CN
Search Within
C22415
应用筛选条件
关键词:'C22415'
显示 1-30 共 40 条结果 关于 "C22415" 范围 论文
Kun Yang et al.
Environmental science & technology, 42(21), 7931-7936 (2008-11-27)
Aqueous adsorption of a series of phenols and anilines by a multiwalled carbon nanotube material (MWCNT15), which depends strongly on the solution pH and the number and types of solute groups, was investigated in this study. The pH-dependent adsorption coefficients
Roongnapa Tongarun et al.
Current microbiology, 56(2), 182-188 (2007-11-15)
Bioremediation treatments including natural attenuation (NA), biostimulation (BS), and bioaugmentation (BA) were performed and compared regarding the degradation of 4-chloroaniline (4CA) contaminating two types of agricultural soil collected from Nakornnayok (NN) and Chiangmai (CM) provinces, Thailand. Despite the different soil
Lanthanide (III)-catalyzed multi-component aza-Diels-Alder reaction of aliphatic N-arylaldimines with cyclopentadiene.
Powell DA and Batey RA.
Tetrahedron Letters, 44(41), 7569-7573 (2003)
Joanna Romanowska et al.
Journal of medicinal chemistry, 54(19), 6482-6491 (2011-08-13)
New synthetic protocol for the preparation of nucleoside 5'-(N-aryl)phosphoramidate monoesters 4 was developed. It consisted of a condensation of the corresponding nucleoside 5'-H-phosphonates with aromatic- or heteroaromatic amines promoted by diphenyl phosphorochloridate, followed by oxidation of the produced H-phosphonamidates with
Zhixin Zong et al.
Journal of pharmaceutical sciences, 101(7), 2417-2427 (2012-04-14)
The objectives of the studies presented herein were to determine the pH-dependent chlorhexidine (CHD) degradation scheme, to determine the rate laws, and to propose reasonable mechanisms for CHD hydrolysis in aqueous solutions. A series of degradation kinetic studies was conducted
Nathalie Dom et al.
Chemosphere, 81(2), 177-186 (2010-07-20)
Aquatic toxicity information is essential in environmental risk assessment to determine the potential hazards and risks of new and existing chemicals. Prediction and modelling techniques, such as quantitative structure activity relationships (QSAR) and species sensitivity distributions (SSDs), are applied to
Cheng Ding et al.
Bulletin of environmental contamination and toxicology, 86(4), 454-459 (2011-03-02)
A bacterium (strain ycsd02) was isolated from rhizosphere soil in phragmites wetland using the enrichment culture contaminated with p-Chloroaniline (p-CA). Morphology, physio-biochemical characteristics and phylogenetic analysis based on 16S rDNA sequence indicated that the shape of the single cell is
John E Thomas et al.
Journal of endodontics, 36(2), 315-317 (2010-02-02)
The purpose of this in vitro study was to determine whether para-chloroaniline (PCA) is formed through the reaction of mixing sodium hypochlorite (NaOCl) and chlorhexidine (CHX). Initially, commercially available samples of chlorhexidine acetate (CHXa) and PCA were analyzed with 1H
Sylwia Smuczyńska et al.
The Journal of chemical physics, 130(12), 124316-124316 (2009-04-02)
Negatively charged p-chloroaniline (PCA) was studied using ab initio coupled-cluster CCSD(T) method with the aug-cc-pVDZ+5s4p3d basis sets. It was found that the PCA forms a stable (although weakly bound) anionic state whose electron binding energy is 81 cm(-1). The analysis
Liang Zhu et al.
Bioresource technology, 107, 46-54 (2012-01-11)
Because of the important role of extracellular polymeric substances (EPS) in microbial aggregates, the relationship of the EPS and physico-chemical properties of aerobic granule was studied in two sequencing airlift bioreactors (SABR) using two kinds of substrates, acetate+glucose and 4-chloroaniline
Luiz Eduardo Barbin et al.
Journal of endodontics, 34(12), 1508-1514 (2008-11-26)
The aim of this study was to determine whether para-chloroaniline (PCA) and/or reactive oxygen species (ROS) are generated by chlorhexidine (CHX) alone or after CHX is mixed with calcium hydroxide at different time points. Mass spectrometry was performed to detect
S Torres-Cartas et al.
European journal of medicinal chemistry, 42(11-12), 1396-1402 (2007-05-08)
Mutagenicity is a toxicity endpoint associated with the chronic exposure to chemicals. Aromatic amines have considerable industrial and environmental importance due to their widespread use in industry and their mutagenic capacity. Biopartitioning micellar chromatography (BMC), a mode of micellar liquid
Highly efficient one-pot, three-component Mannich reaction catalysed by boric acid and glycerol in water with major `syn?diastereoselectivity
Mukhopadhyay C, et al.
Tetrahedron Letters, 50(29), 4246-4250 (2009)
Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and
Guanidinium nitrate: a novel reagent for aryl nitrations
Ramana MMV, et al.
Tetrahedron Letters, 45(47), 8681-8683 (2004)
A Subashini et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 82(1), 91-96 (2011-08-02)
The organic material 4-chloro-4'-chlorobenzylidene aniline (CCBA) was synthesized and confirmed by NMR and FTIR spectral analyses. CCBA crystal was grown from chloroform by slow evaporation at room temperature and the single crystal cell parameters were determined by single crystal X-ray
M Bader et al.
Toxicology letters, 231(3), 328-336 (2014-10-08)
Human biomonitoring (HBM) is frequently used for the analysis and assessment of exposure to chemicals under routine working conditions. In recent years, HBM has also been applied to monitor the exposure of the general population, and of emergency responders in
Anthony F Pizon et al.
Clinical toxicology (Philadelphia, Pa.), 47(2), 132-136 (2008-07-09)
p-Chloroaniline is more potent at producing methemoglobin than aniline in animal models. This case highlights the clinical presentation of an inhalation exposure to p-chloroaniline and associated laboratory analysis. An in-vitro study evaluating the metabolism of p-chloroaniline in human hepatocytes was
Factorial study to assess an ultrasonic methodology for the allylation of 4-chloroaniline
Nascimento LFS and Fernandes JPS
Green Processing and Synthesis, 6(2), 203-209 (2017)
Liang Zhu et al.
Bioresource technology, 167, 303-309 (2014-07-06)
The laboratory-scale upflow anaerobic sludge blanket (UASB) reactor equipped with a pair of bioelectrodes was established for the enhancement of p-chloronitrobenzene (p-ClNB) reductive transformation via the electrolysis. Results showed that a stable COD removal efficiency over 99% and high p-ClNB
Liang Zhu et al.
Applied microbiology and biotechnology, 79(5), 867-874 (2008-05-02)
The formation and characterization of the aerobic 4-chloroaniline-degrading granules in the three column-type sequencing batch reactors were investigated in this paper. The granular sludge was observed since 15 days after start-up in R2 and R3 which had the high ratio
Ning Qiu et al.
Environmental science and pollution research international, 27(18), 23206-23214 (2020-04-27)
Behavioral response of fish has been shown that was sensitive to chemicals in water. Herein, larval and adult rare minnows of Gobiocypris rarus were studied for their innate color preference and response to a concentration gradient of chemicals (cadmium ion
Ayman M Atta et al.
Molecules (Basel, Switzerland), 19(5), 6246-6262 (2014-05-21)
A facile method was developed to synthesize in high yield dispersed silver nanoparticles (AgNPs) with small particle sizes of less than 10 nm. Silver nitrate was reduced to silver nanoparticles by p-chloroaniline in the presence of polyoxyethylene maleate 4-nonyl-2-propylene-phenol (NMA)
D Mortenson et al.
International endodontic journal, 45(9), 878-882 (2012-04-11)
To determine if the formation of para-chloroaniline (PCA) can be avoided by using an alternative irrigant following sodium hypochlorite but before chlorhexidine. Fifty-five single-rooted teeth were decoronated, instrumented to size 40, .06 taper whilst being irrigated with 14% ethylene-diamine-tetra-acetic acid
Jeong-Wook Kwon et al.
Environmental toxicology and chemistry, 31(2), 262-269 (2011-11-23)
The leaching and transformation behaviors of triclosan (TCS) and triclocarban (TCC) in soil columns (20 cm high, 4 cm in diameter) packed with an agricultural soil (Roxana very fine sandy loam) with and without biosolids surface application were investigated. The
Lipeng Tang et al.
Chemosphere, 223, 204-210 (2019-02-20)
A new, environmental friendly, polysilicate ferric manganese (PSFM) coagulant, composed of Fe, Mn and Si, was designed and developed. As part of the process, the PSFM flocs were then deposited onto an ultrafiltration (UF) membrane to increase the removal of
Fabio Gosetti et al.
Environmental pollution (Barking, Essex : 1987), 158(2), 592-598 (2009-09-22)
This paper studies the degradation reactions that 4-chloroaniline can naturally undergo in waters for the action of sun light. 10.00 mg L(-1) 4-chloroaniline aqueous solution, without any addition of organic solvent, are undergone to photoirradiation under conditions that simulate sun
Masaaki Fujikawa et al.
Bioorganic & medicinal chemistry, 15(11), 3756-3767 (2007-04-10)
We previously reported a classical quantitative structure-activity relationship (QSAR) equation for permeability coefficients (P(app-pampa)) by parallel artificial membrane permeation assay (PAMPA) of structurally diverse compounds with simple physicochemical parameters, hydrophobicity at a particular pH (logP(oct) and |pK(a)-pH|), hydrogen-accepting ability (SA(HA))
Hyeon-Sik Kim et al.
Journal of endodontics, 38(1), 112-116 (2011-12-14)
Recent studies have reported the color change and formation of precipitates containing para-chloroaniline (PCA) after a reaction of sodium hypochlorite (NaOCl) and chlorhexidine (CHX). Alexidine (ALX), a biguanide disinfectant similar to CHX, has greater affinity for bacterial virulence factors than
Fernando Cárdenas-Lizana et al.
ChemSusChem, 1(3), 215-221 (2008-07-09)
The gas-phase continuous hydrogenation of p-chloronitrobenzene (p-CNB) over 1 mol% Au/TiO2 and Au/Al2O3 was compared for the first time. Both catalysts exhibit 100% selectivity in terms of -NO2 group reduction, resulting in the sole formation of p-chloroaniline (p-CAN). Au/TiO2 exhibited
1/2