Pulse voltammetry
Electrochemical study of methimazole and its direct determination in pharmaceutical preparations and human serum by square wave and differential pulse voltammetry
... The goal of this work was the development of new voltammetric methods for the direct determination of methimazole in pharmaceutical preparations and spiked human serum samples without any time-consuming extraction or ...
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Differential Pulse Voltammetry Determination of Anti- Hypertensive Drug Hydrochlorothiazide in Pharmaceuticals Using Glassy-Carbon Electrode Modified by Electropolymerization with L- and D- Glutamic Acids
... A new modified glassy carbon electrode based on the electropolimerization of L-GA and D-GA for the determination of HCTZ in water was developed. Moreover, with both modified electrodes, GC/L-PGA and GC/D-PGA, the ...
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Optimization of Paired Pulse Voltammetry Using Sawhorse Waveform
... paired-pulse voltammetry (PPV), which consists of two identical triangle-shaped pulses, was studied in this study by increasing peak potential ...primary pulse in PPV decreased in a linear fashion ...
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Rigorous Analytical Solution for EC Mechanism in Normal Pulse Voltammetry at Spherical Electrodes and Microelectrodes
... Electrochemical processes involving a follow-up homogeneous chemical reaction are very common and largely examined in the literature. A rigorous analytical solution for chronoamperometry and Normal Pulse ...
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Electrochemical Behavior of Atorvastatin at Glassy Carbon Electrode and its Direct Determination in Pharmaceutical Preparations by Square Wave and Differential Pulse Voltammetry
... indicate that this peak at higher concentrations is affected by adsorption-desorption phenomena. The calibration curves were linear for atorvastatin at the concentration range of 1-50 µg/ml or square wave and ...
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Determination of Metal Ions in the Plasma of Children with Tumour Diseases by Differential Pulse Voltammetry
... The aim of this study was to investigate the interaction between lead ions and ethylenediaminetetraacetic acid (EDTA) in plasma. EDTA is widely used in medicine as anticoagulant agent. Understanding of the influence of ...
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Effect of Extraction Method on Antioxidant Determination in Produce by Differential Pulse Voltammetry
... Due primarily to the many health benefits associated with a diet high in antioxidants, numerous assays have been developed to determine antioxidant content of foods. However, most are time-consuming and costly. This ...
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Electrochemical Properties of Chlorogenic Acids and Determination of Their Content in Coffee Using Differential Pulse Voltammetry
... Therefore, the aims of this study were: i to investigate the electrochemical properties of nine chlorogenic acids contained in coffee 3-CQA, 4-CQA, 5-CQA, 3,4-diCQ, 3,5-diCQA, 4,5-diCQA,[r] ...
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Employment of Electrochemical Methods for Assessment of the Maize (Zea mays L.) and Pea (Pisum sativum L.) Response to Treatment with Platinum(IV)
... differential pulse voltammetry and high performance liquid chromatography with electrochemical detection for determination of Pt(IV) content, amino acids, reduced (GSH) and oxidized (GSSG) glutathione ...
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Anodic oxidation of etodolac and its linear sweep, square wave and differential pulse voltammetric determination in pharmaceuticals
... cyclic voltammetry, linear sweep voltammetry, square wave voltammetry and differential pulse voltammetry methods were developed and validated for determination of etodolac in ...
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The Behavior of Ciprofloxacin at a DNA Modified Glassy Carbon Electrodes
... A glassy carbon electrode (0.071 cm 2 ) was polished with alumina powder and was then rinsed thoroughly with distilled water to obtain a mirror-like, shiny electrode surface. The dsDNA-modified electrode was prepared by ...
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Electrochemical Behavior of an Anti-Cancer Drug at Glassy Carbon Electrode and its Determination in Pharmaceutical Formulations
... was studied using different electroanalytical techniques. Considerably improved sensitivity can be achieved by application of differential pulse voltammetry for the determination of CPT. Sharper and well ...
12
Electrocatalytic Determination of Isoniazid by a Glassy Carbon Electrode Modified with Poly (Eriochrome Black T)
... In this work, poly eriochrome black T (EBT) was electrochemically synthesized on the glassy carbon electrode as electrode modifier. On the modified electrode, voltammetric behavior of isoniazid (INH) was investigated. ...
10
Voltammetric Determination of the Cough Suppressant Drug Dropropizine in its Pharmaceutical Formulations and Human Urine
... differential pulse voltammetry, and on the basis of these voltammetric studies an analytical procedure for the determination of the drug in its pharmaceutical formulation and human urine was ...
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Highly Selective Differential Pulse Voltammetric Determination of Uric Acid using Modified Glassy Carbon Electrode
... The peak current of uric acid oxidation at the surface of the modified electrode can be applied for determination of uric acid in the solution.. Therefore, differential pulse voltammetry[r] ...
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Electrochemical Properties of Catechin in Non-Aqueous Media
... Cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were performed with an Autolab controlled by GPES software, version 4.8 (EcoChemie, The Netherlands). A three-electrode system was ...
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Plasmid HIV p24 Gene Detection on Mercury Film Electrode using Osmium Labelling
... differential pulse voltammetry detection, consisted of p24 gene, the oligonucleotide probe to anchor the construct to magnetic particles and the second probe modified by OsO 4 (bpy) to enable ...
10
Femtogram Electroanalytical Detection of Prostatic Specific Antigen by Brdicka Reaction
... Prostatic-specific antigen is considered as the best marker for prostate cancer. Due to the importance of PSA for diagnostic purposes it is not surprising that there are tested and optimized various methods for its ...
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Potentiometric, electrochemical and UV/VIS investigation of a copper (II) complex with β-alanyl-L-histidine
... In this study complexation of β-alanine, L-histidine and L-carnosine with copper was studied by potentiometry, cyclic and differential pulse voltammetry and UV/VIS spectroscopy in a buffer at pH = 10. At ...
10
Electrochemical Behavior and Determination of Chlorogenic Acid Based on Carbon Nanotubes Modified Screen-Printed Electrode
... Abstract: In this paper, carbon nanotubes modified screen-printed electrode (CNTs/SPE) was prepared and the CNTs/SPE was employed for the electrochemical determination of antioxidant substance Chlorogenic acids (CGAs). A ...
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