Showing papers in "Journal of Electroanalytical Chemistry in 2015"

TL;DR: In this paper, the authors show that electrochemical oxidation can be used to treat effluents from different sources and also to disinfect different microbes present in wastewaters and drinking water.

TL;DR: In this article, hierarchical WO 3 -TiO 2 nanotubes (WTNs) composite structures were obtained by anodization of titanium in a single-step process using sodium tungstate as the tungsten source.

TL;DR: In this article, an anodizing of titanium foils in a single-step process using potassium ferricyanide as the iron source was shown to enhance the photo-catalytic water splitting performance of FeNTs.

TL;DR: In this article, interconnected and staggered nickel sulfide nanosheets grown on nickel foam have been successfully prepared by an ultrasound-assisted soaking method using nickel hydroxide nano-heets as precursor.

TL;DR: In this paper, the electrochemical behavior of four heavy metal ions (cadmium, lead, copper, and mercury) on the graphene/CeO2 hybrid nanocomposite modified glassy carbon electrode (GCE) was investigated in acetate buffer solution by differential pulse anodic stripping voltammetric (DPASV).

TL;DR: In this article, two Schiff bases, 5-bromo-2]-(E )-(pyridin-3-ylimino)methyl]phenol (HBSAP) and HBSAQ, have been synthesized and characterized by elemental analysis and spectroscopic techniques (UV-Vis, IR and NMR).

TL;DR: In this paper, the authors used a nickel electrode in sodium hydroxide solution under well-controlled experimental conditions that include the variation of solution temperature and scan rate, and demonstrated that the reaction proceeds even at −15°C.

TL;DR: In this paper, Boron-doped diamond (BDD) anodes have been used to remove some toxic pollutants from wastewater and could be used as a pretreatment in combination with some other purification technology.

TL;DR: In this article, a spinel-structured MnCo2O4 nanorods have been successfully synthesized via one-step hydrothermal method and the obtained material was subjected to structural and morphological studies using XRD and TEM.

TL;DR: In this article, a method for detection of hydrazine and nitrite by facile preparation of graphene-cobalt hexacyanoferrate nanocomposite through a two-step electrode surface functionalization is presented.

TL;DR: In this paper, a simple and reproducible electrochemical biosensor based on a gold electrode (GE) was developed to detect DNA, which showed excellent selectivity for discriminating complementary sequences from the noncomplementary sequence, so it can be used to detect breast cancer.

TL;DR: In this paper, successive impedance spectra of positive and negative electrodes were determined by using three-electrode cell and showed that the charge transfer resistance for the deintercalation is larger than that for the intercalation.

TL;DR: In this paper, Sulfur was mixed with the TiO2 nanofibers to form S-TiO2 composite by a melt diffusion process, which exhibited more excellent discharge capacity retention.

TL;DR: In this article, Nitrogen-doped carbon aerogels containing transition metals have been used as non-precious metal catalysts for oxygen reduction reaction (ORR) for alkaline membrane fuel cells.

TL;DR: In this paper, the authors present a review of the recent developments and present status of the theoretical models for the simulation of the performance of lithium ion batteries, and the influence of the most relevant parameters of the models, such as boundary conditions, geometry and material characteristics are discussed.

TL;DR: A sensitive electrochemical biosensor for the detection of carbaryl pesticide based on covalent immobilization of acetylcholinesterase (AChE) on the multiwall carbon nanotubes/graphene oxide nanoribbons (MWCNTs/GONRs) nanostructure exhibited superior performance for carbaryl detection including good reproducibility, acceptable stability, and wide linear range.

TL;DR: In this article, the electrochemical behavior of B450C mild steel was studied in saturated Ca(OH)2 solution by cyclic voltammetry, and the influence that time has on the passive film growth was then investigated by means of anodic polarization and electrochemical impedance spectroscopy.

TL;DR: In this article, polyaniline grafted reduced graphene oxide (RGO-g-PANI) composites were synthesized via a facile and efficient two-step method.

TL;DR: In this article, Ni and cobalt binary hydroxides with hydrotalcite-like structure were successfully synthesized by a one-step hydrothermal method without any surfactants.

TL;DR: In this paper, the experimental voltammograms were combined with digital simulations to determine key properties such as capacitance, electrode kinetics, average pore size and electrochemical surface area.

TL;DR: In this article, the removal of chemical oxygen demand (COD) and color of the sugar industry wastewater (SIWW) was investigated using electrochemical (EC) process iron as electrode material.

TL;DR: In this paper, the influence of nickel content on the physico-chemical properties and electrocatalytic performance of PbO 2 electrodes was investigated by SEM, EDX and XRD techniques.

TL;DR: In this paper, a label-free electrochemical immunosensor was developed for enzyme-free determination of biomarker tumor necrosis factor α antigen (TNF-α) based on entrapping of a TNFα-antibody onto nanocomposite containing fullerene-functionalized multiwalled carbon nanotubes and ionic liquid (C60-CNTs-IL).

TL;DR: In this article, an electrochemical sensor based on a carbon paste electrode modified with a combination of multi-walled carbon nanotubes functionalized with carboxyl groups (MWCNT-COOH), together with graphene oxide (GO), was developed for the sensitive and selective determination of tetracycline.

TL;DR: In this paper, a sensitive, selective and reproducible electrochemical method was developed for the electroanalysis of norepinephrine (NE) using poly(glutamic acid) modified carbon paste electrode.

TL;DR: In this paper, a facile hydrothermal route assisted by l -cysteine was used to synthesize molybdenum disulfide (MoS2) and carbon aerogel hybrid film.

TL;DR: In this article, a nanoplate-stacked structure was successfully synthesized via a facile surfactant-free hydrothermal method in order to synthesize magnetite (Fe 3 O 4 ).

TL;DR: In this paper, a ratiometric electrochemical sensor has been developed for highly sensitive and selective detection of bisphenol A. The assay strategy was based on the competitive host-guest interaction between poly- β -cyclodextrin/electromeduced graphene (P β -CD/EG) and Rhodamine B (RhB) probe or bisphensol A (BPA) target molecules.

TL;DR: In this paper, an enzyme-free voltammetric glucose sensor based on gold nanoparticles modified graphite/SrPdO3 electrode is presented, which showed prominent electrocatalytic activity toward the glucose oxidation in 0.1μmol l−1 NaOH.

TL;DR: In this paper, an alternative approach to obtain capacitance values (free from the assumptions and geometric formulations of a model) has been based on plots of − 1/(ωZ Im ) vs. Z re that acquire or approach a limiting total capacitance value C t at low or intermediate frequencies.