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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.
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
Jiaqi Shi et al.
Environmental science and pollution research international, 20(9), 6138-6149 (2013-04-03)
The lethal doses (LD50s) of fluorinated, chlorinated, brominated, and iodinated benzene, phenol, and diphenyl ether in mice were ascertained respectively under the consistent condition. The acute toxicity of four benzenes orders in fluorobenzene (FB) < iodobenzene < chlorobenzene≈bromobenzene, that of four phenols orders in
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
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
Synthesis and herbicidal activity of diphenyl ether derivatives containing unsaturated carboxylates.
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
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.
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
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
P Kamsri et al.
SAR and QSAR in environmental research, 25(6), 473-488 (2014-05-03)
A series of diphenyl ether derivatives were developed and showed promising potency for inhibiting InhA, an essential enoyl acyl carrier protein reductase involved in mycolic acid biosynthesis, leading to the lysis of Mycobacterium tuberculosis. To understand the structural basis of
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
Mei Wang et al.
PloS one, 10(8), e0135400-e0135400 (2015-08-15)
To date, no report was concerned with participation of reactive oxygen species in waters during photolysis of low-brominated diphenyl ethers (LBDEs). Herein, we found that electron spin resonance (ESR) signals rapidly increased with increasing irradiation time in the solution of
Sedat Dogan et al.
Nanoscale, 7(11), 4875-4883 (2015-02-13)
Solution-processable, two-dimensional semiconductors are promising optoelectronic materials which could find application in low-cost solar cells. Lead sulfide nanocrystals raised attention since the effective band gap can be adapted over a wide range by electronic confinement and observed multi-exciton generation promises
Xiaolu Jiang et al.
Chembiochem : a European journal of chemical biology, 11(8), 1120-1128 (2010-05-01)
Leukotriene A(4) hydrolase (LTA4H) is a bifunctional zinc-containing enzyme with an epoxide hydrolase activity and an aminopeptidase activity of unclear function. The two activities occupy different, but overlapping sites. In this study we have focused on the non-overlapping regions of
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
Xiaolu Jiang et al.
Bioorganic & medicinal chemistry letters, 18(24), 6549-6552 (2008-10-28)
The synthesis and biological evaluation of a series of diphenyl ether derivatives were described. The compounds can either activate or inhibit the aminopeptidase activity of leukotriene A(4) hydrolase, while at the same time do not influence the hydrolase activity. Further
Julia Frant et al.
ChemMedChem, 6(8), 1471-1477 (2011-06-10)
Seven 4-phenoxybenzenesulfonamidopolymethylene carbamoylphosphonates (CPOs) bearing two to eight methylene units in the polymethylene chain were synthesized and evaluated as matrix metalloproteinase (MMP) inhibitors. The five lowest homologues [(CH₂)₂-₆] are selective MMP-2 inhibitors, whereas the two with the longest linkers [(CH₂)₇,₈]
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
Patrick W Causey et al.
Journal of medicinal chemistry, 51(9), 2833-2844 (2008-04-17)
A series of mono and diaryl rhenium(I)-carborane derivatives were prepared using microwave heating and screened for their affinity for two isoforms of the estrogen receptor (ER). The rhenacarborane derivative [(RR'C 2B9H9)Re(CO)3](-) (R = p-PhOH, R' = H), which was generated
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
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
Thomas S Lisse et al.
NPJ Regenerative medicine, 5, 13-13 (2020-06-23)
Glial-cell-derived neurotrophic factor (GDNF) is a well-studied neuroregenerative factor; however, the degree to which it supports hair formation and skin wound repair is not known. By using a Gfra1 (GDNF family receptor alpha 1) knock-in reporter mouse line, GDNF signaling
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
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
Bifunctional Ni catalysts for the one-pot conversion of Organosolv lignin into cycloalkanes
Wang X and Rinaldi R
Catalysis Today, 269, 48-55 (2016)
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
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
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
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