P-Nitrophenol (PNP)
SPECTROPHOTOMETRIC AND THERMAL STUDIES OF CHARGE TRANSFER COMPLEX OF 1,10- PHENANTHROLINE AS AN ELECTRON DONOR WITH -ACCEPTOR p-NITROPHENOL
... In continuation of our studies on charge-transfer interaction [12-14], the present chapter is concerned with the study of the behaviour of 1,10-phenanthroline (Phen) which is hygroscopic and acts as a donor towards ...
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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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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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Synthesis of Chitosan-Functionalized Fibrous Membrane for Immobilization of Horseradish Peroxidase: Interfacial Property and Application for Catalytic Oxidation of P-Nitrophenol
... A hydrophilic fibrous membrane consisting of a network of a non-crystalline hydrophobic polymer and an in situ crosslinked hydrophilic chitosan polymer is studied. This chitosan-functionalized membrane can be employed as ...
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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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Effect of water miscible organic solvents on p-nitrophenol hydroxylase (CYP2E1) activity in rat liver microsomes
... Overall, the effect of organic solvents on CYP450 activity probably represents a combined effect on the phospholipid bilayer housing the CYP450 system, the binding of substrate with the active site of enzyme and enzyme ...
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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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Semiconducting behavior and antibacterial activity of some resins derived from p Nitrophenol, Resorcinol and Formaldehyde
... ratio of p-nitrophenol with respect to resorcinol is increased the conductivity decreases. This may be attributed to electron withdrawing nature of nitro group. This is in good agreement with the most ...
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Structural and Antibacterial study of Resin II Derived from p Nitrophenol, Resorcinol and Formaldehyde
... A mixture of p-nitrophenol (0.2M), resorcinol (0.1M) 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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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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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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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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A Microcosm Study on P-Nitrophenol Biodegradation in Soil Slurry by Alcaligenes faecalis: Plackett-Burman Design
... Figure 4 illustrates the effect of the five important factors on PNP removal. Positive effects are observed for temperature, inoculum size and yeast extract concentration. However in cases of inoculum size and yeast ...
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Spatial and temporal variability in the potential of river water biofilms to degrade p nitrophenol
... metacommunity into core and satellite taxa revealed that the P. syringae could be either a satellite or core member of the community across sampling times, but this had no impact on PNP degradation. Quantitative ...
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The Modification Mechanism of Lanthanum Doping in Ti/Sb- SnO2 Electrode and its Electrocatalytic Behavior of Degradation of p-nitrophenol
... performance of electrode which prepared at head treatment temperature 500℃ and mole ratio Sn: Sb: La=100:10:2 in the coating was superior for the treatment of p-NP wastewater. The doped La may extrude into the ...
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STUDIES ON BIODEGRADATION OF NITROPHENOL ISOMERS BY MIXED BACTERIAL CULTURES
... bacterial system isolated from a contaminated soil sample was employed during the present study on individual and simultaneous degradation of mononitrophenol isomers - o-Nitrophenol(ONP), m- ...
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Fatty acids from the cyanobacterium Microcystis aeruginosa with potent inhibitory effects on fish gill Na+/K+ ATPase activity
... of p-nitrophenol (pNP) produced by gill basolateral plasma membranes after incubation with methanol extracts from either Microcystis aeruginosa PCC 7820 (A,B) or CYA 43 (C,D) at two concentrations of ...
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