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显示 31-60 共 149 条结果 关于 "184500" 范围 论文
Keisuke Matsuoka et al.
Journal of oleo science, 64(7), 783-791 (2015-07-03)
The addition of plant sterols/stanols (sterols or stanols) can reduce the solubilization of cholesterol in a model intestinal solution system. We studied the molecular structure of seven different sterols/stanols and the effect they had on the solubilization of cholesterol or
Xu-Liang Cao et al.
Journal of food protection, 75(12), 2163-2171 (2012-12-06)
A method based on isotope dilution headspace solid-phase microextraction, followed by gas chromatography and mass spectrometry, was developed for the determination of naphthalene in foods. Optimum method sensitivity was achieved by the addition of NaCl in water at saturation and
Cheol Ho Heo et al.
Chemical communications (Cambridge, England), 49(13), 1303-1305 (2013-01-09)
We report a small molecule two-photon probe (SAD1) that shows a significant TP action cross section (170 GM), binds to Aβ plaques specifically, readily enters the brain through the BBB, and can directly 3D monitor the individual Aβ plaque in
[Is naphthalene carcinogenic?].
G B Pliss et al.
Voprosy onkologii, 31(12), 3-7 (1985-01-01)
Sidney J Stohs et al.
Toxicology, 180(1), 97-105 (2002-09-27)
Naphthalene is a bicyclic aromatic compound that has wide industrial and commercial applications. It is used as the starting material for the synthesis of other compounds, as a moth repellent, soil fumigant and lavatory deodorant. Most exposure occurs through low
Fabrice Gritti et al.
Journal of chromatography. A, 1352, 20-28 (2014-06-14)
The effect of the pressure on the dispersion of a low molecular weight compound along 0.508 and 1.016 mm i.d. × 50 cm long open circular tubes was investigated theoretically and experimentally. The theoretical predictions were based on the early
Qing Wang et al.
Analytica chimica acta, 888, 182-190 (2015-09-01)
A mixed-mode chromatographic packing material, C18 and diol groups modified silica (C18-Diol), was prepared with controllable hydrophobicity and hydrophilicity. It demonstrated excellent aqueous compatibility and stability in aqueous mobile phase; compared to the traditional C18 column, improved peak shape of
Elodie Landagaray et al.
Biomedical chromatography : BMC, 29(5), 689-697 (2014-10-02)
This work reports a high-performance liquid chromatography normal-phase methodology to elucidate enantiomers of naphthalene derivatives, evaluated as melatoninergic agonists. For this purpose four different polysaccharide based chiral stationary phases were evaluated, namely Chiralcel OD-H (cellulose tris-3,5-dimethylphenylcarbamate), Chiralcel OJ (cellulose tris-methylbenzoate)
S V B Janardhan Garikipati et al.
Journal of biotechnology, 210, 91-99 (2015-07-06)
The solvent resistance capacity of Pseudomonas putida S12 was applied by using the organism as a host for biocatalysis and through cloning and expressing solvent resistant pump genes into Escherichia coli. P. putida S12 expressing toluene ortho mononooxygenase (TOM-Green) was
Kaori Yamaguchi et al.
Journal of chromatography. A, 1288, 149-154 (2013-03-26)
Hydro gel formed by 5'-guanosine monophosphate (GMP) in the presence of a potassium ion is expected to exhibit interesting selectivity in capillary electrophoretic separations. Here, we estimated the conditional association constants between the hydro gel (G-gel) and aromatic compounds by
Samreen Amani et al.
Amino acids, 46(8), 1839-1851 (2014-04-15)
Aggregation of protein into insoluble intracellular complexes and inclusion bodies underlies the pathogenesis of human neurodegenerative diseases. Importance of cytochrome c (cyt c) arises from its involvement in apoptosis, sequence homology and for studying molecular evolution. A systemic investigation of
Fatemeh Sabermahani et al.
Journal of AOAC International, 97(6), 1713-1718 (2015-01-30)
A new method using a multi-injection technique combined with SPE was developed for the determination of copper (Cu) in environmental samples. The method is based on SPE of copper ions on naphthalene as its 2-(5-bromo-2-pyridylazo)- 5-diethylaminophenol (5-Br-PADAP)-ammonium tetraphenylborate complex, in
Lorenz R Rhomberg et al.
Critical reviews in toxicology, 40(8), 671-696 (2010-08-21)
Human health risk assessment consists of bringing to bear a large body of in vitro, animal, and epidemiologic studies on the question of whether environmental exposures to a substance are a potential risk to humans. The body of scientific information
Thomas C Allison et al.
The journal of physical chemistry. A, 119(46), 11329-11365 (2015-10-21)
In this article, the first-principles prediction of enthalpies of formation is demonstrated for 669 polycyclic aromatic hydrocarbon (PAH) compounds and a number of related functionalized molecules. It is shown that by extrapolating density functional theory calculations to a large basis
John C Bachman et al.
Nature communications, 6, 7040-7040 (2015-05-07)
Electrochemical energy-storage devices have the potential to be clean and efficient, but their current cost and performance limit their use in numerous transportation and stationary applications. Many organic molecules are abundant, economical and electrochemically active; if selected correctly and rationally
Mohammad Behbahani et al.
Food chemistry, 187, 82-88 (2015-05-16)
In this research, a new sample treatment technique termed solvent-assisted dispersive solid phase extraction (SA-DSPE) was developed. The new method was based on the dispersion of the sorbent into the sample to maximize the contact surface. In this approach, the
Abdulreza Mashroofeh et al.
Chemosphere, 120, 575-583 (2014-12-03)
The levels of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in the liver, kidney, gills and muscle tissues of Persian sturgeon (Acipenser persicus; n=16), and Stellate sturgeon (Acipenser stellatus; n=7) collected from coastal waters of the South Caspian Sea from
J Lieskovská et al.
Parasite immunology, 37(2), 70-78 (2014-11-20)
Type I interferon (IFN), mainly produced by dendritic cells (DCs), is critical in the host defence against tick-transmitted pathogens. Here, we report that salivary cysteine protease inhibitor from the hard tick Ixodes scapularis, sialostatin L2, affects IFN-β mediated immune reactions
Brian D Fitz et al.
Journal of chromatography. A, 1392, 82-90 (2015-03-31)
Low thermal mass gas chromatography (LTM-GC) was evaluated for rapid, high peak capacity separations with three injection methods: liquid, headspace solid phase micro-extraction (HS-SPME), and direct vapor. An Agilent LTM equipped with a short microbore capillary column was operated at
Matthias Onghena et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 31(12), 2090-2102 (2014-11-20)
In 2011, the European Union prohibited the production of polycarbonate (PC) baby bottles due to the toxic effects of the PC monomer bisphenol-A. Therefore, baby bottles made of alternative materials, e.g. polypropylene (PP) or polyethersulphone (PES), are currently marketed. The
Azusa Suzuki et al.
Bioorganic & medicinal chemistry letters, 23(3), 886-892 (2013-01-01)
We synthesized various C8-naphthylethynylated 2'-deoxyadenosine derivatives and investigated their photophysical properties. Among them, cyano- and N,N-dimethylamino-substituted 8-naphthylethynylated 2'-deoxyadenosine derivatives ((cn)A and (dn)A) showed strong fluorescence with high quantum yields and a remarkable solvatofuorochromicity. In particular, fluorescence of N,N-dimethylamino-substituted (2,6dn)A was
Fabrice Gritti et al.
Journal of chromatography. A, 1280, 35-50 (2013-02-07)
The achievable separation speed and resolution of columns packed with the new 4.6 μm Kinetex particles were characterized by their permeability and their plate heights, measured meticulously. Their specific permeabilities range between 1.81 and 1.95 × 10(-10)cm(2) and their external
Protective effect of Coleus aromaticus Benth (Lamiaceae) against naphthalene-induced hepatotoxicity.
K Vijayavel et al.
Biomedical and environmental sciences : BES, 26(4), 295-302 (2013-03-29)
To investigate protective effect of Coleus aromaticus leaf extract against naphthalene induced hepatotoxicity in rats. Eighteen male rats were divided into three groups. Group I rats were treated as control. Group II rats were intraperitoneally administered with naphthalene (435 mg/kg
Mathieu Goriaux et al.
Environmental science and pollution research international, 21(8), 5628-5636 (2014-01-15)
The heterogeneous ozonolysis of naphthalene adsorbed on XAD-4 resin was studied using an annular denuder technique. The experiments involved depositing a known quantity of naphthalene on the XAD-4 resin and then measuring the quantity of the solid naphthalene that reacted
Weirong Zhao et al.
Chemosphere, 91(7), 1002-1008 (2013-03-07)
To evaluate the health risk of vacuum ultraviolet (VUV) photolysis of naphthalene (NP) in indoor air, intermediates were detected by gas chromatograph-mass spectrometry and proton transfer reaction-mass spectrometry. Results showed that 13 volatile organic compounds (VOCs) in gas phase and
Qianqian Shi et al.
Journal of environmental sciences (China), 25(1), 188-194 (2013-04-17)
A high-surface-area carbon (KC-1) was prepared from waste polystyrene-based ion exchange resin by KOH activation and used for naphthalene adsorption. The carbon exhibited a good hydrophobic nature with developed porous structure, favoring the adsorption of organic compounds. The Brunauer-Emmett-Teller surface
Meng Zhang et al.
Environmental pollution (Barking, Essex : 1987), 195, 84-90 (2014-09-10)
Biochars from nitrogen-rich biomaterials (i.e., α-amylase, chitin and zein) were produced at different temperatures (i.e. 170, 250, 350 and 450 °C) and characterized, and their sorption for phenanthrene, naphthalene and 1-naphthol was investigated. The organic carbon content normalized-sorption coefficient (Koc) of
[The influence of soil pollution on soil microbial consortium].
A V Panov et al.
Mikrobiologiia, 82(2), 239-246 (2013-07-03)
Rihui Su et al.
Journal of chromatography. A, 1405, 23-31 (2015-06-17)
In this work, polymerized high internal phase emulsion (polyHIPE) monoliths were prepared and applied as monolithic adsorbent materials for proconcentration of trace polycyclic aromatic hydrocarbons (PAHs) from large-volume water samples. The monolithic polyHIPE columns were prepared by in situ polymerization
Xiaobiao Zhu et al.
Biodegradation, 26(6), 465-474 (2015-10-30)
The bioaugmentation strains for phenol, pyridine, quinoline, carbazole, and naphthalene degradation were employed to treat coking wastewater in a membrane bioreactor (MBR). The results showed that the bioaugmented MBR was much better in pollutant removal than that of the control
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