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Research Interests: Analytical Chemistry, Electrochemistry, Carbon, Food Chemistry, Multidisciplinary, and 34 moreHumans, Caffeine, Potentiometry, Human Body, Calibration, Animals, Boron, Prednisolone, High Performance Liquid Chromatography, Diamond, Time Factors, Tablets, Reproducibility of Results, Oxidation, Acetaminophen, Pharmaceutical Preparation, Food Products, Electrodes, Electrode, Pyrolytic Graphite (Pyrographite), Modified Electrode, Hydrogen-Ion Concentration, Body Fluids, Square Wave Voltammetry, Electrochemical method, Linear System and Response, Chemical Modification, Nanotubes Carbon, Boron Doped Diamond, Differential Pulse Voltammetry, Square wave, Pharmaceutical Formulation, Standard Curve, and Pharmaceutical preparations
This work describes an electroanalytical investigation of dopamine using cyclic voltammetry (CV) and the graphite–polyurethane composite electrode (GPU). In CV studies, well-defined redox peaks characterize the oxidation process at the... more
This work describes an electroanalytical investigation of dopamine using cyclic voltammetry (CV) and the graphite–polyurethane composite electrode (GPU). In CV studies, well-defined redox peaks characterize the oxidation process at the GPU electrode, which is indicative of electrocatalytic effects associated with active sites on the GPU electrode surface. A new analytical methodology was developed using the GPU electrode and square wave
Research Interests: Engineering, Electrochemistry, Cyclic Voltammetry, Biological Sciences, Dopamine, and 16 moreCerebrospinal Fluid, Graphite, Reliability Analysis, Analytical, CHEMICAL SCIENCES, Development Methodology, Ascorbic Acid, Active site, Polyurethanes, Reproducibility of Results, Analytical and Bioanalytical Chemistry, Electrodes, Sensitivity and Specificity, Optimality Condition, Square Wave Voltammetry, and Electrochemical Oxidation
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This paper presents the use of elastomeric polyurethane (PU), derived from castor oil (CO) biosource, as a new material for fabrication of microfluidic devices by rapid prototyping. Including the irreversible sealing step, PU microchips... more
This paper presents the use of elastomeric polyurethane (PU), derived from castor oil (CO) biosource, as a new material for fabrication of microfluidic devices by rapid prototyping. Including the irreversible sealing step, PU microchips were fabricated in less than 1h by casting PU resin directly on the positive high-relief molds fabricated by standard photolithography and nickel electrodeposition. Physical characterization of
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Research Interests: Analytical Chemistry, Electrochemistry, Carbon, Food Chemistry, Multidisciplinary, and 34 moreHumans, Caffeine, Potentiometry, Human Body, Calibration, Animals, Boron, Prednisolone, High Performance Liquid Chromatography, Diamond, Time Factors, Tablets, Reproducibility of Results, Oxidation, Acetaminophen, Pharmaceutical Preparation, Food Products, Electrodes, Electrode, Pyrolytic Graphite (Pyrographite), Modified Electrode, Hydrogen-Ion Concentration, Body Fluids, Square Wave Voltammetry, Electrochemical method, Linear System and Response, Chemical Modification, Nanotubes Carbon, Boron Doped Diamond, Differential Pulse Voltammetry, Square wave, Pharmaceutical Formulation, Standard Curve, and Pharmaceutical preparations
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This paper describes the development of a low cost current follower, suitable for current measurements in the pico to micro-ampere range in general laboratory and field applications. The versatile instrument is designed for voltammetric... more
This paper describes the development of a low cost current follower, suitable for current measurements in the pico to micro-ampere range in general laboratory and field applications. The versatile instrument is designed for voltammetric measurements with ultramicroelectrodes, in a two-electrode cell configuration. The signal output can be monitored either by using an analog-to-digital converter or by a conventional electromechanical recorder.
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... J. Nutr. Biochem. , 7: 6676. [CrossRef], [Web of Science ®] View all references). These polyphenolic compounds are found in vegetables, fruits, honey, teas, and among other products of human consumption. ... Ensafi and Hajian... more
... J. Nutr. Biochem. , 7: 6676. [CrossRef], [Web of Science ®] View all references). These polyphenolic compounds are found in vegetables, fruits, honey, teas, and among other products of human consumption. ... Ensafi and Hajian (2006)6. Ensafi, AA and Hajian, R. 2006. ...