Polycyclic Aromatic Hydrocarbon
Mostrando 1-12 de 118 artigos, teses e dissertações.
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1. Environmental effects of leachate extracts from reclaimed asphalt pavement: determination of metals, polycyclic aromatic hydrocarbon and acute toxicity to Daphnia magna
RESUMO Reclaimed Asphalt Pavement (RAP) has a variety of organic and inorganic compounds that can interact with the environment and promote deleterious effects on human health. This study investigated the potential toxicity of RAP through metal determination, polycyclic aromatic hydrocarbon (PAH) analysis and acute toxicity tests with Daphnia magna. Leached
Engenharia Sanitaria e Ambiental. Publicado em: 2022
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2. Effects of Polycyclic Aromatic Hydrocarbon Pendant-Armed Ligands on the Catecholase Activity of Dinuclear Copper(II) Complexes
Herein, we present three new binuclear copper(II) complexes containing different polycyclic aromatic hydrocarbons, able to catalyze the oxidation of 3,5-di-tert-butylcathecol, a model substrate for catechol oxidase. The ligands and complexes were successful characterized in solid and solution states. The structure of C1 was determined by X-ray crystallograph
J. Braz. Chem. Soc.. Publicado em: 2021-05
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3. Ozone in polycyclic aromatic hydrocarbon degradation
Abstract Among energy sources from food, corn is a cereal with significant nutritional characteristics. However, during preprocessing, corn is subject to contamination by polycyclic aromatic hydrocarbons, which are considered carcinogenic, and gas ozone can be used as an alternative for decontamination. This study aims to evaluate the effect of ozonation on
Food Sci. Technol. Publicado em: 26/07/2018
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4. Anaerobic biodegradation of benzo(a)pyrene by a novel Cellulosimicrobium cellulans CWS2 isolated from polycyclic aromatic hydrocarbon-contaminated soil
Abstract Cellulosimicrobium cellulans CWS2, a novel strain capable of utilizing benzo(a)pyrene (BaP) as the sole carbon and energy source under nitrate-reducing conditions, was isolated from PAH-contaminated soil. Temperature and pH significantly affected BaP biodegradation, and the strain exhibited enhanced biodegradation ability at temperatures above 30 °
Braz. J. Microbiol.. Publicado em: 2018-06
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5. Draft genome of Nocardia farcinica TRH1, a linear and polycyclic aromatic hydrocarbon-degrading bacterium isolated from the coast of Trindade Island, Brazil
Abstract Here, we report the draft genome sequence and annotation of Nocardia farcinica TRH1, a petroleum hydrocarbons degrading Actinobacteria isolated from the coastal water of Trindade Island, Brazil.
Braz. J. Microbiol.. Publicado em: 2017-07
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6. Bioremediation of polycyclic aromatic hydrocarbon (PAH) compounds: (acenaphthene and fluorene) in water using indigenous bacterial species isolated from the Diep and Plankenburg rivers, Western Cape, South Africa
Abstract This study was conducted to investigate the occurrence of PAH degrading microorganisms in two river systems in the Western Cape, South Africa and their ability to degrade two PAH compounds: acenaphthene and fluorene. A total of 19 bacterial isolates were obtained from the Diep and Plankenburg rivers among which four were identified as acenaphthene a
Braz. J. Microbiol.. Publicado em: 2017-06
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7. Interlaboratory Comparison of Quantifying Hydrocarbons and Trace Elements in Sediment Samples from a Tropical Estuary
The Marine and Environmental Studies Laboratory at PUC-Rio, in partnership with the PETROBRAS R&D Center (Brazil), conducted an interlaboratory comparison of aliphatic and aromatic hydrocarbons and trace element determinations. The goal of this study was to produce a homogeneous and stable material and obtain consensus concentration values for its use as a r
J. Braz. Chem. Soc.. Publicado em: 2015-02
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8. Genotoxic effect of Phenanthrene on Chironomus sancticaroli (Diptera: Chironomidae)
Phenanthrene, a Polycyclic Aromatic Hydrocarbon, remains adsorbed to sedimentary particles in aquatic environments. It affects mainly benthic organisms, and is considered potentially genotoxic. In ecotoxicology, species of Chironomus Meigen, 1803 are widely known as bioindicators of the effects of chemicals on aquatic organisms. This study investigates the e
Zoologia (Curitiba). Publicado em: 2014-08
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9. Contenido, distribución y origen de hidrocarburos en sedimentos de tres lagunas urbanas de Concepción - Chile
Aliphatic hydrocarbon content, distribution and origin in superficial and deep sediments of three interconnected urban lagoons located in Concepción-Chile were studied. In all lagoons, the analysis showed that aliphatic hydrocarbons present were of biogenic and anthropogenic origin, and n-alkanes were predominantly from odd carbon, confirmed by a relatively
Quím. Nova. Publicado em: 2013
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10. Characterization of pyrene utilizing Bacillus spp. from crude oil contaminated soil
Pyrene, a high molecular weight polycyclic aromatic hydrocarbon (PAH), is a priority pollutant present in soil contaminated with crude oil, coal-tar and complex PAHs. Bacterial consortium CON-3 developed from crude oil contaminated soil of Patiala, Punjab (India) cometabolized 50 µg ml-1 pyrene in the presence of glucose (0.5 %; w/v) at 30 °C, as determine
Brazilian Journal of Microbiology. Publicado em: 2012-06
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11. Biodegradação de hidrocarbonetos aromáticos policíclicos: prospecção metagenômica e modelagem computacional 3-D de proteínas
O conhecimento sobre os procariotos nativos em locais de risco favorece a aplicação de biotecnologias para biorremediação. Estratégias independentes de cultivo, como metagenômica, contribuem para aprofundar o conhecimento microbiológico, possibilitando estudos com organismos não cultiváveis acerca do status microbiológico nativo e seu potencial pap
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/05/2011
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12. Biorremediação de um solo contaminado com antraceno sob diferentes condições físicas e químicas = Bioremediation of a soil contaminated with anthracene under different chemical and physical conditions / Bioremediation of a soil contaminated with anthracene under different chemical and physical conditions
O antraceno e os demais hidrocarbonetos aromáticos policíclicos (HAPs) podem ser removidos do solo pela biorremediação, cuja eficiência é limitada se as condições físicas e químicas não forem favoráveis à sobrevivência e à atividade dos microrganismos degradadores. O objetivo do presente estudo foi avaliar a influência do pH, da umidade e da
Publicado em: 2010