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416703

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Onruthai Pinyakong et al.
FEMS microbiology letters, 238(2), 297-305 (2004-09-11)
Sphingomonas sp. strain A4 is capable of utilizing acenaphthene and acenaphthylene as sole carbon and energy sources, but it is unable to grow on other polycyclic aromatic hydrocarbons (PAHs). The genes encoding terminal oxygenase components of ring-hydroxylating dioxygenase (arhA1 and...
M Lü et al.
Se pu = Chinese journal of chromatography, 17(1), 5-9 (2003-01-29)
In this article, the retention equation and the relationship between retention parameters and the parameters of molecular structure deduced from statistical thermodynamics in RPLC have been used to explain the difference of selectivity towards a particular species of compounds polycyclic...
Zhiru Ma et al.
The journal of physical chemistry. A, 111(10), 2020-2027 (2007-03-29)
13C chemical shift tensor data from 2D FIREMAT spectra are reported for 4,7-di-t-butylacenaphthene and 4,7-di-t-butylacenaphthylene. In addition, calculations of the chemical shielding tensors were completed at the B3LYP/6-311G** level of theory. While the experimental tensor data on 4,7-di-t-butylacenaphthylene are in...
N D Marsh et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 56A(8), 1499-1511 (2000-07-25)
We have examined the UV spectra of six newly-synthesized ethynyl-PAH (1-ethynylnaphthalene, 5-ethynylacenaphthylene, 1-ethynylanthracene, 9-ethynylphenanthrene, 3-ethynylfluoranthene, and 1-ethynylpyrene) and five corresponding CP-PAH (acenaphthylene, aceanthrylene, acephenanthrylene, cyclopenta[cd]fluoranthene, and cyclopenta[cd]pyrene) and have found the following systematic behavior: ethynyl-substitution results in average bathochromic shifts...
Ming Li et al.
Talanta, 74(2), 265-270 (2008-03-29)
A simple, rapid flow injection chemiluminescence (FI-CL) method has been developed for selective determination of acenaphthylene (ACY), based on the CL produced in the reaction of tris(2,2'-bipyridine)ruthenium(III) (Ru(bipy)3(3+)) and ACY in an acidic buffer solution. Under the optimum experimental conditions...
L W Beegle et al.
The Astrophysical journal, 486(2), L153-L155 (2001-09-07)
A mixture of the polycyclic aromatic hydrocarbons (PAHs), acenaphthylene and acenaphthene, when subjected to the energetic environment of a hydrogen plasma, is transformed into a material that exhibits an infrared absorption profile in the 3 micron region that is an...
Shreedhar Bhat et al.
Molecules (Basel, Switzerland), 12(9), 2181-2189 (2007-10-27)
Many chemical reactions which are otherwise clean often lead to the formation of multiple products. Such products may be formed due to a lack of chemo-, regio- and/or stereoselectivity. For such reactions to be useful, one should be able to...
Qi Zhang et al.
Archives of environmental contamination and toxicology, 69(2), 133-142 (2015-04-04)
In this study, ice and water samples were collected from seven sites along the Baotou section of the Yellow River during winter 2013. Total polycyclic aromatic hydrocarbon (PAH) concentrations in the ice and in the water under the ice ranged...
Thiloka C Ariyasena et al.
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...
Fengwen Wang et al.
Environmental science. Processes & impacts, 17(1), 197-205 (2014-12-11)
Providing quantitative information on the sources of PM2.5-bound polycyclic aromatic hydrocarbons (PAHs) in urban regions is vital to establish effective abatement strategies for air pollution in a megacity. In this study, based on a year data set from October 2011...
Nicoleta A Suciu et al.
Waste management (New York, N.Y.), 41, 119-127 (2015-04-16)
The European Commission has been planning limits for organic pollutants in sewage sludge for 14years; however no legislation has been implemented. This is mainly due to lack of data on sewage sludge contamination by organic pollutants, and possible negative effects...
M Rahimi et al.
Analytica chimica acta, 836, 45-52 (2014-07-01)
A conducting copolymer of pyrrole and phenol was electrochemically synthesized on steel frits as a sorbent. The applicability of the frit was assessed for the solid-phase extraction of trace amounts of polycyclic aromatic hydrocarbons (PAHs) in aqueous samples followed by...
Man Wang et al.
Talanta, 132, 922-928 (2014-12-06)
An easy preparation of g-C3N4/Fe3O4 nanocomposites by chemical co-precipitation has been demonstrated. The as-prepared materials were characterized by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy and thermogravimetric analysis. The high affinity of g-C3N4 toward polycyclic aromatic hydrocarbons and...
Paulo Cicero Nascimento et al.
Journal of separation science, 38(13), 2238-2244 (2015-04-18)
An analytical method using liquid chromatography coupled to mass spectrometry with atmospheric pressure chemical ionization for the determination of polycyclic aromatic hydrocarbons in asphalt fractions has been developed. The 14 compounds determined, characterized by having two or more condensed aromatic...
Anand S Nayak et al.
Biodegradation, 20(6), 837-843 (2009-06-23)
Stenotrophomonas sp. RMSK capable of degrading acenaphthylene as a sole source of carbon and energy was isolated from coal sample. Metabolites produced were analyzed and characterized by TLC, HPLC and mass spectrometry. Identification of naphthalene-1,8-dicarboxylic acid, 1-naphthoic acid, 1,2-dihydroxynaphthalene, salicylate...
S Loppi et al.
Chemosphere, 134, 39-43 (2015-04-26)
This study compared the accumulation of 16 polycyclic aromatic hydrocarbons (PAHs) in samples of the lichen Evernia prunastri exposed for 3 months in and around an industrial area of S Italy with that in co-located passive gas-phase air samplers. The...
Xiuhua Zhu et al.
Environmental pollution (Barking, Essex : 1987), 156(2), 461-466 (2008-03-04)
Gaseous emissions of combusted electronic scrap, PVC, carpet and wood were monitored for polycyclic aromatic hydrocarbons (PAHs) by simultaneous use of semipermeable membrane devices (SPMDs) and shoots of spruce needles (Picea abies). It was found that phenanthrene, acenaphthylene and fluorene...
Wentao Wang et al.
The Science of the total environment, 409(15), 2942-2950 (2011-06-15)
Forty passive air samplers were deployed to study the occurrence of gas and particulate phase PAHs in remote, rural village and urban areas of Beijing-Tianjin region, North China for four seasons (spring, summer, fall and winter) from 2007 to 2008....
Kinetics and products of the gas-phase reactions of acenaphthene with hydroxyl radicals, nitrate radicals and ozone.
Zhou S and Wenger JC.
Atmospheric Environment, 72, 97-104 (2013)
Ling Zi Sang et al.
Talanta, 78(4-5), 1339-1344 (2009-04-14)
A fluorimetric method for simultaneous determination of dissolved acenaphthylene (Ace) phenanthrene (Ph) and pyrene (Py), mixed in an aqueous mineral salts medium (MSM), was developed. The linear ranges for determination of Ace, Ph and Py dissolved in the mixture were...
Philipp Eyring et al.
Journal of separation science, 44(2), 600-608 (2020-11-14)
Food can contain unwanted compounds and need to be analyzed for compounds like carcinogenic polycyclic aromatic hydrocarbons to ensure consumer safety. The analytes need to be extracted from the sample matrix and cleaned-up to enable detection. However, established methods for...
Eldra Delannay et al.
Journal of chromatography. A, 1127(1-2), 45-51 (2006-06-30)
Nowadays, centrifugal partition chromatography (CPC) separations can be routinely achieved at the laboratory scale. The solvent system selection has been made easy, as generic sets of solvent systems are described in publications and books. This approach, however, generally reduces the...
F J Rivas et al.
Journal of hazardous materials, 75(1), 89-98 (2000-06-01)
Removal of acenaphthylene from water has been carried out by means of different treatments combining UV radiation, ozone and hydrogen peroxide. Ozonation alone or in conjunction with hydrogen peroxide (10(-3) M) resulted in the highest elimination rates. Thus, conversions as...
Guo-Liang Shi et al.
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...
An electron spin resonance study of the carbonization of the aromatic hydrocarbon acenaphthylene.
Singer LS and Lewis IC.
Carbon, 2(2), 115-120 (1964)
Bin Wang et al.
Environmental science & technology, 49(1), 588-596 (2014-12-10)
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental pollutants, and have been reported to be a risk factor for human neural tube defects (NTDs). We investigated the relationship between PAH concentrations in maternal serum and NTD risk in offspring using a...
Daekyun Kim et al.
Chemosphere, 76(8), 1075-1081 (2009-05-16)
Soot-associated PAHs were exposed to simulated sunlight to investigate disappearance rates under environmental aging conditions and to examine the robustness of diagnostic ratios for PAH source apportionment. Naphthalene, acenaphthylene, acenaphthene, and fluorene showed an obvious two-phase disappearance in all experiments...
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...
M Fernández et al.
Talanta, 138, 190-195 (2015-04-13)
In this work, dispersive liquid-liquid microextraction (DLLME) method was applied for high performance liquid chromatography (HPLC) determination of 15 PAHs in aqueous matrices.The extraction procedure was automated using a system of multisyringe flow injection analysis coupled to HPLC instrument with...
Askin Birgul et al.
Archives of environmental contamination and toxicology, 68(1), 46-63 (2014-12-07)
Ambient air polycyclic aromatic hydrocarbon (PAH) samples were collected at traffic, residential, coastal, and semiurban sites in Bursa, Turkey, between June 2008 and June 2009. For the traffic, residential, coastal, and semiurban sites, the average gas phase total PAH (∑12PAH)...
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