Showing papers in "Journal of Electroanalytical Chemistry in 2014"

TL;DR: In this article, the authors investigated the influence of the pH on the reaction of carbon dioxide and carbon monoxide to methane and ethylene on copper electrodes and found that the pH is an important parameter in the reaction mechanism.

TL;DR: In this article, a simple and inexpensive successive ionic layer adsorption and reaction (SILAR) method was used to synthesize hybrid thin films for supercapacitors.

TL;DR: In this article, the effect of different parameters such as current intensity (from 1 to 2 A), electrolysis time (from 60 to 120 MIN), recirculation flow rate (from 167 to 333 MIN−1), and anode material (PbO2 and BDD) were investigated by an experimental design methodology.

TL;DR: In this paper, anion exchange reaction and aging treatment in alkaline medium are performed to find their influence on the microstructure and supercapacitive properties of α-Co(OH) 2.

TL;DR: In this paper, the results showed that the combination of EC followed by PEF gave higher organic removal than EC and was more economic than PEF, being able to yield 90% TOC reduction of the tannery wastewater.

TL;DR: In this paper, a hierarchical structure for non-enzymatic glucose sensor applications is presented, which consists of a CuO nanoleaf/ZnO nanorods (NRs) hierarchical architecture, and the XRD pattern revealed the presence of monoclinic phase for CuO and hexagonal phase for ZnO NRs.

TL;DR: In this paper, the evolution of chlorine-related species was investigated by cyclic voltammetric, polarization and electrolytic analyses in order to establish whether their formation and consumption related to either chemical or electrochemical reactions.

TL;DR: In this article, a simple analytical approximation of the MHC integral that interpolates between exact asymptotic limits for large overpotentials, as well as for large or small reorganization energies, and exhibits less than 5% relative error for all reasonable parameter values.

TL;DR: In this article, a boron-doped diamond electrode was used as a perspective electrochemical sensor for the sensitive determination of amlodipine, calcium channel blocker drug of 1,4-dihydropyridine type.

TL;DR: In this paper, the simultaneous determination of two pesticides, namely isoproturon and carbendazim, by single drop analysis using a graphene-based electrochemical sensor with square wave stripping voltammetry was developed.

TL;DR: In this paper, density functional theory combined with a modified Poisson-Boltzmann theory (DFT-MPB) is applied to H, OH and O adsorbate formations on electrified Pt(111) and Pt(332) surfaces in an acid aqueous solution.

TL;DR: In this paper, a novel electrochemical sensor for the determination of nitrite was constructed based on the Ag-PAMAM nanocomposite, which exhibited excellent electrocatalytic performance for the oxidation of Nitrite.

TL;DR: In this article, the loading of CuO has been measured by using inductively coupled plasma mass spectroscopy (ICP-MS) and results reveal that the CuO nanoparticles with ∼5nm in diameter are anchored homogeneously on the nitrogen-doped reduced graphene oxide (N-RGO) nanosheets.

TL;DR: In this article, a square wave voltammetry method for the determination of hydroxychloroquine (HCQ) in pharmaceutical and synthetic urine samples with a cathodically pretreated (CPT) boron-doped diamond (BDD) electrode was successfully developed.

TL;DR: In this article, cathodes from electrode production rejects and from spent lithium-ion battery cells were removed from the current collector using a cutting mill, and the active material was dissolved in sulphuric acid and separated from the binder and the carbonaceous conductive additive.

TL;DR: In this article, a carbon paste electrode (CPE) was used as a fast and sensitive tool for the investigation of electrochemical oxidation of naproxen in biological pH, which was carried out by using cyclic voltammetry (CV), chronoamperometry, and SWV techniques.

TL;DR: In this paper, a modified gas diffusion electrode (MGDE), prepared with Printex 6L carbon black and 5.0% cobalt (II) phthalocyanine, has been used for the degradation of amaranth in aqueous medium.

TL;DR: In this paper, a chemically modified electrode for determination of dopamine (DA) in the presence of ascorbic acid (AA) and uric acid(UA) was proposed.

TL;DR: An electrochemical aptamer-based biosensing assay for MUC1 protein detection by using methylene blue (MB) as electrochemical indicator and modifying the electrode surface using a functionalized conductive polymer was developed as discussed by the authors.

TL;DR: A glassy carbon electrode (GCE) modified with multi-walled carbon nanotube (MWCNT)-CTAB-PDPA composite film was constructed and used to determine chloramphenicol (CAP) levels in biological samples.

TL;DR: In this article, a cyclic voltammetry method was proposed for the sensitive determination of methamphetamine in a linear concentration range from 0.07 to 80μM with a detection limit of 0.05μM (7.46μg L−1).

TL;DR: A carboxylated multi-wall carbon nanotubes (CMWNTs) layer-by-layer self-assembled film was prepared using ethylenediamine as an arm linker.

TL;DR: In this article, a new nanocomposite consisting of benzofuran derivative-functionalized multiwalled carbon nanotubes and ionic liquid (IL) for glassy carbon electrode modification was described.

TL;DR: In this paper, a theoretical method to extract heterogeneous rate constants for quasireversible and irreversible systems is proposed by the approximation of decoupling of the diffusion within the porous electrode and of bulk diffusion to the electrode surface.

TL;DR: In this article, a simple strategy is described for assembling graphite-based pencil leads doped with electrode modifiers suitable for drawing electrochemical devices on porous materials such as paper in a very reproducible and easy way.

TL;DR: In this article, the Ni(OH)2 deposits chargeable up to 1.84 ± 0.02 e− per Ni ion (462 −mA −h/g) over a potential range.

TL;DR: In this article, surface-enhanced infrared absorption spectroscopy (SEIRAS) was employed to study structure of water in a phospholipid bilayer deposited at a gold electrode surface.

TL;DR: In this article, a porous copper modified electrode was used in a flow electrochemical process to achieve a selective and quantitative transformation of concentrated nitrate into ammonium, which can be subsequently used either as a potential nitrogen source during microbial culture or simply as a fertilizer.

TL;DR: In this paper, 2.5 L of solutions of 2.4-dichlorophenoxyacetic acid (2,4-D) herbicide of pH 3.0 have been degraded by electrochemical oxidation (EO) and electro-Fenton (EF) using a recirculation flow plant equipped with a single Pt/air-diffusion or BDD/BDD cell containing electrodes of 20 cm2 area.