode was used to develop a suc- rose and a fructose biosensor based on the immobiliza- tion of invertase and fructose dehydrogenase on a carbon nanotube ...
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A Sensitive Voltammetric Sensor for Determination of Glutathione Based on Multiwall Carbon Nanotubes Paste Electrode Incorporating Pyrogallol Red
... modified carbon nanotube paste electrode ...new electrode in the electrocatalysis and determination of GSH in a PBS buffer solution and then we evaluated the analytical performance of ...
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Determination of Clobetasol Propionate by Multi-walled Carbon Nanotube-modified Carbon Paste Electrode using Cyclic Voltammetry
... The MWCNTs and the graphite powder were mixed at ratios of 1:5, 1:6, 1:7, 1:8, and 1:9, and five working electrodes were prepared according to the method described in Subsection 1.3. The same 1×10 -5 mol/L CP standard ...
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ZnWO4 Nanorod Modified Electrode for Uric Acid Electrocatalytic Sensing and Application
... glassy carbon electrode; GR, graphene; GO, graphene oxide; TCPP, Porphyrin 5, 10, 15, 20-Tetra (4-pyridyl)-21H, 23H-porphine; CFE, carbon fiber electrode; ERGO, electrochemically reduced ...
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Carbon Paste Electrode Modified by Multiwalled Carbon Nanotube "for Electrochemical Determination" of Vitamin C
... modified electrode is prepared by mixing 60% of pure graphite ...the paste to contact the cell. To activate the electrode surface, cyclic voltammograms were recorded in phosphate buffer solution (pH ...
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Dichromate Ion-selective Sensor Based on Functionalized SBA-15/ Ionic Liquid/MWCNTs/Graphite
... nano-composite carbon paste electrode. Since carbon paste electrode based on MWCNTs and RTILs show better performance in comparison with traditional carbon paste ...
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Effect of Nitric Acid “Washing” Procedure on Electrochemical Behavior of Carbon Nanotubes and Glassy Carbon μ Particles
... to slower heterogeneous electron transfer for ferricyanide [23]. In addition, there are other works demonstrating that an increase in the presence of oxygen-containing groups on MWCNTs [24] and graphite [25] actually ...
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Poly(propyleneimine) Dendrimer-Gold Nanoparticle Modified Exfoliated Graphite Electrode for the Electrochemical Detection of o-nitrophenol
... EG-PPI-AuNP electrode recorded peak current which was 55% higher than that observed on the GCE-PPI-AuNP ...EG electrode was shown to possess higher electroactive surface area than the ...bare ...
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