p-nitrophenol
STUDY OF ELECTRICAL CONDUCTIVITY OF COPOLYMER RESINS BASED ON P-NITROPHENOL
... of p-nitrophenol, 4,4’- oxydianiline and formaldehyde in presence of 2 M HCl as a catalyst with different molar proportions of reacting ...of p-NP-4,4’-ODA-F copolymer resins was measured over a wide ...
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Semiconducting behavior and antibacterial activity of some resins derived from p Nitrophenol, Resorcinol and Formaldehyde
... A mixture of p-nitrophenol (0.1M), resorcinol (0.2M) and formaldehyde (0.4M) was refluxed in presence of 1M HCl (150ml) in oil bath at 120-125 0 C for six hours with intermittent shaking. The resinous ...
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Synthesis of Chitosan-Functionalized Fibrous Membrane for Immobilization of Horseradish Peroxidase: Interfacial Property and Application for Catalytic Oxidation of P-Nitrophenol
... groups on the CTS subsequently reacted with glutaraldehyde (GA), thus generating the -CHO groups. The HRP can be anchored onto the membrane by forming covalent bond between the CTS and HRP, and the final membrane is ...
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Structural and Antibacterial study of Resin II Derived from p Nitrophenol, Resorcinol and Formaldehyde
... The resin(abbreviated as PNPRF-II) was derived from acid catalyzed polycondensation of p-nitrophenol (0.2M), resorcinol (0.1M) and formaldehyde (0.4M) using 1M HCl at 120-125 0 C. The tentative structure of ...
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Electroanalytical Investigation of p-nitrophenol with Dual Electroactive Groups on a Reduced Graphene Oxide Modified Glassy Carbon Electrode
... of p- nitrophenol (PNP) based on different current response signals offered by the reduction and oxidation process associated with nitro group and phenol group on PNP molecule was successfully ...
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SPECTROPHOTOMETRIC AND THERMAL STUDIES OF CHARGE TRANSFER COMPLEX OF 1,10- PHENANTHROLINE AS AN ELECTRON DONOR WITH -ACCEPTOR p-NITROPHENOL
... The electron donor 1,10-phenanthroline reacts with the -acceptor p-Nitrophenol in methanol at room temperature to form the charge transfer complex. The forgoing discussion has shown that ...
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Effect of water miscible organic solvents on p-nitrophenol hydroxylase (CYP2E1) activity in rat liver microsomes
... the p-nitrophenol hydroxylase activity in presence of these solvents may additionally be due to competition of solvents with p-nitrophenol and the effects of the metabolite of the solvent ...
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Simultaneous Determination of m-Trihydroxybenzene and p- Nitrophenol at Glassy Carbon Electrode Modified with Graphene Oxide
... of p-NP is very importance for the environmental ...of p-NP, such as molecularly imprinted,[6] liquid chromatography,[7, 8] UV–vis spectrophotometry,[9] chemiluminescence,[10] and so ...substance, ...
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Preparation of Modified Zeolites by β cyclodextrin and Its Sorption Performance of p nitrophenol
... Abstract. The surface of zeolite was modified by β-cyclodextrin (β-CD) using epichlorohydrin (EPI) as linker to prepare a novel and effective sorbent for removal of p-nitrophenol (p-NP) from aqueous ...
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ADSORPTION OF p-NITROPHENOL IN THREE DIFFERENT ACTIVATED CARBONS AT DIFFERENT pH
... The granular activated carbons (GAC) used in this work are S.E.I. and F100 from Calgon and B.D.H. Prior to the experiments, the samples were ground and sieved. The fraction between 400-800 µm, of each sample was used. ...
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Branching of the p-nitrophenol (PNP) degradation pathway in burkholderia sp. Strain SJ98: Evidences from genetic characterization of PNP gene cluster
... of p-nitrophenol (PNP) has been classically shown to proceed via ‘ Hydroquinone (HQ) pathway ’ in Gram-negative bacteria, whereas in Gram-positive PNP degraders it proceed via ‘ Benzenetriol (BT) pathway ’ ...
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OPTIMIZATION OF PROCESS PARAMETERS FOR SORPTION OF P-NITROPHENOL FROM AQUEOUS SOLUTION BY HEXADECYLTRIMETHYLAMMONIUM CHLORIDE-TREATED BENTONITE (HDTMA-BENTONITE)
... of p-nitrophenol was analyzed by centrifuging the reaction mixture at 2,500 rpm, (Labomed, USA) and then measuring the absorbance of the supernatant at the wavelength that corresponds to the maximum ...the ...
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Green synthesis of gold nanoparticles using aspartame and their catalytic activity for p nitrophenol reduction
... Herein, a facile approach to rapidly synthesize Au nanoparticles by employing aspartame (APM), a com- mercially available dipeptide derivative, was developed. Significantly, APM, which is considered to be a biologic- ...
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Electrochemical Detection of 4-p-nitrophenol Based on TiO2NPs / RGO / AuNPs Composite Modified Glassy Carbon Electrode
... to detect trace amounts of 4-p-nitrophenol (4-NP). The surface morphology of the composites was characterized by field-emission scanning electron microscopy (FE-SEM). The electrochemical characteristics of ...
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Fabrication of a Novel Nickel-Curcumin/Graphene Oxide Nanocomposites for Superior Electrocatalytic Activity toward the Detection of Toxic p-nitrophenol
... the p- Nitrophenol is more harmful compound [13], that be able to be confirm in agricultural excess and wasterwater, this is due to environmentally degradation of methyl parathion as well as ...
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The Modification Mechanism of Lanthanum Doping in Ti/Sb- SnO2 Electrode and its Electrocatalytic Behavior of Degradation of p-nitrophenol
... the p-NP solution pH decreased the hydroxyl radical ...that p-NP degradation rate decreased again under strong acidic conditions (pH = ...form p-NP and residues. p-NP can not be dissociated at ...
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Spatial and temporal variability in the potential of river water biofilms to degrade p nitrophenol
... those from November 2011, in which no degradation of PNP was detected. P. syringae was previously reported by (Kowalczyk et al. 2015) as a PNP degrader. Sequencing of both 16S rRNA genes and pnpA genes indicated ...
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A Microcosm Study on P-Nitrophenol Biodegradation in Soil Slurry by Alcaligenes faecalis: Plackett-Burman Design
... The twelve experiments based on the Plackett-Burman method as well as the four experiments at the center points (overall 16 runs) and the corresponding PNP removals as the objective function are given in Table 2. All ...
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Preparation and Enhanced Catalytic Hydrogenation Activity of Sb/Palygorskite (PAL) Nanoparticles
... Finally, Sb/PAL composites with highly dispersed Sb nanoparticles were fabricated via the solvothermal process. Furthermore, those dissociative SbO + ions were reduced, forming some aggregated Sb particles among the ...
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STUDIES ON BIODEGRADATION OF NITROPHENOL ISOMERS BY MIXED BACTERIAL CULTURES
... herbicide nitrophenols (Kearney and Kaufman, 1975,). Nitroaromatic compounds are detected as contaminants in river water (Golab etal.,1979) and in large amounts in industrial waste waters (Hallas and Alexander, 1983). ...
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