Pencil Graphite
The Influence of Pencil Graphite Hardness on Voltammetric Detection of Pentachlorophenol
... including pencil graphite electrode, carbon paste electrode modified with pencil graphite as well as powder electrode were prepared and used for the detection of ...the pencil ...
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Sodium dodecyl sulfate modified pencil graphite electrode sensor for dopamine oxidation in presence of ascorbic acid
... Pencils are available everywhere with different hardness- softness and diameters and this PGE has used for several investigations (Karadeniz et al., 2003, Levent et al., 2009, Vestergaard et al., 2005, Erdem 2006, Ozsoz ...
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Electrochemically Reduced Graphene Oxide Pencil-Graphite in situ Plated Bismuth-film Electrode for the Determination of Trace Metals by Anodic Stripping Voltammetry
... a pencil-graphite electrode (PGE) modified with electrochemically reduced graphene oxide (ERGO) sheets and in conjunction with an in situ plated bismuth-film ...to pencil-graphite electrodes ...
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Copper Nanoparticles/Poly Neutral Red Modified Pencil Graphite Electrode for Electroanalysis of Folic Acid
... Nanostructures due to their extraordinary physicochemical properties have gained in the area of biosensing, recently. Among them, metallic nanoparticles have attracted considerable attention from scientific communities ...
11
Nafion-Graphene Nanocomposite in situ Plated Bismuth-film Electrodes on Pencil Graphite Substrates for the Determination of Trace Heavy Metals by Anodic Stripping Voltammetry
... inexpensive pencil graphite rods, modified with a Nafion-graphene nanocomposite, in conjunction with an in situ plated bismuth-film is reported as electrochemical sensor for the determination of trace ...
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Electrochemical Detection of Insulin in Blood serum using Ppy/GF Nanocomposite Modified Pencil Graphite Electrode
... study, pencil graphite electrode (PGE) was modified using conductive polypyrrole (Ppy) and graphene (GF) nanocomposite for electrochemical determination of ...
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Determination of Epinephrine using a Novel Sensitive Electrochemiluminescence Sensor based on ZnO Nanoparticles Modified Pencil Graphite Electrode
... The accurate determination of epinephrine is important for medical application. In the paper, a novel electrochemiluminescence (ECL) sensor, ZnO nanoparticles modified pencil graphite electrode (ZnO/PGE) ...
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Fabrication of Nanostructured Copper Thin Films at Disposable Pencil Graphite Electrode and its Application to Elecrocatalytic Reduction of Nitrate
... technique should be applied. In this method, first an appropriate reductive pulse current was applied to the surface of substrate for a short time, as a result of which, potential of electrode was set on the diffusion ...
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Development of chemically modified pencil graphite electrode based on benzo-18-crown-6 and multi-walled CNTs for determination of lead in water samples
... bare pencil graphite electrode to detect Pb (II) ions in the water samples was reported [10]. The current study presented here describes the modification of PGE based on p-ABSA Benzene-18-crown-6 and ...
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Comparative Voltammetric Behavior and Determination of Mephenesin in Pure Form, Pharmaceuticals and Biological Fluids at Pencil Graphite and Glassy Carbon Electrodes
... Abstract: New voltammetric methods are introduced for the determination of a skeletal muscle relaxant namely; mephenesin (Mep) in its pure form with the application in the pharmaceutical preparation and biological ...
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Amperometric and differential pulse voltammetric determination of 5 Hydroxy L tryptophan in pharmaceutical samples using gold modified pencil graphite electrode
... Quantitative evaluation of 5-Hydroxy-L-tryptophan (5-HTP) in seed powder of Griffonia simplicifolia (pharmaceutical tablet source) using gold modified pencil graphite electrode (GPGE) was carried out by ...
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Poly(L-Cysteine) Modified Pencil Graphite Electrode for Determination of Sunset Yellow in Food and Beverage Samples by Differential Pulse Voltammetry
... In this study, we have focused on the use of a poly(L-cysteine) (PLC) modified pencil graphite electrode (PGE) as a sensor for determination of Sunset Yellow (SY). The performance of the modified electrode ...
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Ultrasensitive Electrochemiluminescence Sensor for Specific Detection of Rutin Based on CdS Modified Pencil Graphite Electrode
... electrodes[17], pencil graphite electrodes (PGEs) possess the advantages of high electrochemical reactivity, good mechanical rigidity, disposability, low cost and easy to be prepared ...[19]. Pencil ...
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Comparative Voltammetric Analysis of Adenine and Xanthine on a Pencil Graphite Electrode in the Presence of Copper Ions
... This work compares voltammetric responses of adenine (Ade) and xanthine (Xan) on a pencil graphite electrode (PeGE) in the presence of copper ions. For electroanalytical monitoring linear sweep voltammetry ...
12
Silver/Bismuth/Nafion Modified Pencil Graphite Electrode for Trace Heavy Metal Determination
... Anodic stripping voltammetry was conducted with the use of the BST8 Potentiostat. For the three-electrode set-up, the counter electrode utilized in the study was a platinum coil while the reference electrode was the ...
13
Amperometric Determination of Serum Cholesterol with Pencil Graphite Rod
... pencil rod was washed thoroughly with the same buffer and then put into 0.2% enzyme solution. After keeping it at 4˚C for 8h, the rod was taken off and washed thor- oughly with the reaction buffer & tested for ...
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Voltammetric determination of tannic acid in beverages using pencil graphite electrode
... Tannic acid (TA) is a natural phenolic compound which can be found in fruits and many kinds of plants. The content of TA in fruits, tea, and beer can strongly influence their taste, and hence, it is an important ...
5
Supercapacitor Applications of Polyaniline and Poly(N-methylaniline) Coated Pencil Graphite Electrode
... materials and the electrolyte solution [6,7]. Another type of supercapacitor, referred to as a pseudocapacitor, provides its capacitance from faradaic redox reactions occurring within the active materials of electrode ...
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Highly Sensitive Electrochemical Determination of Dopamine with an Overoxidized Polypyrrole Nanofiber Pencil Graphite Electrode
... The mass transfer type is diffusion in the electrochemical determination of dopamine. Therefore, the more the surface area of the electrode, the more the amount of DA that is diffused on the electrode surface, thus ...
17
A Hybrid Backtracking and Pencil and Paper Sudoku Solver
... the pencil and paper method, backtracking, alternating projections, genetic algorithm and simulated ...The pencil and paper method also known as human method is very efficient for easy and medium Sudoku ...
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