Results 81 to 90 of about 29,652 (200)

A 16 x 16 CMOS amperometric microelectrode array for simultaneous electrochemical measurements [PDF]

open access: yes, 2018
There is a requirement for an electrochemical sensor technology capable of making multivariate measurements in environmental, healthcare, and manufacturing applications.
Accarino, Claudio   +6 more
core   +1 more source

Determination of Hydroquinone in a Square Wave Voltammetry based on Screen Printed Carbon Electrode

open access: yesJournal of Pure and Applied Chemistry Research, 2015
Hydroquinone is a phenolic compound are often used extensively in the cosmetics industry as whitening agent. This compound is very toxic and their use should be monitored.
Alfita Safitri   +2 more
doaj  

Sensitive Electrochemical Determination of Pantoprazole Sodium in Pure Form Pharmaceutical Formulations and Biological Fluid at Glassy Carbon Electrode Using Differential Pulls and Square wave Techniques

open access: yesInternational Journal of Electrochemical Science, 2015
The electrochemical behavior of pantoprazole sodium (PNT) was investigated by cyclic voltammetry, differential pulse and square wave techniques at a glassy carbon electrode in Britton-Robinson electrolyte (pH= 8).They gave one irreversible anodic ...
Abeer M. Elsied H, Gehad G. Mohamed
doaj   +1 more source

Resolution of Key Roles for the Distal Pocket Histidine in Cytochrome c Nitrite Reductases [PDF]

open access: yes, 2015
Cytochrome c nitrite reductases perform a key step in the biogeochemical N-cycle by catalyzing the six-electron reduction of nitrite to ammonium. These multi-heme cytochromes contain a number of His/His ligated c-hemes for electron transfer and a ...
Burlat, Benedicte   +7 more
core   +5 more sources

Electrochemical microsensors for cutaneous surface analysis: Application to the determination of pH and the antioxidant properties of stratum corneum [PDF]

open access: yes, 2008
Potentiometry and cyclic voltammetry were proposed as simple, reliable and non invasive methods for the simultaneous determination of pH and antioxidant properties of skin.
Baur, Jessica   +4 more
core   +2 more sources

Spectroelectrochemical Elucidation of the Kinetics of Two Closely Spaced Electron Transfers [PDF]

open access: yes, 2012
The use of spectroelectrochemistry to facilitate the analysis of an EE mechanism was reported in this work. Using a set of spectra as a function of potential, the spectra of all three oxidation states were determined using evolving window factor analysis.
Keesey, Robert L., Ryan, Michael D.
core   +2 more sources

Electrochemical behaviour of N-acetyl-l-cysteine on gold electrode—A tentative reaction mechanism [PDF]

open access: yes, 2007
The electrochemical behaviour of N-acetyl-l-cysteine (NAC) has been investigated by linear and cyclic voltammetry on gold electrode at room temperature. The results showed two oxidation peaks under acid and neutral conditions and only one in basic medium.
Barus, Carole   +4 more
core   +2 more sources

Electroanalytical determination of 4-nitrophenol by square wave voltammetry on diamond electrodes

open access: yesJournal of the Brazilian Chemical Society, 2003
The anodic voltammetric behavior of 4-Nitrophenol on a Boron-doped diamond electrode in aqueous solution has been studied using square wave voltammetry.
Pedrosa Valber de A.   +2 more
doaj  

SQUARE WAVE VOLTAMMETRIC DETERMINATION OF LEAD IN COMMERCIAL KOHL USING A GLASSY CARBON ELECTRODE

open access: yesJournal of Fundamental and Applied Sciences, 2015
A simple sensitive square wave voltammetric method for the determination of lead contamination of several kohl samples purchased from Algeria retail stores was developed using glassy carbon electrode.
M. A. Saha, M. Alia, A. Rebiai, T. Lanez
doaj   +1 more source

MATHCAD – a Tool for Numerical Calculation of Square-Wave Voltammograms [PDF]

open access: yes, 1999
An alternative approach for numerical calculation of the square-wave voltammograms using the mathematical programming package MATHCAD is presented. A quasi-reversible redox reaction is considered and a mathematical model is developed under conditions ...
Gulaboski, Rubin, Mirceski, Valentin
core  

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