UV/H2O2
Removal of azithromycin from wastewater using advanced oxidation processes (UV/H2O2) and moving-bed biofilm reactor (MBBR) by the response surface methodology (RSM)
... process and MBBR could effectively remove azithromycin from aqueous solutions. In addition, the results of the acclimation period indicated that the acclimation period in the MBBR reactor was short, and the system was ...
11
Coupling adsorption by NiO nanopowder with UV/H2O2 process for Cr(VI) removal
... may be used to control the mobility of metal ions in the environment. NiO nanoparticles, due to their high surface area, low production cost, and natural porosity have a suitable adsorption capacity for the removal of ...
10
Performance and Energy Consumption Analysis of UV-H2O2 Photoreactors Using Computational Fluid Dynamics
... Bolton [4] presented a model which accounted for both reflection and refraction as the UV beam goes through the air/quartz/water interfaces. Liu et al. [5] investigated the performance of various radiation models ...
6
Neutral red removal Using different techniques: Direct photolysis, UV/H2O2, Fenton and Photo Fenton
... All experiments were carried out in a photochemical reaction instrument (Figure 2), which has 1000 mL beaker; and stirred by a magnetic stirrer. For the irradiation source, a plunging tube containing a low pressure ...
5
Comparative studies of degradation of dye intermediate (H acid) using TiO2/UV/H2O2 and Photo Fenton process
... Advanced oxidation processes (AOPs) are technologies based on the intermediary of hydroxyl and other radicals to oxidize recalcitrant, toxic and non-biodegradable compounds to various by- products and eventually to inert ...
14
Development and Evaluation of One-Dimensional Model for Annular UV-H2O2 Photoreactors
... of UV/AOPs ...for UV intensity and modified k − ε turbulence equations to model a heterogeneous, multi-phase photocatalytic reactor system for the photodegradation of ...of UV-H 2 O 2 AOP that was ...
5
H2O2-Sensitive Isoforms of Drosophila melanogaster TRPA1 Act in Bitter-Sensing Gustatory Neurons to Promote Avoidance of UV During Egg-Laying
... the UV site (Figure 2, A and ...of UV, despite their lack of visual input (Figure 2, B and ...of UV of these an- imals was evident even during periods when there were no egg-laying events (Figure 2, ...
11
Photocatalytic Degradation of Methylene Blue by Magnetite+H2O2+UV Process
... Advanced oxidation processes are promising technologies which aim at the decolorization and mineralization of a wide range of dyes and transform dyes into biodegradable or harmless products [3]. Photo-Fenton's oxidation ...
5
Visible light activated photocatalytic degradation of aniline using h2o2 sensitized bivo4
... degradation of aniline under visible light. 100 mg of the catalyst was dispersed in 100ml aniline aqueous solution (5 mg/L) and the suspension was magnetically stirred for half an hour in dark to ensure ...
6
Simple Approach to Fabricate a Highly Sensitive H2O2 Biosensor by One-Step of Graphene Oxide and Horseradish Peroxidase Co-immobilized Glassy Carbon Electrode
... spectrometer. UV-vis spectrophotometer (UV, Perkin Elmer, Lambda 900) was used to record the spectra of HRP, GO, and GO-HRP nanocomposites ranging from 300 to 600 ...
13
Increasing extracellular H2O2 produces a bi phasic response in intracellular H2O2, with peroxiredoxin hyperoxidation only triggered once the cellular H2O2 buffering capacity is overwhelmed
... Increasing extracellular H2O2 produces a bi phasic response in intracellular H2O2, with peroxiredoxin hyperoxidation only triggered once the cellular H2O2 buffering capacity is overwhelmed Free Radica[.] ...
16
Cytotoxic responses to 405 nm light exposure in mammalian and bacterial cells : involvement of reactive oxygen species
... Sodium pyruvate an intracellular H2O2 scavenger, dimethyl thiourea DMTU, an intracellular •OH scavenger and catalase detoxifies extracellular H2O2 were added to mammalian and bacterial ce[r] ...
9
AN INVESTIGATION OF THE ACTIVATION OF MULTI-COLOUR CHANGING PHOTOCHROMIC TEXTILES
... yapay UV ışıklar ve SMD UV LED'ler olmak üzere üç farklı aktivasyon yöntemi incelenmiş ve bu aktivasyon yöntemlerinin kontrol edilebilir çoklu renk değiştiren fotokromik etkilerin uyarılması için kullanım ...
14
Copper(II) Ion-Doped Polyimide Composite for Nonenzymatic Electrochemical Hydrogen Peroxide Sensing
... 3.4 Amperometric response characteristics of the Cu/PI-GCE to H2O2 The amperometric oxidation and reduction current curves obtained under the optimized conditions for a series of H2O2 so[r] ...
12
Original Article Protective effects of dimethylthiourea against hydrogen peroxide-induced oxidative stress in hepatic L02 cell
... In the current study, H2O2 was selected to establish oxidative injury model to investigate the potential effect of DMTU on oxidative stress induced by H2O2 in hepatic L02 cells and the p[r] ...
8
Treatment of the azo dye in the solution by fenton SBR process
... The UV-vis spectra of C.I. Acid Black 1 were recorded from 200 to 800nm using a UV/Vis spectrophotometer with a spectrometric quartz cell. The maximum absorbance wavelength of C.I. Acid Black 1 was found at ...
7
Degradation of 2 naphthalenesulfonic acid by Fenton oxidation
... The influence of reaction time, amounts of H2O2, ratio of H2O2/FeSO4, solution pH and concentration of Na2SO4 was investigated on degradation of 2-NSA by homogeneous Fenton oxidation.. W[r] ...
5
Simultaneous UV spectrophotometric method for the estimation of cefuroxime axetil and probenecid from solid dosage forms
... precise UV spectrophotometric method for simultaneous estimation of cefuroxime axetil and probenecid from combined solid dosage form has been ...the UV absorption of each ...
5
Original Article Hydrogen peroxide-induced apoptosis in human gingival fibroblasts
... In the present study, H2O2 treatment resulted in increased expression of Bax and decreased expression of Bcl-2 which played a role via mitochondrial pathways in H2O2-induced apoptosis in[r] ...
10
Viricidal effect of polymorphonuclear leukocytes on human immunodeficiency virus 1 Role of the myeloperoxidase system
... (MPO), H2O2, and chloride form an antimicrobial system in neutrophilic polymorphonuclear leukocytes (PMN) effective against a variety of ...unless H2O2 or glucose oxidase (which generates H2O2) was ...
5