Showing papers in "Polycyclic Aromatic Compounds in 2001"
TL;DR: In this article, solid carriers have been developed to inoculate Trametes versicolor and Cunninghamella elegans into manufactured gas plant site soils, and a 38% decrease of solvent extractable PAHs was observed in manufactured GPs site soils when supplemented with T. versicolors, Glucidex 19TM, ammonium nitrate, lime phosphate and Montanox 80TM after 20 weeks.
30 citations
TL;DR: In this paper, the gas phase reactions of OH with 1- and 2-methylnaphthalene, 1, 3 and 2, 3-dimethylnaphalene, acenaphthylene, achenaphthene, and acenophthalene were investigated under simulated atmospheric conditions in a 10m3 smog chamber.
19 citations
TL;DR: The National Institute of Standards and Technology (NIST) has recently issued several new environmental matrix SRMs, including air and diesel particulate matter, marine sediment, and mussel tissue with certified and reference concentrations for polycyclic aromatic hydrocarbons (PAHs) as mentioned in this paper.
17 citations
TL;DR: In this article, the structure and thermal racemization of nonconjugated aromatic hexaynes and heptaynes were described, as well as the structure of the ring-fused fluoranthene and benzo[a]rubicene derivatives.
14 citations
TL;DR: In this paper, the gas-particle partitioning and particle size distributions of airborne PAH in Bangkok urban air were investigated using an 8 stage size fractionating cascade impactor (Andersen “low volume” sampler) and a downstream XAD-2 adsorbent tube for sample collection.
13 citations
TL;DR: In this paper, it was suggested that the major adduct found in the lungs and also in skin and lymphocytes of BFC-treated rats might be usable as a marker of exposure to bitumen fumes.
13 citations
TL;DR: In this paper, molecular quantum similarity matrices and the electron-electron interaction energy are examined and a brief exposition of the methodology and the QSAR protocol is given, and a summary of the results obtained using these descriptors is presented.
10 citations
TL;DR: The 2,3-di-n-alkoxy-azapolycyclic arenes are shown to act as potent gelators for a variety of organic liquids.
10 citations
TL;DR: In this paper, AM1 and PM3 methods are employed to calculate minimum, transition state, and higher order saddle point conformations of planar and overcrowded C34H18 4-15 and C38H18 16-21 LPAHs, potential products of peri - peri reductive coupling of benzanthrone (2) and naphthanthrone(3), respectively.
8 citations
TL;DR: In this paper, a method of detection of PCBs in water, based on extraction/concentration with chips cut from an SPE disk-shaped C18 inverse phase coupled with a fluorescence detection and quantification directly on the phase has been evaluated.
8 citations
TL;DR: In this paper, eight light polycyclic aromatic hydrocarbons (PAHs) have been measured in the gas and particle phase of the atmosphere of Athens, in one site during an eight-month period (December, 1997-July, 1998).
TL;DR: Hepatic cytochrome P450 monooxygenase activities including Benzo(a)pyrene hydroxylase (BPH), biomarker of exposure to polycyclic hydrocarbons (PAH) and other organic contaminants like polychlorobiphenyls (PCB) was measured in the microsomal fraction from the fish, Serranus cabrilla (sea comber) liver, and the mussel, Mytilus galloprovincialis, digestive gland.
TL;DR: In this article, a quenching inhibition factor (QIF) has been defined for added quenchers in inert micellar medium, and other quench parameters calculated are K Q and E Q.
TL;DR: In this article, the stability of polycyclic aromatic hydrocarbons (PAHs) in frozen mussel tissue (stored at -80 °C and -120 °C) was assessed by analyzing samples of SRM 1974 and SRM1974a, Organics in Mussel Tissue (Mytilus edulis), since the initial certification analyses.
TL;DR: The adsorption and availability of polycyclic aromatic hydrocarbons (PAHs) in the environment is an important factor to be considered for potential bioremediation processes.
TL;DR: The synthesis and spectral properties of seven trimethyldibenzothiophenes that have been shown to occur in crude oil are described in this article, where they are shown to be ubiquitous in fossil fuels.
TL;DR: Your contributions to the identification of bay-region and fjord-region diol epoxides as ultimate carcinogens of the PAH are focused on and some of the remarkable stereochemical control involved in their synthesis, metabolic formation, and expression of tumorigenic activity are described.
TL;DR: In this paper, a focused microwave assisted (FMW) extraction method was used to extract polycyclic aromatic compounds (PAHs) from spruce needles (Picea abies).
TL;DR: In this article, the authors used quantum mechanics calculations to generate properties such as molecular shape or thermodynamic stability that could be related to chromatographic indices for polycyclic aromatic compounds containing one sulfur atom.
TL;DR: In this paper, the coupling of Solid Phase Microextraction (SPME), a recent sample preparation technique to HPLC and fluorescence or diode-array detection (DAD) is applied to the analysis of the following polynuclear aromatic hydrocarbons: fluoranthene, benzo[b]fluoranthene and benzo [a]pyrene in model aqueous solutions.
TL;DR: In this paper, 1,3-Dichlorobenzo[f]quinoline was obtained from 1-hydroxybenzo[ f]quinolin-3-one and used to prepare the benzoquinolinylthiourea derivative.
TL;DR: In this article, 6H-benzo[cd]-pyren-6-one, 2-nitro-benzos[hi]chrysen-13-one (2), 2-bromo-di-, de]anthracen- 13-one(3), and 7H-bronco-di-Benzo[hi]-Chrysen (7-1) were investigated in an ethanol-ether-toluene mixed solution.
TL;DR: In this paper, a thorough NMR measurements were made on 3-nitro-7H-benz[d, e]anthracen-7-one (1), 1,9-dinitro-6H-Benz[D,e]anthrasen-1 (2), 3-11-din-nitro-1H-H-BENZ[d] (3,11]-7Hbenz [d,e]-anthracens 7-one, and 11-nite-7h-
TL;DR: In this article, a color indicator capable of entering into charge transfer interactions with the aromatic compounds with a concomitant color change was included to give a visual signal when the aromatics start eluting from the column.
TL;DR: In this article, the number of resonance structures for series of benzenoid and related free-radicals structures is computed and analytical expressions derived, and the structural origin of some of the coefficients to these analytical expressions are presented.
TL;DR: In this article, the synthesis of [2.2]-3,11)-dibenzo[c,l]chrysenophane, [2]-4,4′)-biphenylo(3, 11)dibenzylo-(c, l)chryssophane and [2] chryseophane are described.
TL;DR: In this article, the nitration of three isomeric dibenzanthrones, 13H-dibenzo[a,de]-anthracene-13-one(3), 7H-benzo[hi]chrysene-7-one (4), and 7Hdibbenzo [a,kl]anthracenes-7one(5), with concentrated nitric acid was studied under various conditions.
TL;DR: Bis(l0-phenyl-9-dianthry 1oxy)methane has been designed and synthesized to serve as anexcimer fluorescence probe taking advantage of the remarkable flexibility of the chain this article.
TL;DR: In this paper, the authors describe a plausible mechanism for the synthesis of polycyclic aromatic compounds (PACs) starting from 2-benzoylbenzoic acid, glycerol, copper sulfate.
TL;DR: In this article, two 2D tableaus of heterocyclic molecular systems are shown to have molecular graphs that are pairwise strongly subspectral (having a preponderance of common eigenvalues).