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31581
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Showing 1-30 of 56 results for "31581" within Papers
Chemical communications (Cambridge, England), 49(16), 1630-1632 (2013-01-23)
A bowl-shaped organic host was prepared by linking two anthracene-embedded bispyridine ligands with two methylene spacers. The water-soluble host has a hemispherical hydrophobic cavity (∼1 nm in diameter) with two cationic methylenebispyridinyl (Lewis acidic) moieties and shows the selective recognition
Journal of colloid and interface science, 387(1), 221-227 (2012-09-05)
Anthracene Diels Alder adducts (DAa) bearing two long side chains (H-(CH(2))(22)O(CH(2))(6)OCH(2)-) at the 1- and 5-positions form self-assembled monolayers (SAMs) at the phenyloctane-highly oriented pyrolytic graphite (HOPG) interface. The long DAa side chains promote strong physisorption of the monolayer to
Introduction to the themed issue dedicated to Jean-Pierre Desvergne.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 11(11), 1611-1612 (2012-10-11)
Journal of the American Society for Mass Spectrometry, 25(11), 1870-1881 (2014-09-25)
A novel, gas-tight API interface for gas chromatography-mass spectrometry was used to study the ionization mechanism in direct and dopant-assisted atmospheric pressure photoionization (APPI) and atmospheric pressure laser ionization (APLI). Eight analytes (ethylbenzene, bromobenzene, naphthalene, anthracene, benzaldehyde, pyridine, quinolone, and
Langmuir : the ACS journal of surfaces and colloids, 29(9), 2843-2848 (2013-02-12)
A new type of anthracene organogelator based on uracil was obtained using organic aromatic solvents, cyclohexane, DMSO, ethanol, and ethyl acetate. It was further characterized by field-emission scanning electron microscopy and transmission electron microscopy. Specifically, the resulting organogels were demonstrated
Amino acids, 44(4), 1193-1203 (2013-01-08)
One of the major problems in cancer therapy is the lack of specificity of chemotherapeutic agents towards cancer cells, resulting in adverse side effects. One means to counter this is to selectively deliver the drug to the cancer cell. Cancer
Organic letters, 15(24), 6148-6151 (2013-11-19)
Dynamic covalent bonds supplied by reversible anthracene dimerization were combined with pillar[5]arene/imidazole host-guest interactions to construct double-dynamic polymers. Heating such polymers (in solution or as a gel) led to depolymerization by dissociation of either the host-guest complexes alone or the
Aquatic toxicology (Amsterdam, Netherlands), 149, 94-102 (2014-02-28)
Polycyclic aromatic hydrocarbons (PAHs) are recognised as one of the main groups of contaminants that assume more importance in the marine environment, enhancing the need of studies concerning their adverse effects and more efficient and ecologically relevant tools for environmental
Biotechnology and applied biochemistry, 61(5), 549-554 (2014-01-01)
The metabolic peculiarities of anthracene and pyrene by Pycnoporus sanguineus H1 were investigated. The fungus H1 could grow on potato dextrose agar plates with anthracene and anthraquinone as carbon sources. In liquid medium, the strain degraded 8.5% of anthracene as
Ecotoxicology and environmental safety, 96, 238-241 (2013-07-31)
Contamination of soils with polycyclic aromatic hydrocarbons (PAHs) is a serious problem in petroleum producing countries, such as México, and environment-friendly easy to apply techniques are required to accelerate the removal of the contaminants. Removal of anthracene was monitored in
Journal of chromatography. A, 1358, 60-67 (2014-07-20)
A novel TiO2-nanosheets coated fiber for solid-phase microextraction (SPME) was fabricated by anodization of Ti wire substrates in ethylene glycol with concentrated NH4F. The in situ fabricated TiO2-nanosheets were densely embedded into Ti substrates with about 1μm long, 300nm wide
Chemical communications (Cambridge, England), 48(95), 11671-11673 (2012-10-26)
Perylene bisimide derivatives substituted with one and two tetraphenylethene moieties at 1 and 1,7-postions show distinct optical properties. The former displays characteristic emission features of perylene bisimides in solution and red emission in the aggregate state, while the latter is
Chemical communications (Cambridge, England), 49(22), 2252-2254 (2013-02-12)
The preparation of anthracene-based low band gap conjugated polymers comprising 2,6-linked anthracene and dithienyl-benzo[c][1,2,5]thiadiazole or dibithiophenyl-benzo[c][1,2,5]thiadiazole alternate repeat units is presented. The photophysical, electrochemical and photovoltaic properties of the polymers in bulk heterojunction solar cells using PC(71)BM as an acceptor
Bulletin of environmental contamination and toxicology, 90(1), 60-68 (2012-12-01)
The feeding rate, growth rate and gross conversion efficiency were studied in milkfish Chanos chanos for 28 days of exposure to sub-lethal concentrations of anthracene (1.00, 2.00, 3.00, 6.00 and 12.0 μg l(-1)) and benzo [a] pyrene (0.30, 0.70, 1.40, 2.80 and 5.60
Chemical communications (Cambridge, England), 48(94), 11513-11515 (2012-10-24)
2,2'-Dipyridylamine and anthracene units were linked to afford highly emissive compounds whose Cu(2+) ensembles were developed as effective fluorescence turn-on CN(-) probes.
Polycyclic aromatic hydrocarbons (PAHs) in edible oils by gas chromatography coupled with mass spectroscopy.
Arabian Journal of Chemistry, 5.3, 391-396 (2012)
Enzyme and microbial technology, 52(1), 44-53 (2012-12-04)
The inhibitor and substrate specificities of versatile peroxidase from Bjerkandera fumosa (VPBF) were studied. Two different effects were found: NaN(3), Tween-80, anthracene, and fluorene decreased the activity of VPBF, but p-aminobenzoic acid increased it. A mixed mechanism of effector influence
Nanoscale, 7(16), 7234-7245 (2015-03-27)
We report the fabrication of an efficient, label-free, selective and highly reproducible immunosensor with unprecedented sensitivity (femto-molar) to detect a breast cancer biomarker for early diagnostics. Mesoporous zinc oxide nanofibers (ZnOnFs) are synthesized by electrospinning technique with a fiber diameter
The Science of the total environment, 502, 16-21 (2014-09-23)
An improved physically constrained source apportionment (PCSA) technology using the Multilinear Engine 2-species ratios (ME2-SR) method was proposed and applied to quantify the sources of PM10- and PM2.5-associated polycyclic aromatic hydrocarbons (PAHs) from Chengdu in winter time. Sixteen priority PAH
FEMS microbiology ecology, 83(2), 438-449 (2012-09-12)
This study evaluates the ability of two bacterial consortia (C2PL05 and BOS08), extracted from very different environments, to degrade low- (naphthalene, phenanthrene, anthracene) and high- (pyrene, perylene) molecular-weight polycyclic aromatic hydrocarbons (PAHs) at high (15-25 °C) and low (5-15 °C) temperature ranges.
Environmental toxicology and chemistry, 34(3), 480-487 (2014-11-18)
Concentrations of particulate matter with an aerodynamic diameter less than 10 μm (PM10 ) and PM with an aerodynamic diameter less than 2.5 μm (PM2.5 ), and 16 polycyclic aromatic hydrocarbons (PAHs) were measured. The average concentrations of PM10 and
Cancer science, 105(12), 1631-1637 (2014-10-15)
Tissue factor (TF), which serves as the initiator of the extrinsic blood coagulation cascade, has been found to be overexpressed in various solid tumors, especially brain tumors, pancreatic cancer, and gastric cancer. Overexpression of TF is considered to contribute to
European journal of medicinal chemistry, 43(4), 714-740 (2007-07-17)
Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and organic compounds of different classes by optimal descriptors. Statistical characteristics of the best model (vitamins) are the
Journal of agricultural and food chemistry, 62(50), 12103-12111 (2014-11-11)
A high-resolution gas chromatography/mass spectrometry (GC/MS) with selected ion monitor method focusing on the characterization and quantitative analysis of ginkgolic acids (GAs) in Ginkgo biloba L. plant materials, extracts, and commercial products was developed and validated. The method involved sample
Advanced materials (Deerfield Beach, Fla.), 25(3), 456-461 (2013-02-22)
Molecules that change their structure in response to a stimulus such as light or an added chemical can act as molecular switches. Such switches can be chemically linked to other active moieties to create molecular "devices" for various purposes. There
The Analyst, 138(17), 4950-4957 (2013-06-27)
A target-induced fluorescent silica nanoparticle has been developed for the identification, enrichment and in situ determination of trace amounts of zinc(II). The nanoparticle combines the advantages of target-induced fluorescent compounds and the small size of the nanomaterial to produce a
Chimia, 67(4), 283-285 (2013-08-24)
We describe the challenges involved with extending the limited lateral size of two-dimensional polymers (2DPs). An amphiphilic monomer with three-fold symmetry is chosen to form an ideally tessellated monolayer at the air/water interface. Anthracene [4+4] photo-dimerization is chosen as the
Journal of chromatographic science, 52(3), 201-210 (2013-02-21)
This paper describes the comprehensive fabrication of monolithic materials for use as stationary phases in capillary liquid chromatography. Several columns were synthesized in the confines of 320 µm i.d. fused-silica capillaries by single-step in situ copolymerization of benzyl methacrylate and
Journal of chromatography. A, 1361, 240-254 (2014-08-30)
Retention factors on several columns and at various temperatures using gas chromatography and from reversed-phase liquid chromatography on a SunFire C18 column with various mobile phase compositions containing acetonitrile, methanol and tetrahydrofuran as strength adjusting solvents are combined with liquid-liquid
Dalton transactions (Cambridge, England : 2003), 42(14), 4859-4872 (2013-02-02)
The synthesis of a new linear bis-tetraamine ligand L1, based on two 1,4,8,11-tetraazaundecane units grafted at the 2 and 6 positions of a pyridinyl linker substituted by an anthracenyl fluorophore in the para position, is described and anion complexation studies
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