MilliporeSigma
Search Within
Applied Filters:
Keyword:'07-5640'
Showing 1-30 of 36 results for "

07-5640

" within Papers
Yinghong Yang et al.
Bioorganic & medicinal chemistry letters, 22(2), 954-957 (2011-12-27)
A series of compounds with a diphenyl ether nucleus were synthesized by incorporating various amines into the diphenyl ether scaffold with an amide bond. Their antitubercular activities were evaluated against Mycobacterium tuberculosis H(37)Rv by a microdilution method, with MIC values
Bruno F B Silva et al.
Langmuir : the ACS journal of surfaces and colloids, 31(14), 4361-4371 (2014-11-15)
In this work we investigate the interplay between flow and boundary condition effects on the orientation field of a thermotropic nematic liquid crystal under flow and confinement in a microfluidic device. Two types of experiments were performed using synchrotron small-angle
Ariana Beste et al.
The Journal of organic chemistry, 74(7), 2837-2841 (2009-03-06)
Lignin is an abundant natural resource that is a potential source of valuable chemicals. Improved understanding of the pyrolysis of lignin occurs through the study of model compounds for which phenethyl phenyl ether (PhCH(2)CH(2)OPh, PPE) is the simplest example representing
Alessandra Luchini et al.
Physical chemistry chemical physics : PCCP, 17(8), 6087-6097 (2015-02-04)
Nanotechnology for biomedicine has recently attracted increasing interest from the scientific community. In particular, among the different nanodevices suitable for this application, multifunctionalizable hybrid nanoparticles are one of the most investigated research topics. Here we present a detailed physico-chemical characterization
Kostantinos Benekos et al.
Journal of biotechnology, 150(1), 195-201 (2010-07-20)
Plant glutathione transferases (GSTs) superfamily consists of multifunctional enzymes and forms a major part of the plants herbicide detoxification enzyme network. The tau class GST isoenzyme GmGSTU4 from soybean, exhibits catalytic activity towards the diphenyl ether herbicide fluorodifen and is
Denys Meshcheryakov et al.
Organic & biomolecular chemistry, 7(21), 4386-4390 (2009-10-16)
Two cyclic oligoureas with 64- and 80-membered rings in which two sets of three or four rigid xanthene (X) units are connected via flexible diphenyl ether (D) units were synthesized by a stepwise fragment condensation. The compounds were characterized by
Ge-Fei Hao et al.
Journal of computer-aided molecular design, 25(3), 213-222 (2011-01-25)
Protoporphyrinogen oxidase (PPO, EC 1.3.3.4), which has been identified as a significant target for a great family of herbicides with diverse chemical structures, is the last common enzyme responsible for the seventh step in the biosynthetic pathway to heme and
Fan Liu et al.
Magnetic resonance in chemistry : MRC, 47(5), 453-455 (2009-02-04)
Two new natural products, tenelate A (1) and B (2), together with the known compound, tenellic acid C (3), were isolated from the mangrove endophytic fungus Talaromyces sp. (SBE-14), from the South China Sea. Their structures were elucidated by spectroscopic
Tony Ly et al.
Analytical chemistry, 80(13), 5059-5064 (2008-05-24)
Selective noncovalent adduct protein probing (SNAPP) mass spectrometry was recently developed to study solution-phase conformations of proteins by exploiting the specific affinity between 18-crown-6 ether (18C6) and lysine side chains. To obtain more detailed information about protein tertiary structure, a
Boqu Yu et al.
Journal of chromatography. A, 1419, 19-25 (2015-10-12)
Hydroxylated polybrominated diphenyl ethers (OH-PBDEs), acting as emerging endocrine disruptors, have aroused more and more concern recently. Produced from natural source or metabolism of PBDEs, OH-PBDEs are more toxic than their parent compounds. However, few analytical methods are available for
Suvarna G Kini et al.
European journal of medicinal chemistry, 44(2), 492-500 (2008-06-10)
The re-emergence of tuberculosis (TB) as a global health problem over the past few decades, accompanied by the rise of drug-resistant strains of Mycobacterium tuberculosis, emphasizes the need for discovery of new therapeutic drugs against this disease. The emerging serious
Robert C Hale et al.
Environment international, 29(6), 771-779 (2003-07-10)
North America consumes over half of the world's production of polybrominated diphenyl ether (PBDE) flame retardants. About 98% of global demand for the Penta-BDE mixture, the constituents of which are the most bioaccumulative and environmentally widespread, resides here. However, research
Wataru Watanabe et al.
Journal of medical virology, 82(6), 1075-1082 (2010-04-27)
Perinatal exposure to a representative flame retardant, decabrominated diphenyl ether (DBDE), was shown previously to increase viral titers in the lungs of respiratory syncytial virus (RSV)-infected offspring on day 5 post-infection, resulting in exacerbation of pneumonia. In this study, the
Takayuki Yonezawa et al.
Bioorganic & medicinal chemistry letters, 21(11), 3248-3251 (2011-05-10)
Osteogenic activity of six diarylheptanoids, acerogenin A (1), (R)-acerogenin B (2), aceroside I (3), aceroside B(1) (4), aceroside III (5) and (-)-centrolobol (6) and two phenolic compounds; (+)-rhododendrol (7) and (+)-cathechin (8), isolated from the stem bark of Acer nikoense
Ayman M Saleh et al.
Molecules (Basel, Switzerland), 19(9), 13076-13092 (2014-08-27)
A selected set of substituted pyridone-annelated isoindigos 3a-f has been synthesized via interaction of 5- and 6-substituted oxindoles 2a-f with 6-ethyl-1,2,9-trioxopyrrolo[3,2-f]quinoline-8-carboxylic acid (1) in acetic acid at reflux. Among these isoindigos, the 5'-chloro and 5'-bromo derivatives 3b and 3d show
Alexey G Sergeev et al.
Science (New York, N.Y.), 332(6028), 439-443 (2011-04-23)
Selective hydrogenolysis of the aromatic carbon-oxygen (C-O) bonds in aryl ethers is an unsolved synthetic problem important for the generation of fuels and chemical feedstocks from biomass and for the liquefaction of coal. Currently, the hydrogenolysis of aromatic C-O bonds
Julie B Herbstman et al.
Environmental health perspectives, 115(12), 1794-1800 (2007-12-19)
Recent studies have reported blood levels of polybrominated diphenyl ethers (PBDEs) in the U.S. population. Information about neonatal levels and about the relationship to polychlorinated biphenyls (PCBs) exposures is limited. The objective was to characterize levels and determinants of fetal
Paul R Loconto et al.
Journal of chromatographic science, 46(1), 53-60 (2008-01-26)
Polybrominated diphenyl ethers (PBDEs) are isolated and recovered with acceptable percent recoveries from human serum via liquid-liquid extraction and column chromatographic cleanup and fractionation with quantitation using capillary gas chromatography-mass spectrometry with electron capture negative ion and selected ion monitoring.
Bradley Duncan et al.
Small (Weinheim an der Bergstrasse, Germany), 11(11), 1302-1309 (2014-11-11)
An effective method for the generation of hybrid organic-inorganic nanocomposite microparticles featuring controlled size and high structural stability is presented. In this process, an oil-in-water Pickering emulsion is formed using hydrophilic amine-functionalized silica nanoparticles. Covalent modification using a hydrophobic maleic
Claudia Moeckel et al.
Environmental science & technology, 42(9), 3219-3225 (2008-06-05)
Short-term variability of concentrations of polybrominated diphenyl ethers (PBDEs) and chlordanes in air at a semirural site in England over a 5 day period is reported. Four-hour air samples were collected during a period dominated by a high pressure system
Oriol Penon et al.
Journal of colloid and interface science, 462, 154-165 (2015-10-12)
The preparation of novel porphyrin derivatives and their immobilization onto iron oxide nanoparticles to build up suitable nanotools for potential use in photodynamic therapy (PDT) has been explored. To achieve this purpose, a zinc porphyrin derivative, ZnPR-COOH, has been synthesized
Xingyu Wang et al.
ChemSusChem, 5(8), 1455-1466 (2012-05-03)
The conversion of lignin, the most recalcitrant of the biopolymers, is necessary for a carbon-efficient utilization of lignocellulosic materials. In this context, hydrogenolysis of lignin is a process receiving increasing attention. In this report, the solvent effects on the hydrogenolysis
Albert Serrà et al.
ACS nano, 8(5), 4630-4639 (2014-05-03)
Electrodeposition from microemulsions using ionic liquids is revealed as a green method for synthesizing magnetic alloyed nanoparticles, avoiding the use of aggressive reducing agents. Microemulsions containing droplets of aqueous solution (electrolytic solution containing Pt(IV) and Co(II) ions) in an ionic
Si Luo et al.
Journal of hazardous materials, 192(3), 1795-1803 (2011-08-03)
The effectiveness of a two-stage reduction/subsequent oxidation (T-SRO) treatment of BDE-47, consisting of Fe-Ag reduction and Fenton-like oxidation, was investigated in this study. As an oxidation-resisting pollutant, BDE-47 (5 mg L(-1)) was difficult to be degraded by homogeneous Fe-Ag/H(2)O(2) system
Do Gyun Lee et al.
Water research, 46(13), 4226-4234 (2012-06-08)
Triclosan, a synthetic antimicrobial agent, has been considered as an emerging environmental contaminant. Here we reported a triclosan-degrading wastewater bacterial isolate, Sphingopyxis strain KCY1, capable of dechlorinating triclosan with a stoichiometric release of chloride. The stain can degrade diphenyl ether
Manfred Pöhlein et al.
Journal of chromatography. A, 1203(2), 217-228 (2008-08-09)
Two versatile and fast methods to identify and quantify brominated flame retardants (BrFRs) in styrenic polymers were developed. Gas chromatography/mass spectrometry (GC/MS) as well as gas chromatography with electron-capture detection (GC/ECD), both following ultrasonic-supported dissolution and precipitation (USDP), were applied.
Margaret J Smith et al.
The journal of physical chemistry. A, 114(39), 10712-10716 (2010-09-16)
The reaction of triplet benzophenone with benzene and diphenyl ether has been studied by density functional theory. Quenching of the triplet ketone is predicted to occur by addition of the carbonyl oxygen to the arene chromophores. The reaction is accompanied
Haibo Yu et al.
Journal of agricultural and food chemistry, 59(21), 11718-11726 (2011-10-01)
A series of novel diphenyl ether derivatives containing unsaturated carboxylates were designed and synthesized. Their structures were identified by (1)H nuclear magnetic resonance and elemental analyses. The bioassays indicated that the compounds 5b and 5c exhibited good herbicidal activities against
Sindra L Summoogum et al.
Chemosphere, 85(2), 143-150 (2011-07-09)
This article examines the thermal decomposition of alpha-cypermethrin, one of the most common pyrethroid pesticides. The objective was to identify its decomposition pathways and to gain an understanding into the formation of toxic species in the environment, including those that
Hua Xu et al.
Biochemistry, 47(14), 4228-4236 (2008-03-14)
Approximately one-third of the world's population carries Staphylococcus aureus. The recent emergence of extreme drug resistant strains that are resistant to the "antibiotic of last resort", vancomycin, has caused a further increase in the pressing need to discover new drugs
Page 1 of 2
Page 1 of 2