搜索范围
M57006
应用筛选条件
关键词:'M57006'
显示 1-30 #N/A 34 条结果 关于 "M57006" 范围 论文
P B Nagabalasubramanian et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 85(1), 43-52 (2011-10-26)
In this work, the FT-IR and FT-Raman spectrum of 1-(chloromethyl)-2-methyl naphthalene (abbreviated as 1-ClM-2MN, C(12)H(11)Cl) have been recorded in the region 3600-10cm(-1). The optimum molecular geometry, normal mode wavenumbers, infrared and Raman intensities, Raman scattering activities, corresponding vibrational assignments, Mullikan
Yu Wang et al.
Chemical communications (Cambridge, England), (8)(8), 1090-1091 (2005-02-19)
Using sodium deoxycholate as a protective medium, the selective recognition of Cu(II) at ng ml(-1) level is realized through dynamic phosphorescence quenching of 1-bromo-2-methylnaphthalene (BMN) without deoxygenation. The limit of detection is 4.32 ng ml(-1), and the relative standard deviation
Florin Musat et al.
Environmental microbiology, 11(1), 209-219 (2008-09-25)
The anaerobic biodegradation of naphthalene, an aromatic hydrocarbon in tar and petroleum, has been repeatedly observed in environments but scarcely in pure cultures. To further explore the relationships and physiology of anaerobic naphthalene-degrading microorganisms, sulfate-reducing bacteria (SRB) were enriched from
Jun Yang et al.
Environmental science & technology, 39(9), 3077-3082 (2005-06-02)
Diesel particulate matter (DPM) has been recognized as carcinogenic due to its respirable sizes and toxic compositions. It is essential to understand its formation mechanisms to effectively reduce DPM emissions. Studies have indicated that resonance stabilize radicals can result in
A Basu et al.
Applied microbiology and biotechnology, 62(5-6), 579-585 (2003-04-11)
Pseudomonas putida CSV86 metabolizes 1- and 2-methylnaphthalene through distinct catabolic and detoxification pathways. In spite of the similarity in the steps involved in the methylnaphthalene detoxification and the toluene side-chain hydroxylation pathways, the strain failed to utilize toluene or xylenes.
A A Toropov et al.
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
Vincent Varlet et al.
Journal of agricultural and food chemistry, 54(9), 3391-3401 (2006-04-28)
The odorant volatile compounds of raw salmon and smoked salmon have been investigated by two gas chromatography-olfactometry methods (frequency detection and odorant intensity) and gas chromatography-mass spectrometry. After simultaneous steam distillation-solvent extraction with diethyl ether and the recovery of the
Carolina Berdugo-Clavijo et al.
FEMS microbiology ecology, 81(1), 124-133 (2012-02-14)
Polycyclic aromatic hydrocarbons (PAH) are widespread in methane-rich subsurface environments, such as oil reservoirs and fuel-contaminated aquifers; however, little is known about the biodegradation of these compounds under methanogenic conditions. To assess the metabolism of PAH in the absence of
Hongjoo Ha et al.
Ecotoxicology (London, England), 28(3), 333-342 (2019-02-23)
Polycyclic aromatic hydrocarbons are organic chemicals consisting of a small number of benzene rings. PAHs are exposed to the environment by events such as Crude oil spills, even though they are substances present in the environment. Exposure of PAHs to
Kazutoshi Shindo et al.
Bioscience, biotechnology, and biochemistry, 75(3), 505-510 (2011-03-11)
We performed combinational bioconversion of substituted naphthalenes with PhnA1A2A3A4 (an aromatic dihydroxylating dioxygenase from marine bacterium Cycloclasticus sp. strain A5) and prenyltransferase NphB (geranyltransferase from Streptomyces sp. strain CL190) or SCO7190 (dimethylallyltransferase from Streptomyces coelicolor A3(2)) to produce prenyl naphthalen-ols.
Michael Maes et al.
Langmuir : the ACS journal of surfaces and colloids, 27(15), 9083-9087 (2011-06-24)
The porous coordination polymer (PCP) [Cu(2)(BDC)(2)(dabco)] is capable of selectively adsorbing up to 25 wt % of either 1-methylnaphthalene or 2-methylnaphthalene. Uptakes of unsubstituted naphthalene and 1,4-dimethylnaphthalene are significantly lower (7-13 wt %), suggesting that monomethyl substituted polyaromatics can be
Laura E Korhonen et al.
Journal of medicinal chemistry, 48(11), 3808-3815 (2005-05-27)
The purpose of this study was to determine the cytochrome P450 1A2 (CYP1A2) inhibition potencies of structurally diverse compounds to create a comprehensive three-dimensional quantitative structure-activity relationship (3D-QSAR) model of CYP1A2 inhibitors and to use this model to predict the
Rainer U Meckenstock et al.
FEMS microbiology ecology, 49(1), 27-36 (2004-07-01)
Polycyclic aromatic hydrocarbons (PAHs) are among the most important contaminants of groundwater. The 2- and 3-ring PAHs are of particular concern because they are water soluble in the 1-200 mug/l range and are transported with the groundwater over significant distances.
Kabindra M Shakya et al.
Environmental science & technology, 44(21), 8134-8139 (2010-10-06)
Secondary organic aerosol (SOA) formation from the photooxidation of five polycyclic aromatic hydrocarbons (PAHs, naphthalene, 1- and 2-methylnaphthalene, acenaphthylene, and acenaphthene) was investigated in a 9-m(3) chamber in the presence of nitrogen oxides and the absence of seed aerosols. Aerosol
Franz D Bergmann et al.
Archives of microbiology, 193(4), 241-250 (2011-01-12)
The sulfate-reducing highly enriched culture N47 is capable to anaerobically degrade naphthalene, 2-methylnaphthalene, and 2-naphthoic acid. A proteogenomic investigation was performed to elucidate the initial activation reaction of anaerobic naphthalene degradation. This lead to the identification of an alpha-subunit of
Relationship of naphthalene and 2-methylnaphthalene metabolism to pulmonary bronchiolar epithelial cell necrosis.
A R Buckpitt et al.
Pharmacology & therapeutics, 41(1-2), 393-410 (1989-01-01)
Danlei Wang et al.
Chemico-biological interactions, 315, 108905-108905 (2019-11-26)
Mineral oils are widely applied in food production and processing and may contain polycyclic aromatic hydrocarbons (PAHs). The PAHs that may be present in mineral oils are typically alkylated, and have been barely studied. Metabolic oxidation of the aromatic ring
Michael Safinowski et al.
FEMS microbiology letters, 240(1), 99-104 (2004-10-27)
The upper pathway of anaerobic degradation of 2-methylnaphthalene was studied with a sulphate-reducing enrichment culture, which is able to grow with naphthalene or 2-methylnaphthalene as sole carbon source and electron donor. Anaerobic degradation of 2-methylnaphthalene is initiated by an addition
Eva Annweiler et al.
Applied and environmental microbiology, 68(2), 852-858 (2002-02-02)
Anaerobic degradation of naphthalene, 2-methylnaphthalene, and tetralin (1,2,3,4-tetrahydronaphthalene) was investigated with a sulfate-reducing enrichment culture obtained from a contaminated aquifer. Degradation studies with tetralin revealed 5,6,7,8-tetrahydro-2-naphthoic acid as a major metabolite indicating activation by addition of a C(1) unit to
Kunal Roy et al.
European journal of medicinal chemistry, 44(5), 1941-1951 (2008-12-27)
A series of naphthalene and non-naphthalene derivatives (n=42) having cytochrome P450 2A6 and 2A5 inhibitory activities, reported by Rahnasto et al., were subjected to QSAR and QAAR studies. The analyses were performed using electronic, spatial, shape and thermodynamic descriptors to
Hyun-Joong Kang et al.
Chemosphere, 222, 656-664 (2019-02-08)
Crude oil released into the environment contains many polycyclic aromatic hydrocarbons (PAHs). Alkylated PAHs are more abundant than unsubstituted PAHs and their toxicity is also of serious concern. Among the various physical, chemical, and biological weathering processes of crude oils
Koji Yamaguchi et al.
Journal of analytical toxicology, 36(7), 529-537 (2012-07-18)
Tolfenpyrad (TFP) is a pesticide that was first approved in 2002 in Japan under the trade name of Hachi-hachi. Analyses of TFP and its major metabolite, 4-[4-[(4-chloro-3-ethyl-1-methylpyrazol-5-yl)carbonylaminomethyl]phenoxy]benzoic acid (PTCA), in plasma obtained from a cadaver suspected to have died of
Young-Bum Kim et al.
Applied biochemistry and biotechnology, 159(1), 1-10 (2009-02-14)
Amphiphilic polyurethane (APU) nano-particle enhanced the mobilization of 2-methylnaphthalene (2-MNPT) in soil. Significant increase in the solubility of 2-MNPT was achieved. The molar solubilization ratio was 0.4 (mole 2-MNPT/mole APU). Simple precipitation of APU particle by 2 N CaCl(2) recovered
Michael Safinowski et al.
Environmental science & technology, 40(13), 4165-4173 (2006-07-25)
The sulfate-reducing enrichment culture N47 can grow on naphthalene or 2-methylnaphthalene as the sole carbon and energy source. Here we show that the culture can furthermore cometabolicallytransform a variety of polycyclic and heteroaromatic compounds with naphthalene or methylnaphthalene as the
Amirhassan Amiri et al.
Mikrochimica acta, 186(3), 131-131 (2019-02-02)
Different types of hybrid nanocomposites were prepared from a copper-based metal-organic framework (MOF-199) and graphene (Gr) or fullerene (Fl). The porosity and quality of the nanocomposites were studied by scanning electron microscopy, transmission electron microscopy and BET surface area analysis.
Radosław Swiercz et al.
International journal of occupational medicine and environmental health, 24(4), 399-408 (2011-10-18)
This paper presents toxic effects of 2-MN in laboratory animals under conditions of 4-week inhalation exposure to 2-methylnaphthalene (2-MN) vapors. Male Wistar rats were exposed to 2-MN vapors at a nominal concentration of 0, 2, 10 or 50 mg/m(3) in
Helen Connelly et al.
International journal of toxicology, 29(5), 532-545 (2010-10-05)
Polycyclic aromatic hydrocarbons (PAH) have been demonstrated to affect immune system modulation. The freshwater species of fish, Lepomis macrochirus (bluegill), was employed to investigate the effects of a 14-day dietary exposure to PAH including 2-aminoanthracene (2-AA), 2-methylnaphthalene (2-MN), and 9,10-dimethylanthracene
Gro Harlaug Olsen et al.
Marine environmental research, 72(4), 179-187 (2011-09-13)
Reliable risk assessment approaches for Arctic environments are requested to manage potential impacts associated with increased activities in Arctic regions. We performed toxicity tests on Arctic and temperate species exposed to the narcotic acting oil component, 2-methyl naphthalene. The experimental
Radosław Swiercz et al.
International journal of occupational medicine and environmental health, 23(4), 385-389 (2011-02-11)
The aim of the study was to evaluate the toxicokinetics of 2-methylnaphtalene (2-MN) during and after inhalation exposure. Male Wistar rats were exposed to 2-MN vapours at nominal concentrations of 200 or 400 mg/m3 in the dynamic inhalation chamber for
Raymond J DiDonato et al.
PloS one, 5(11), e14072-e14072 (2010-12-03)
Anaerobic polycyclic hydrocarbon (PAH) degradation coupled to sulfate reduction may be an important mechanism for in situ remediation of contaminated sediments. Steps involved in the anaerobic degradation of 2-methylnaphthalene have been described in the sulfate reducing strains NaphS3, NaphS6 and
1/2