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M R Bayati et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(39), 395005-395005 (2012-09-04)
We show that pure rutile TiO(2) can be photo-responsive even under low energy visible light after annealing in vacuum where we envisage that the point defects, i.e. oxygen vacancies and titanium interstitials, serve an important role. In this study, single
Z Y Bian et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(8), 1873-1879 (2013-04-13)
A Pd/C gas-diffusion cathode which generated H2O2 through a two-electron reduction process of fed oxygen molecule was used to degrade 4-chlorophenol in an undivided electrolysis device. The kinetics of 4-chlorophenol degradation has been investigated by the electrochemical oxidation processes. By
Mir Mahdi Abolghasemi et al.
Journal of separation science, 37(23), 3526-3532 (2014-09-13)
A fiber-coated polypyrrole-montmorillonite nanocomposite was prepared for solid-phase microextraction. The fiber coating can be prepared easily; it is mechanically stable and exhibits relatively high thermal stability. The prepared fiber was evaluated for the extraction of some phenolic compounds from aqueous
Marie Bank Nielsen et al.
Biodegradation, 24(1), 79-87 (2012-06-09)
A gram-positive bacterium Citricoccus nitrophenolicus (strain PNP1(T), DSM 23311(T), CCUG 59571(T)) isolated from a waste water treatment plant was capable of effectively degrading p-nitrophenol (pNP) as a source of carbon, nitrogen and energy for growth. Degradation of pNP required oxygen
Giorgio Ottaviani et al.
Journal of medicinal chemistry, 50(4), 742-748 (2007-02-16)
The development of in silico and in vitro tools to estimate or predict the passive human skin permeation and distribution of new chemical entities, useful in dermal drug delivery, in absorption studies of toxic compounds, and in the cosmetics industry
Qing Wen et al.
Journal of hazardous materials, 244-245, 743-749 (2012-11-28)
Bioelectrochemical systems (BESs), such as microbial fuel cells (MFCs) and microbial electrolysis cells (MECs), are generally regarded as a promising key technology to effectively treat wastewater and better exploit the renewable resource. This study explored the use of a BES
Praveena Juliya Dorathi et al.
Journal of environmental sciences (China), 24(4), 765-773 (2012-08-17)
Laboratory studies were conducted to find out the efficacy of uniquely prepared zero valent iron impregnated silica in transforming xenobiotic chlorophenols namely 4-chlorophenol, 2,4-dichlorophenol and 2,4,6-trichlorophenol. Continuous mode column experiments were performed to investigate the transformation of chlorophenols by varying
Agustina Manassero et al.
Environmental science and pollution research international, 22(2), 926-937 (2014-03-14)
A kinetic study of the photocatalytic degradation of the pharmaceutical clofibric acid is presented. Experiments were carried out under UV radiation employing titanium dioxide in water suspension. The main reaction intermediates were identified and quantified. Intrinsic expressions to represent the
Xing-long Jin et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(10), 2190-2194 (2013-05-17)
This study focused on the degradation and toxicity change of 4-chlorophenol (4-CP) in aqueous solution by contact glow discharge electrolysis (CGDE) with and without Fe(2+). It was found that the addition of Fe(2+) increased the degradation rate of 4-CP and
Bofan Yu et al.
Journal of chromatography. A, 1356, 221-229 (2014-07-07)
For the expanded application area, fast trace analysis of certain high boiling point (i.e., 150-250 °C) volatile organic compounds (HVOCs) in water, a large volume-direct aqueous injection-gas chromatography (LV-DAI-GC) method was optimized for the following parameters: packed sorbent for sample
Chen Fan et al.
Food chemistry, 174, 446-451 (2014-12-23)
In-situ ionic liquid-dispersive liquid-liquid microextraction (IL-DLLME) method was developed as a pretreatment method for the detection of six chlorophenols (CPs) in honey samples. The hydrophobic ionic liquid [C4MIM][NTf2], formed in-situ by the hydrophilic ionic liquid [C4MIM][BF4] and the ion exchange
Giulia Caron et al.
Journal of medicinal chemistry, 48(9), 3269-3279 (2005-04-29)
Growing interest in the use of both the logarithm of the partition coefficient of the neutral species in the alkane/water system (log P(N)(alk)) and the difference between log P(N)(oct) (the logarithm of the partition coefficient of the neutral species in
Fuyuan Xu et al.
Environmental science & technology, 46(8), 4576-4582 (2012-03-23)
A novel Ni-Fe bimetal with high dechlorination activity for 4-chlorophenol (4-CP) was prepared by ball milling (BM) in this study. Increasing Ni content and milling time greatly enhanced the dechlorination activity, which was mainly attributed to the homogeneous distribution of
Ik-Hwan Um et al.
The Journal of organic chemistry, 78(17), 8689-8695 (2013-08-07)
This paper comprises results of our investigation of the α-effect phenomenon for the reaction of O-p-nitrophenyl thionobenzoate (PNPTB) with butane-2,3-dione monoximate (Ox(-), α-nucleophile) and p-chlorophenoxide (p-ClPhO(-), normal-nucleophile) in DMSO-H2O mixtures of varying compositions at 15.0 °C, 25.0 °C, and 35.0
Lejin Xu et al.
Environmental science & technology, 46(18), 10145-10153 (2012-08-29)
Magnetic nanoscaled Fe(3)O(4)/CeO(2) composite was prepared by the impregnation method and characterized as a heterogeneous Fenton-like catalyst for 4-chlorophenol (4-CP) degradation. The catalytic activity was evaluated in view of the effects of various processes, pH value, catalyst addition, hydrogen peroxide
Yuzo Suzuki et al.
Environmental toxicology and chemistry, 31(5), 1072-1075 (2012-03-27)
The degradation of 2-chloro-4,5-O-(4'-methyl-7', 8'-diphenyl)ether (CMDPE), an analog of 2,7-dichlorodibenzo-p-dioxin (2,7-DCDD), mediated by Geobacillus sp. UZO 3 cell-free extract was monitored. Ethyl acetate extracts of a complete reaction mixture incubated at 65°C for 18 h were analyzed either by thin
Direct determination of chlorophenols in environmental water samples by hollow fiber supported ionic liquid membrane extraction coupled with high-performance liquid chromatography.
Peng JF, et al.
Journal of Chromatography A, 1139(2), 165-170 (2007)
Identification and quantification of volatile organic components in emissions of waste incineration plants.
Jay K and Stieglitz L
Chemosphere, 30(7), 1249-1260 (1995)
Yuri Park et al.
Journal of colloid and interface science, 406, 196-208 (2013-06-25)
Montmorillonite (MMT) was converted to organoclays by intercalation of cationic surfactants into its interlayer space. Two types of organoclays were prepared from different surfactants (DDTMA and DDDMA) at different surfactant loadings, and the structural changes in the clays investigated using
Cynthia D Selassie et al.
Journal of medicinal chemistry, 48(23), 7234-7242 (2005-11-11)
In this comprehensive study on the caspase-mediated apoptosis-inducing effect of 51 substituted phenols in a murine leukemia cell line (L1210), we determined the concentrations needed to induce caspase activity by 50% (I50) and utilized these data to develop the following
Cuicui Qiu et al.
Colloids and surfaces. B, Biointerfaces, 103, 129-135 (2012-12-04)
A facile electrodeposition method was used to fabricate nanostructured Au thin films. Construction of the amperometric biosensors for 4-chlorophenol (4-CP) is based on the immobilization of horseradish peroxidase (HRP) on the Au thin films via a simple method. The as-prepared
Determination of chlorophenols in soils using accelerated solvent extraction combined with solid-phase microextraction.
Wennrich L, et al.
Analytical Chemistry, 72(3), 546-551 (2000)
Ayyappan Ramakrishnan et al.
Chemical communications (Cambridge, England), 48(68), 8556-8558 (2012-07-21)
Benzene can be activated by visible light (λ > 455 nm) in the presence of TiO(2), which leads to formation of carbonaceous polymeric deposits on the titania surface. These photosynthesized surface-modified materials exhibit enhanced photoactivity in degradation of phenolic compounds
Alfonso Pérez-Garrido et al.
Bioorganic & medicinal chemistry, 17(2), 896-904 (2008-12-06)
This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoretical molecular descriptors, calculated solely from the molecular structure of the compounds under investigation
X Y Duan et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(11), 2468-2474 (2012-10-04)
The electrochemical oxidation of 4-chlorophenol (4-CP) in aqueous solution was studied by electrochemical oxidation using modified PbO(2) electrode as anode. The influence of several operating parameters, such as initial 4-CP concentration, applied current density, and supporting electrolyte (Na(2)SO(4)) concentration was
Sárka Paušová et al.
Environmental science and pollution research international, 19(9), 3709-3718 (2012-10-12)
Efficient immobilization of TiO(2) nanoparticles on the surface of Mg(2)Al-LDH nanosheets was performed by delamination/restacking process. EXPERIMENTAL PART: The structural and textural properties of as-prepared nanocomposite were deeply analyzed using different solid-state characterization techniques such as: X-ray powder diffraction, Fourier
Kais Elghniji et al.
Journal of environmental sciences (China), 24(3), 479-487 (2012-06-05)
A series of phosphorus-modified titanium dioxide samples with varying P/Ti atomic ratio were conveniently prepared via a conventional solgel route. The effects of phosphorus content and calcination temperature on the crystalline structure, grain growth, surface area, and the photocatalytic activity
N Clament Sagaya Selvam et al.
Journal of environmental sciences (China), 25(10), 2157-2167 (2014-02-06)
A novel self-assembled pure and Mg doped ZnO nano-particles (NPs) were successfully synthesized by a simple low temperature co-precipitation method. The prepared photocatalysts were characterized by X-ray diffraction, high resolution scanning electron microscopy, high resolution transmission electron microscopy, diffuse reflectance
Yungui Li et al.
Journal of environmental sciences (China), 24(4), 675-681 (2012-08-17)
To better understand the interaction mechanisms of plant surfaces with polar organic compounds, sorption of 4-chlorophenol, 2,4-dichlorophenol, and 2,4,6-trichlorophenol by fruit cuticles (i.e., tomato, apple, and pepper), and potato tuber periderm were investigated. The roles of cuticular components (waxes, cutin
Jun-Wei Lim et al.
Bioresource technology, 129, 485-494 (2012-12-26)
Moving bed sequencing batch reactors (MBSBRs) packed with 8% (v/v) of 8-, 27- and 64-mL polyurethane (PU) foam cubes, respectively, were investigated for simultaneous 4-chlorophenol (4-CP) and nitrogen removal at increasing 4-CP concentration. When the 4-CP concentration exceeded 300 mg
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