The advanced oxidation process based on persulfate has a broad application prospect in the remediation of organic pollutants. As an effective, low-cost and environmentally friendly material, nano-zero-valent iron (nZVI) can effectively activate (nZVI/PS) to generate strongly oxidizing sulfate radical for removing pollutants environment. In this review, we first clarify activation pathway nZVI a...

Erythrosine B is widely used for dyeing in various applications, especially in the food industry, despite its already proved toxicity and carcinogenicity. Therefore, the purpose of this study is to evaluate the efficiency of the synthesis process of US/S2O8-2 in removing erythrosine B dye from aqueous solution. In this experimental study, the removal of erythros...

MATERIALS 5x TBE electrophoresis buffer Polyacrylamide gels are poured and run in 0.5x or 1x TBE at low voltage (1-8 V/cm) to prevent denaturation of small fragments of DNA by Joulic heating. Other electrophoresis buffers such as 1x TAE (please see Agarose Gel Electrophoresis) can be used, but they are not as good as TBE. The gel must be run more slowly in 1x TAE, which does not provide as much...

It has become the new focus in the field of water treatment to deal with the difficult degradable organic pollutants using the transition metal and the transition metal ion. This paper examined a new activator of Fe in persulfate (K2S2O8) activation based on strong oxidizer of sulfate radicals (SO·-) for catalytic oxidation of phenol. Discuss the reaction time, activator dosing amount, K2S2O8 d...

Cytochrome o can be chemically reduced by excess dithionite and oxidized by ferricyanide and ammonium persulfate. The latter reagent is colorless and allows spectral observations in the Soret region. The spectrum of the “oxygenated” form of the reduced cytochrome, which has absorption maxima at 576, 543, and 414 nm, is elicited in aerobic solution by enzymatic reduction with NADH, and when form...

Hairdressers are frequently exposed to bleaching powder containing persulfates, a group of compounds that may induce hypersensitivity in the airways. The mechanism causing this reaction is not clear. The aim of this study was to identify changes in the nasal lavage fluid proteome after challenge with potassium persulfate in hairdressers with bleaching powder-associated rhinitis. Furthermore, we...

Dicarboxylic acid ligands (malonate, succinate, and butylmalonate) stabilize 2 nm diameter IrO2 particles synthesized by hydrolysis of aqueous IrCl(6)2- solutions. Analogous monodentate (acetate) and tridentate (citrate) carboxylate ligands, as well as phosphonate and diphosphonate ligands, are less effective as stabilizers and lead to different degrees of nanoparticle aggregation, as evidenced...

This study focuses on development, characterization and validation of an artificial neural network (ANN) model for prediction of advanced oxidation of organics in water matrix. The different ANNs, based on multilayer perceptron (MLP) and radial basis function (RBF) methodologies, have been applied for modeling of the behavior of complex system; zero-valent iron activated persulfate oxidation (F...