The kinetics of the oxidation of the azo dye C.I. Acid Red 27 (Amaranth) by sodium N-chloro-p-toluenesulfonamide (Chloramine-T, [CAT]) in HClO4 medium were studied spectrophotometrically at 293 K. The reaction rate shows first-order dependence on [CAT]0 and [dye]0 and an inverse-fractional order...
Alterations in the neuro-immune balance play a major role in the pathophysiology of chronic neuropathic pain. MicroRNAs (miRNA) can regulate both immune and neuronal processes and may function as master switches in chronic pain development and maintenance. We set out to analyze the role of miR-1...
Black liquor obtained from semichemical pulping of barley straw was depolymerized in a stirred autoclave reactor, at temperature in the range of 250–300 °C while varying the amount of catalyst (zeolite Y). Three fractions were obtained from the depolymerized liquor: a fraction directly extract...
We report the synthesis of nickel nanoparticles (NPs) by wet chemical route and its blend with emissive PDY-132(super yellow) matrix for application in Organic Light-Emitting Devices (OLEDs). Wet Chemical Synthesis allows the successful synthesis of CTAB (Cetyl Trimethyl Ammonium Bromide) capped...
Nav1.1 and Nav1.2 are the voltage-gated sodium channel alpha subunit1 and 2, encoded by the genes of SCN1A and SCN2A. Previous studies have shown that chronic cerebral hypoperfusion (CCH) could induce neuropathological and cognitive impairment and increased total Nav1.1 and Nav1.2protein levels,...
This study presents a new approach to enhance reactive dye uptake and functional finishing of wool yarns via simple grafting with synthesized chitosan-acrylamide (Ch-Ac) hybrid. To this, Ch-Ac was synthesized and characterized with fourier transform infrared spectroscopy (FTIR), scanning electro...
Nitrogen-doped titania semiconductor thin films, with photocatalytic properties and a high transmittance in the visible range, have been deposited by unbalanced reactive magnetron sputtering on glass substrates, using d.c. pulsed power supplies. In order to increase the photocatalytic efficiency...
To enhance dye fixation rate in pad-steam dyeing, a preliminary research was carried out to examine that the effect of the water content in water-ethanol mixed medium on reactive dyeing of cotton fabrics. The fabric temperature and dyeing properties as affected by the water content were investig...
The decolorization of an azo dye, C.I. Reactive Red 2 was investigated using TiO2 photocatalysis coupled with water jet cavitation. Experiments were performed in a 4.0 L solution under ultraviolet power of 9 W. The effects of TiO2 loading, initial dye concentration, solution pH, geometry of cavi...
Five novel reactive dyes by intramolecular color matching combination based on azo and anthraquinone multiple chromophores were designed and synthesized. They were obtained by using 1-amino-8-naphthol-3,6-disulfonicacid (H-acid) or 2-amino-5-naphthol-7-sulfonic Acid (J-acid) as the coupling comp...
This work deals with the studying the role of oxidizing agents through the comparative behavior of two anodic oxidation and electrocoagulation processes as a technological alternative for the decolorization of C.I Reactive Violet 2 dye. A typical mono azo dye is tested by using a new fixed bed b...
The combination of ultrasound and the advanced Fenton process (AFP, zero-valent iron and hydrogen peroxide) for the degradation of C.I. Acid Orange 7 was studied. The effect of hydrogen peroxide concentration, initial pH, ultrasonic power density, dissolved gas, and iron powder addition on the d...
The effect of electrolytes on the interaction between an anionic dye and a cationic surfactant was investigated spectrophotometrically in submicellar concentration range at certain temperature. The spectral change of the azo dye C.I. Reactive Orange 16 (RO16) exhibits a high sensitivity to the p...
The adsorption characteristics of C.I. Reactive Orange 16 (RO 16) from aqueous solution onto residual brewery yeast were investigated under various experimental conditions. At pH 3.0 and 308 K, the adsorption capacity of RO 16 onto residual brewery yeast was found to be 0.56 mol/kg. Experimental...
The electrochemical treatment of wastewaters from textile industry is a promising treatment technique for substances which are resistant to biodegradation. This paper presents the results of the electrochemical decolourisation and degradation of C.I. Reactive Orange 4 synthetic solutions (commer...
The decolorization and degradation of an organic dye, Reactive Orange 7 (RO7) in aqueous media by electrochemical oxidation process using Ti/Sb–SnO2 electrode as anode was modeled and optimized using response surface methodology (RSM) based on central composite design (CCD). The anode electrode...
The photodegradation of aqueous solutions of C.I. Reactive Orange 16 was investigated under UV irradiation. The degradation was studied by monitoring the change in absorption and relative intensity employing UV-spectroscopic and GC/MS analysis as functions of irradiation time. The rate of degrad...
Nanostructure Cu–Zn mixed-oxide (CZMO) have been prepared by an impregnation method using copper nitrate and zinc oxide tetrapod precursors. X-ray powder diffractometry (XRD) and field emission scanning electron microscopy (FESEM) were used to characterize the structural of CZMO. The XRD patter...
In this work, low cost coconut shell based activated carbon (CSAC) was produced from agricultural wastes for the kinetics, equilibrium and thermodynamics studies of Reactive Blue 19 (RB19) dye adsorption from aqueous solution. CSAC was characterized using the UV/visible spectrophotometer, Fourie...
One of the problems in reactive dye production is the soluble products which can pollute effluents, and which should not be discharged untreated into the open water. The production process of monochlorotriazine reactive dyes was studied using an anthraquinone reactive blue as a model. In order t...
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