The SOS/umu genotoxicity assay evaluates the primary DNA damage caused by chemicals from the β-galactosidase activity of S. typhimurium. One of the weaknesses of the common umu test system based on spectrophotometric detection is that it is unable to measure samples containing a high concentration of colored dissolved organic matters, sediment, and suspended solids. However, umu tests with elec...

The detection of tramadol using a screen printed electrode modified with La3+/ZnO nano-flowers and multi-walled carbon nanotubes (La3+/ZnO NFs-MWCNTs/SPE) is reported in this work. In order to examine electrochemical oxidation, the was implemented utilization differential pulse voltammetry, chronoamperometry cyclic voltammetry as diagnostic techniques. proposed displays favorable electrocatalyt...

In this study, agricultural waste was utilized as new bio-inhibitors to prevent scale formation in hard waters. Aqueous extracts of strawberry and tomato leaves were for reducing the deposits formed on metallic surfaces by Bounouara ground water, which supplies Constantine city Algeria. Anti-scaling properties evaluated chronoamperometry impedancemetry techniques. The effect temperature concent...

In this paper, an extensive characterisation of a range carbon blacks (CB) with similar surface area but different chemistry is carried out by flow calorimetry, Raman spectroscopy, dynamic water vapour sorption, instrumental gas analysis, nitrogen adsorption/desorption and high potential chronoamperometry. Using these materials as supports, Pt/CB electrocatalysts are prepared microwave-assisted...

Ni-doped Co3O4 catalysts with various Ni concentrations (0.01, and 0.015 M) were synthesized using a simple, cost-effective hydrothermal route. The samples are denoted as Co3O4-1 Co3O4-2. Structural morphological properties of as-prepared characterized by XRD, FTIR, XPS, SEM, HR-TEM techniques. electrochemical characteristics for the urea oxidation (UOR) on catalyst examined cyclic voltammetry ...

This study investigated the oxidation of ascorbic acid (Vitamin C) using a platinum nanoparticle electrode coated with an iodine monolayer, called a modified electrode. The electrode were grown using the cyclic voltammetry technique and the electrochemical measurements were taken using the cyclic voltammetry and chronoamperometric technique. In the case of platinum nanoparticle electrode modifi...

in the present work, the modified nickel electrode was electrochemically fabricated and tested for the electro-oxidation of paracetamol in alkaline media. the methods of cyclic voltammetry (cv), chronoamperometry (ca), and impedance spectroscopy (eis) were used to determine kinetic parameters such as transfer coefficient (α), the catalytic reaction rate constants (k), and the diffusion coeffici...

The pathology between chronic stress, deregulation of serotonergic (5-HT) and noradrenergic (NE) neurotransmission and the onset of psychiatric disorders is poorly understood. Using in vivo chronoamperometry our previous findings showed 5-HT clearance is dramatically slower in chronically stressed wild-type mice, and that this reduction in clearance does not result from the loss of serotonin tr...

The sensitivity and limits of detection (LOD) chemiresistive gas sensors can often be improved by increasing the surface area sensing material that interacts with analyte. This process is referred to as nanostructuring. Nanostructured polypyrrole (PPy) for ammonia were created aid a nanosphere template. Polystyrene nanospheres are deposited form template between interdigitated electrodes, chron...

The detection of Rhamnolipid virulence factor produced by Pseudomonas aeruginosa involved in nosocomial infections is reported using the redox liposome single impact electrochemistry. Redox liposomes based on 1,2-dimyristoyl-sn-glycero-3-phosphocholine as a pure phospholipid and potassium ferrocyanide an encapsulated content are designed for interaction target toxin with lipid membrane sensing ...