phenol

Treating a synthetic wastewater containing phenol as the sole substrate at 26 degrees C, an upflow anaerobic sludge blanket reactor was able to remove over 98% of phenol up to 1,260 mg/l in wastewater with 12 h of hydraulic retention time,..

..prepared by coprecipitation method, and the activity and stability in the catalytic wet air oxidation (CWAO) of phenol are investigated in a batch reactor and packed-bed reactor...

..is separated from DNA after extraction with an acidic solution containing guanidinium thiocyanate, sodium acetate, phenol and chloroform, followed by centrifugation...

..of the promoterless genes aacC1 (conferring gentamycin resistance) and lacZ fused to the catabolic promoter of the phenol degradation genes was used to identify and analyse mutants of Pseudomonas putida with altered carbon catabolite ..

Renal injury caused by the injection of phenol in the lower pole of one kidney increases blood pressure (BP), norepinephrine secretion from the posterior hypothalamic nuclei (PH), and renal sympathetic nerve activity in the rat...

Comamonas testosteroni strain R5 expresses a higher level of phenol-oxygenating activity than any other bacterial strain so far characterized...

The aim of this work was to characterize the role of the potential of phenoxyl radical/phenol redox couple, E(7)(2), in the cytotoxicity of polyphenols...

We study the renaturation of complementary single-stranded DNAs in a water-phenol two-phase system, with or without shaking...

Microbial communities on aerial plant leaves may contribute to the degradation of organic air pollutants such as phenol. Epiphytic bacteria capable of phenol degradation were isolated from the leaves of green ash trees grown at a site ..

Comamonas testosteroni strain R5 is a phenol-degrading bacterium which expresses a phenol-oxygenating activity that is characterized by low Ks (the apparent half-saturation constant in Haldane's equation) and low K(SI) (the apparent ..

..of its catalytic stability and its effectiveness as a biocatalyst under various reaction conditions when using phenol as a model substrate...

..Measurements of catechol 1,2-dioxygenase activity showed that the expression of catA is induced by phenol but not by catechol or cis,cis-muconate...

..methods are proposed for the assay of oxcarbazepine (OXC) in bulk and dosage forms using Folin-Ciocalteu phenol reagent (FCP) and 3-methyl-2-benzothiazolinone hydrazine hydrochloride (MBTH) as reagents...

..In this study, we report the use of Trizol (a monophasic solution of phenol and guanidine isothiocyanate) for the extraction of proteins from dinoflagellate cells for 2-DE...

..benzoic acid, p-hydroxybenzoic acid, cinnamic acid, salicylic acid, phenylacetic acid, phenylpropionic acid, phenol, p-coumaric acid, ferulic acid and p-aminosalicylic acid), and it could be useful for the decontamination of ..

Intrarenal injection of phenol in rats causes a persistent elevation in blood pressure (BP) and in norepinephrine (NE) secretion from the posterior hypothalamus (PH), and downregulation of neuronal nitric oxide synthase (nNOS) and ..

..While halophilic degradation of phenol and other organics has been investigated, there exists a general absence of kinetic data in current literature to ..

Moderately halophilic bacteria utilizing phenol as the sole carbon source were isolated by selective enrichment from sea water. The isolate (Gram-negative motile rods) was identified as Deleya venusta...

..The potential of a cow dung microbial consortium has been assessed for bioremediation of phenol in a single-phase bioreactor and a two-phase partitioning bioreactor...

We have recently found that Pseudomonas putida deficient in ColRS two-component system is sensitive to phenol and displays a serious defect on solid glucose medium where subpopulation of bacteria lyses...

An Escherichia coli bioreporter harboring the phenol-inducible mphK promoter (P(mphK)) from Acinetobacter calcoaceticus PHEA-2 fused to a beta-galactosidase gene (lacZ) and the regulator gene (mopR) of A...

..compound biodegradation in saline and alkaline conditions, the effect of pH and salinity on the biodegradation of phenol as a model aromatic waste compound by the haloalkaliphilic bacterium Halomonas campisalis was examined...

We have examined the interaction of Citrobacter freundii tyrosine phenol-lyase with both L- and D-alanine...

..These findings contribute to a better understanding of termite digestion and gut physiology, and will assist future translational studies that examine the contributions of individual termite enzymes in lignocellulose digestion...

..19% among same genus similar sequences. At phenol concentration of 1000 mg/L, the optimum growth conditions for AKG1 were found to be 37 degrees C and pH 7...

In this study, we present the 3-month follow-up results of a retrospective analysis of obturator nerve (ON) phenol neurolysis performed between 2000 and 2007 in patients with adductor spasticity.

..The stereoselective introduction of a beta-hydroxynitrile functionality on one of the double bonds of the emerging dienone is achieved through an intramolecular nitrile oxide cycloaddition-fragmentation sequence...

..Therefore, we used the NHM5 strain of Nostoc punctiforme ATCC 29133 to compare and improve existing phenol based chemistry and procedures for RNA extraction.

Acinetobacter calcoaceticus PHEA-2 exhibited a delayed utilization of phenol in the presence of benzoate. Benzoate supplementation completely inhibited phenol degradation in a benzoate 1,2-dioxygenase knockout mutant...

A comprehensive model was developed to describe the kinetics of the laccase-catalyzed oxidation of phenol that incorporates enzyme kinetics, enzyme inactivation, variable reaction stoichiometry between substrate and oxygen, and oxygen ..

..tropicalis) grown on three different media with or without phenol were isolated and characterized for the content of cytochrome P450 (CYP) (EC 1.14.15.1)...

Transcription of the plasmid-borne phenol catabolic operon pheBA in Pseudomonas putida is activated by the LysR-family regulator CatR in the presence of the effector molecule cis,cis-muconate (CCM), which is an intermediate of the phenol ..

Quantitative proteomics was used to gain insights into the global adaptive response to phenol in the phenol-biodegrading strain Pseudomonas sp. M1 when an alternative carbon source (pyruvate or succinate) is present...

The phenol-degrading solvent-tolerant bacterium Pseudomonas putida P8 changed its cell shape when grown in the presence of aromatic compounds such as phenol and 4-chlorophenol...

We compared the sensitivity and specificity of the phenol ammonium sulfate (PhAS) sediment smear microscopy method for detection of acid-fast bacilli with those of direct smear microscopy, using culture results for Mycobacterium ..

..These results show that biogenic amines form prooxidant radicals, when metabolized by peroxidase, cooxidize cellular antioxidants (ascorbate, NADH, or cysteine)...

..Purification steps are critical in RNA amplification and labelling protocols, and there is a lack of sufficient data to validate and optimise the process...

The anaerobic metabolism of phenol in the beta-proteobacterium Thauera aromatica proceeds via para-carboxylation of phenol (biological Kolbe-Schmitt carboxylation)...

..of Ralstonia pickettii PKO1, and toluene ortho-monooxygenase (TOM) of Burkholderia cepacia G4 convert benzene to phenol, catechol, and 1,2,3-trihydroxybenzene by successive hydroxylations...

Chemical pollution such as chromium and phenol in the sea water has been increasing in recent years in China sea. At the same time, marine shellfish such as prawn and crab are sensitive to this pollution...

An isolated yeast strain was grown aerobically on phenol as a sole carbon source up to 24 mM; the rate of degradation of phenol at 30 degrees C was greater than other microorganisms at the comparable phenol concentrations...

..ability of Pseudomonas fluorescens and is necessary for the Tn4652 transposition-dependent accumulation of phenol-utilizing mutants in Pseudomonas putida. To determine the role of the ColRS system in P...

..To devise and evaluate a strategy for isolating members of the Streptomyces violaceusniger phenotypic cluster, which are known to be a promising source of bioactive metabolites...

..5-5.5% w v(-1)), phenol (liquid smoke) concentration (0-8 ppm), and pH (5.5-7.5) on Listeria monocytogenes ScottA growth...

PURPOSE: We compared the efficiency, side effects and effects on spermatogenesis of sclerotherapy with phenol and surgical treatment for hydrocele...

..PSA) were measured in sera of workers (n = 51), who were divided into 4 groups: group I, workers exposed to phenol; group II, workers exposed to formaldehyde; group III, workers exposed to urea; and group IV, workers exposed to ..

..catechol 1,2-dioxygenase (1,2-CTD) was produced from a Candida albicans TL3 that possesses high tolerance for phenol and strong phenol degrading activity...

..a first attempt from a perspective of Gaden's classification of fermentation and phase-plane to put forward phenol degradation using various augmented nutrient media for biostimulation...

..several unique P450 reactions have been reported, such as methylenedioxy bridge formation, intramolecular C-C phenol-coupling and intermolecular C-O phenol-coupling reactions...

Investigating minimally invasive methods for treatment of pilonidal disease, we reviewed the techniques and the results of phenol treatment of pilonidal disease in the medical literature.

..of the supplemented nutrients tested (except for gluconic acid) synergistically interact with chronic toxicity to phenol, especially at low doses...

Giant-cell tumour of bone (GCT) represents 5% of all primary bone tumours. The aim of this study was to compare the outcome of GCT treated with or without phenol.

b>Phenol injection, a less invasive method, has become more popular for the treatment of sinus pilonidalis. Recurrence rates after the use of phenol have been reported to be less than those after other surgical methods.

..The purpose of this study was to compare the safety and efficacy of two therapeutic options: percutaneous radiofrequency thermal lumbar sympathectomy and lumbar sympathetic neurolysis...

..Due to the combined use of phenol and cementation in most studies, the effect of phenol alone is described in this study.

A ten member microbial consortium (AS) consisting of eight phenol-degrading and two non-phenol-degrading strains of bacteria was developed and maintained in a fed-batch reactor by feeding 500 mg l(-1) phenol for four years at 28 +/- 3 ..

Levels of total phenol, catechins, and caffeine in teas commonly consumed in the United Kingdom have been determined using reversed phase high-performance liquid chromatography...

..faecalis and its previously described subspecies share the ability to aerobically degrade phenol. The degradation rates of phenol for strain J(T) and reference phenol degrading bacteria were determined by ..

Bacillus thermoglucosidasius A7 degraded phenol at 65 degrees C via the meta cleavage pathway. Five enzymes used in the metabolism of phenol were cloned from B. thermoglucosidasius A7 into pUC18...

The unknown genetic basis for improved phenol production by a recombinant Pseudomonas putida S12 derivative bearing the tpl (tyrosine-phenol lyase) gene was investigated via comparative transcriptomics, nucleotide sequence analysis, and ..

..The effect of phenol, p-cresol and indole (2, 20 and 100 microg/ml doses) on growth and survival of four strains of intestinal lactic ..

..Many phthalates and phenols are hormonally active and are suspected to alter the course of development...

The objective of this study is to remove the phenol from aqueous solution by using the neutralized red mud in batch adsorption technique...

2.5GHz of microwave irradiation can cause a considerable improvement of oxidative decomposition of aqueous phenol in a UV/H2O2 system...

Batch mode studies were conducted to study the removal of phenol, 2,4,6-Trichlorophenol (TCP) and Pentachlorophenol (PCP) from aqueous solution on coir pith carbon by adsorption process under varying experimental conditions such as ..

..carbons for the removal of water pollutants has been investigated by measuring their adsorption capacities for phenol, 2,4,5-trichlorophenol and Cr (VI) as representative of toxic contaminants found in industrial wastewaters...

The combination of ultrasound irradiation and catalytic wet peroxide oxidation was used as a means to degrade phenol. Direct and indirect irradiation were employed, while experiments in the absence of ultrasound were used as reference...

..made from olive cake and commercial activated carbons to remove aquatic pollutant such as heavy metal (HM), phenol (Ph), dodecylbenzenesulfonic acid-sodium salt detergent (DBSNa) and methylene blue dye (MB)...

..From the above mentioned compounds the biodegradation of ethylene glycol, phenol, o-cresol and p-cresol was examined. The direct biodegradation of the wastewater using P...

..Thereafter a modeling of the experimental results was done...

..with ceramic honeycomb supports (IAL-CHS) was applied for biodegradation of 2,4-dichlorophenol (2,4-DCP) and phenol. A strain of DCP-degrading bacteria isolated from activated sludge, Achromobacter sp...

..focuses on the interaction of the chemical element potassium with the catalyst MnO2-CeO2 in the wet degradation of phenol. The reaction has been carried out in an autoclave with a controlled system of agitation, pressure, temperature ..

..The existence of a critical pH value determining the catalysis of Fe (III) in acid conditions was observed in phenol and oxalic acid systems. The best efficiency of catalysis was obtained at a moderate concentration of the catalyst...

..All the tests were performed on a laboratory scale set-up. Important factors affecting catalyst activity and phenol removal efficiencies were studied, i.e...

The electrochemical oxidation of phenol in synthetic wastewater and paper mill wastewater catalyzed by metal ion supported on cation exchange resin in suspended bed electrolytic reactor with graphite electrode has been investigated...

..Naturally occurring concentrations of primary, secondary, and tertiary amines, amino acids, and phenol were added to surface water, and ozone decomposition as well as HO* generation were measured starting 350 ..

..Free-radical and Mn3+ was inferred to produce and participate in reaction at pH <4. The oxidizing products of phenol are p-benzoquinone and biphenol determined by GC-MS...

..Initially, the system was fed with phenol (500 mg/L) followed by adding 2,4-dichlorophenol (2,4-DCP)...

An algal-bacterial consortium was tested for the treatment from a coke factory. A Chlorella vulgaris strain and a phenol-degrading Alcaligenes sp...

..on the precipitation of polymeric products generated in the catalytically facilitated oxidative coupling of phenol were investigated systematically...

The adsorption of phenol onto chitin, a naturally occurring material was studied as a function of initial pH, temperature and initial phenol concentration. The highest phenol adsorption capacity was determined as 21...

..A first-order kinetics model was established to study the catalytic wet air oxidation of phenol at different temperature when these catalysts were used...

..supported on resin as an effective catalyst for oxidation was prepared and applied for the degradation of aqueous phenol. Phenol was selected as a model pollutant and the catalytic oxidation was carried out in a batch reactor using ..

The electrocatalytic degradation of low concentration of phenol (100 800mgL(-1)) as a model contaminant for wastewater treatment was studied on modified beta-PbO2 anode. Various affected factors such as current density (7...

By using a trickle bed reactor which was designed by the authors, the catalytic wet air oxidation reaction of phenol on CuO/gamma-Al2O3 catalyst was studied...

..The recovery and/or purification of liquid streams containing phenol and 4-nitrophenol by adsorptive parametric pumping was studied in this work...

Simultaneous nitrobenzene and phenol wet air oxidation was investigated in a stainless autoclave at temperature range of 180-220 degrees C and 1.0 MPa oxygen partial pressure...

..Moreover, some examples are shown with p-phenylenediamine and phenol as an example of toxic and inhibitor for nitrifying biomass.

The performance of a membrane bioreactor (MBR) with a tubular ceramic membrane for phenol removal was evaluated under varying hydraulic retention times (HRT) and a fixed sludge residence time (SRT) of 30 days...

The degradation of phenol by tyrosinase immobilized on chemically modified sodium aluminosilicate (NaA), calcium aluminosilicate (CaA), and silica gel was studied...

Catalytic wet oxidation of phenol was studied in a batch and a trickle bed reactor using 4.45% Pt/TiO2 catalyst in the temperature range 150-205 degrees C...

..behaviour of a synthetic boron-doped diamond thin film electrode (BDD) has been studied in acid media containing phenol using cyclic voltammetry and bulk electrolysis...

The present study is about the enhancement in ozone-mediated degradation and UV (254nm) photolysis of phenol in aqueous solutions by 300kHz acustic cavitation and the selection of operating parameters for optimum phenol removal efficiency...

..Some guidelines for the future work required to facilitate efficient large-scale operation have also been given...

Adsorption studies for phenol removal from aqueous solution on activated palm seed coat carbon (PSCC) were carried out under varying experimental conditions of contact time, phenol concentration, adsorbent dose and pH...

..Final concentrations in the effluent of 1.8 mg phenols/L, 5.4 mg SCN/L, 206 mg COD/L and 78 mg N-NH(4)(+)/L were obtained...

..Experimental results indicate that BTMA-bentonite displays a high affinity for phenol, possibly because phenol molecules interact favorably with the benzene ring in BTMA ion through increased pi-pi ..

..Processes (O3, O3/H2O2, UV, UV/O3, UV/H2O2, O3/UV/H2O2, Fe2+ /H2O2 and photocatalysis) for degradation of phenol in aqueous solution have been studied in earlier works...

b>Phenol is a carcinogen to humans and is a serious health concern, even at low concentrations. The efficient removal of phenol inside waste water is highly desirable...

..Some ab initio molecular orbital studies of reaction pathways in the metabolism of benzene and phenol will also be carried out...

..These enzymes include tryptophan indole-lyase, tyrosine phenol-lyase, tryptophan synthase, bacterial and human kynureninases, and aspartate beta-decarboxylase...

..John's Wort, both popular health supplements. Flavonoids share a common chemical structure consisting of two phenol rings linked through three carbons...

..John's Wort, both popular health supplements. Flavonoids share a common chemical structure consisting of two phenol rings linked through three carbons...

..proteins, and of complexes between them, from three bacterial systems, sMMO, toluene/o-xylene monooxygenase, and phenol hydroxylase, will be investigated by X-ray crystallography and NMR spectroscopy...

..proteins, and of complexes between them, from three bacterial systems, sMMO, toluene/o-xylene monooxygenase, and phenol hydroxylase, will be investigated by X-ray crystallography and NMR spectroscopy...

..proteins, and of complexes between them, from three bacterial systems, sMMO, toluene/o-xylene monooxygenase, and phenol hydroxylase,will be investigated by X-ray crystallography and NMR spectroscopy...

..Both rats and humans are known to have seven major sulfotransferases. Rats have four phenol-sulfotransferases and three hydroxysteroid sulfotransferases, whereas humans have six phenol sulfotransferases and ..

The activation of pro-phenol oxidase is an important physiological process involved in defense mechanisms in insects...

..to understand, at the molecular level, the mechanisms of three of these enzymes, tryptophan indole-lyase, tyrosine phenol-lyase, and kynureninase...

..in chemical or biochemical systems, (3) the design of new ligands for copper which possess a linked phenol-imidazole moiety, to elucidate how such a group may take part in O-O cleavage chemistry, i.e., HCO function...

..chemical or biochemical systems, (3) the design of new ligands for copper which possess a linked phenol-imidazole moiety, to elucidate how such a group may take part in O-O cleavage chemistry, i.e., HCO function...

..Aim 3. To determine the relative effects of PVL, -hemolysin (HLA), and -type phenol-soluble modulins (PSM-) on acute lung injury and necrotizing pneumonia in the rabbit model...

..of the diiron proteins methane monooxygenase, ribonucleotide reductase, delta9 desaturase, toluene monooxygenase, phenol hydroxylase and alkane hydroxylase will be continued with particular focus on characterizing the electronic ..

..For example, the proposed studies of oxidation of phenol-base compounds will probe how framework motions affect hydrogen transfers, an issue of much current debate ..

..For example, the proposed studies of oxidation of phenol-base compounds will probe how framework motions affect hydrogen transfers, an issue of much current debate ..

..For example, the proposed studies of oxidation of phenol-base compounds will probe how framework motions affect hydrogen transfers, an issue of much current debate ..

..For example, the proposed studies of oxidation of phenol-base compounds will probe how framework motions affect hydrogen transfers, an issue of much current debate ..

..potentials in vitro, in order to delineate which apoptotic pathway (intrinsic or extrinsic) is compromised in phenol exposed cells...

..The specific aims of the project are: 1. Identify and characterize serine proteases involved in activation of pro-phenol oxidase. Proteases linked to activation of pro-phenol oxidase will be purified and characterized...

Promotion of mouse lung tumors by the antioxidant butylated hydroxytolune (BHT; 2,6,-di-tert-butyl-4-methyl phenol) has become a powerful system for understanding how a non-carcinogen enhances tumor growth in a internal organ...

..the catalysis of a variety of important biological functions, including oxygen transport, methane hydroxylation, phenol oxidation, and hydrolysis of phosphate esters...

..probes to identify amino acid residues in both the substrate- binding site and PAPS binding site of human liver phenol- sulfating ST (P-PST-1), dehydroepiandrosterone ST (DHEA-ST), and estrogen ST (EST). 2...