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Showing 1 to 20 of 74 for “"Amperometric"”.
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Third generation amperometric biosensors
Contains fulltext : mmubn000001_149152361.pdf (Publisher’s version ) (Open Access)
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Development of Dual-Electrode Amperometric Detectors for Liquid Chromatography and Capillary Electrophoresis
Abstract The body of this research was focused on the use and development dual-electrode detection schemes for liquid chromatography and capillary electrophoresis. These detection schemes were developed to investigate redox chemistries for endogenous and exogenous antioxidants that play key roles …
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Determination of formaldehyde by ion exclusion and ion exchange separation with amperometric detection
… and ion exchange separation followed by amperometric detection. Optimum eluant compositions and separation columns for the best separation have been determined, as well as the optimum working electrode, electrolytes, and applied potentials for the best detection. An internal …
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Design And Characterization Of An Embedded Amperometric Analyzer For Field-Portable Electrochemical Applications
A novel miniaturized amperometric analyzer with enhanced performance was developed to meet the need of field-portable, wide adaptable, user friendly, and cost effective electrochemical detection in various application fields. Based on the new MSP430FG479 microcontroller, the embedded system was …
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Modified Electrodes for Amperometric Determination of Glucose and Glutamate Using Mediated Electron Transport
The main goal of this research was to develop an easy to prepare and sensitive biosensor that would be able to detect glutamate in solution using ionic self-assembly methods. This was accomplished by preparing an ionically-self-assembled monolayer that included an electron transport mediator and an …
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Solid state amperometric sensor for the in-situ monitoring of slag composition and transport properties
… additional information can be gained by using amperometric techniques. Three different amperometric techniques were examined for use in an in-situ, zirconia-based sensor to monitor the easily dissociable oxide composition of high temperature metallurgical slags. Applied DC potential steps and …
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Amperometric responses of some biosensor-related analytes at electrodes coated with semipermeable polymer layers: a comparative study /
Amperometric responses of hydrogen peroxide, ascorbate and paracetamol have been studied at platinum electrodes coated with Nafion or electropolymerized polypyrrole and poly(o-phenylenediamine) and polyaniline (PANI) layers. Among the three layers studied, the Nafion layer shows superior …
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Rapidly Scanning Coulostatic Liquid Chromatography/electrochemistry Combined With Conventional Amperometric Detection in a Series Dual-Electrode Cell
The technique of rapidly scanning coulostatic pulse amperometry is combined with conventional fixed-potential amperometry in a series dual-electrode cell to create a novel detector for high performance liquid chromatography. After a preliminary period of electrode evaluation, a flow cell was …
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Amperometric biosensor systems prepared on poly (aniline-ferrocenium hexafluorophosphate) composites doped with poly(vinyl sulfonic acid sodium salt)
… is the development of a nanocomposite mediated amperometric biosensor for detection of hydrogen peroxide. The aim is to combine the electrochemical properties of both polyaniline and ferrocenium hexafluorophosphate into highly conductive nano composites capable of exhibiting electrochemistry in …
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The development of an online amperometric technique to measure free and WAD cyanide in gold plant leach liquors and effluent streams
… the selection of an appropriate reagent,with amperometric finish. Thereafter, the technique was validated in the laboratory to include the capabilities of the prototype instrument in terms of accuracy and precision (0.5-100 ppm WAD CN). Various local trials were conducted in order to validate …
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Field study of performance of rectangular chlorine contact tanks
… chlorine residuals throughout each tank by the Amperometric Titration method. Each tank was divided into a grid system, and samples were taken at various depths across the width and length of the tank. List results showed that the baffled tanks provided less short circuiting, especially the …
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Neurochemical Monitoring in a Humanised Murine Model of Parkinson’s Disease using Amperometry and Microdialysis
… Parkinson’s disease (PD) through the amperometric monitoring of nitric oxide (NO), oxygen (O2) and hydrogen peroxide (H2O2) coupled with microdialysis sampling. The development of a humanised mouse model of PD provides an invaluable tool in which to study PD in a physiological setting. …
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I. Amperometric Titration of Calcium With the Disodium Salt of Ethylenediamine Tetraacetic Acid. Ii. A Study of the Adsorption and Electroreduction of Fumaric and Maleic Acids on Metal Surfaces
Made available in DSpace on 2014-12-05T19:36:07Z (GMT). No. of bitstreams: 1 0010552.pdf: 5240008 bytes, checksum: e51dfcbac97110d4b847f1bbd1796c89 (MD5) Previous issue date: 1954
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Microcomputer-Controlled Titrimetric and Spectrophotometric Systems and Analytical Applications
… UV-vis spectrophotometric, potentiometric and amperometric end-point detection and acid-base, redox, compleximetric, and precipitation reactions in aqueous and non-aqueous titration media. Titrants can
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Flow Effects Upon the Repassivation of Iron and Cobalt in Neutral and Acidic Solutions
… subsequent depassivation were simulated through amperometric reduction of the oxide layer. Repassivation of iron, cold rolled steel, and cobalt in neutral and acidic aqueous sulfate solutions was investigated by observing electrochemical current and potential transients under controlled variation …
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Silicon Piezoresistive Microcantilever For Potentiometric Sensing
… adsorption/desorption of target molecules. The amperometric chemical sensing devices have been shrunk down from micro to nano scale during last decades. In addition to conductance, it is very attractive to apply surface potential as a signature for chemical detection. In this work, …
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Electrochemical immunosensor based on cyclodextrin supramolecular interactions for the detection of human chorionic gonadotropin
… are important enzymes for the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, …
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Electrochemical Immunosensor based on Cyclodextrin Supramolecular interactions for the detection of human chorionic gonadotropin
… are important enzymes for the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, …
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Electrochemical immunosensor based on cyclodextrin supramolecular interactions for the detection of human chorionic gonadotropin
… are important enzymes for the development of amperometric enzyme linked immunosensors. The selectivity of each enzyme towards its analyte deepens its importance in determining the sensitivity of the resultant immunosensor. In designing immunosensors that have customized transducer surfaces, …
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