The well-known electrochemical probe Fe(CN)63-/Fe(CN)64- is widely used for estimating the electrochemically active area of electrodes modified with carbon nanotubes, conductive polymers, enzymes, etc. In this study, we platinum electrode, smooth or platinized different roughness factors, to demonstrate that such a redox couple fails respond surface variation. We determined factors Pt surfaces ...

ABSTRACT. The mechanical attachment method was used to modify the glass carbon electrode (GCE) with polyaniline nanoparticles (PANI NPs) produce a new nanosensor (PAN NPs/GCE). Electrochemical properties studied by nano working using cyclic voltammetric (CV) technique develop oxidation – reduction reaction. K4[Fe(CN)6] solution is one of standard solutions for CV titration redox peak current Fe...

Background: Mitoxantrone (MXT) is a drug for cancer therapy and a hazardous pharmaceutical to the environment which must be removed from contaminated waste streams. In this work, the removal of MXT by the electro-Fenton process over heterogeneous and homogenous catalysts is reported. Methods: The effects of the operational conditions (reaction medium pH, catalyst concentration and utilized cur...

A carbon electrodes have been used in electrochemistry for more than a century, there has been renewed recent interest in electron transfer at carbon surfaces due to the development of graphene and carbon nanotube (CNT) materials. This Comment regards reports of heterogeneous electron transfer (ET) rates on highly ordered pyrolytic graphite (HOPG), which is often used as a model for single crys...

We have designed a novel hybrid nanostructure by coating Fe₂O₃ nanoparticles with multi-walled carbon nanotubes to enhance the lithium storage capability of Fe₂O₃. The strategy to prepare Fe₂O₃@MWCNTs involves the synthesis of Fe nanoparticles wrapped in MWCNTs, followed by the oxidation of Fe nanoparticles under carbon dioxide. When used as the anode in a Li-ion battery, this hybrid material (...

Sonicated mitochondria catalyse the reduction of ferric salts, and the subsequent incorporation of Fe(2+) into haem, when provided with a reducing substrate such as succinate or NADH. The rate of haem synthesis was low under aerobic conditions and, after a short lag period, accelerated once anaerobic conditions were achieved; it was insensitive to antimycin A. The lag period was decreased by pr...

In this research, the efficiency of electrocoagulation treatment process using iron and aluminum electrodes to treat synthetic wastewater containing Reactive Red 24 (RR 24) was studied. The effects of parameters such as current density, pH, type of electrolyte, initial dye concentration, electrolyte concentration, temperature, and inter electrode distance on dye removal efficiency were investig...

A new Schiff base 2-aminothiophenol furfural self assembled monolayer (SAM) has been fabricated on a bare gold electrode as a novel sensor for determination of dopamine. Electrochemical impedance spectroscopy was utilized to investigate the properties of the Au 2-aminothiophenol furfural self assembled monolayer modified electrode (Au ATF SAM-ME) using the [Fe(CN)6] 3-/4redox couple. The electr...