Search Results - "Wagener, Angela L. R."

Sedimentary record of hydrocarbons and sewage inputs from a highly populated region in South-Eastern Brazil by Lazzari, Letícia, Wagener, Angela L.R., Boyle, Edward A., Massone, Carlos G., Godoy, José Marcus O., Lott, Carolina, Cordeiro, Lívia G.M.S., Carreira, Renato S.

“…The environmental impacts of the urban expansion in Rio de Janeiro was evaluated based on the historical accumulation of black carbon (BC), aliphatic (AHs) and…”
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Regional assessment of PAHs contamination in SE Brazil using brown mussels (Perna perna Linnaeus 1758) by Yoshimine, Renato V., Carreira, Renato S., Scofield, Arthur L., Wagener, Angela L.R.

“…► Native and cultured mussels were used as biomonitors to regional assessment of PAHs contamination. ► Total PAHs and cluster analysis revealed an increasing…”
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Marine sponges as bioindicators of oil and combustion derived PAH in coastal waters by Batista, Daniela, Tellini, Karla, Nudi, Adriana H., Massone, Thaís P., Scofield, Arthur de L., Wagener, Angela de L.R.

“…The present study evaluates the potential of Hymeniacidon heliophila as bioindicator of PAH contamination. For this, concentration of 33 PAH was determined in…”
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Biomarkers of PAHs exposure in crabs Ucides cordatus: Laboratory assay and field study by Nudi, Adriana H., Wagener, Angela de L.R., Francioni, Eleine, Sette, Carla B., Sartori, André V., Scofield, Arthur de L.

“…Pyrene metabolites in urine and micronucleus in haemocytes of crabs ( Ucides cordatus) were tested as biomarkers of exposure to oil derived PAHs in mangrove…”
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Hydrocarbon composition and distribution in a coastal region under influence of oil production in northeast Brazil by Wagener, Angela de L.R., Carreira, Renato S., Hamacher, Claudia, Scofield, Arthur de L., Farias, Cassia O., Cordeiro, Lívia G.M.S., Luz, Letícia G., Baêta, Aída P., Kalas, Francine A.

“…► PAH and aliphatics from treated produced water were monitored in the coastal zone. ► The effluent caused no significant environmental change on water or…”
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Geochemistry of fecal sterols in a contaminated estuary in southeastern Brazil by Cordeiro, Lívia G.S.M., Carreira, Renato S., Wagener, Angela L.R.

“…Domestic sewage contamination in the Iguaçu River, located in the northwestern sector of Guanabara Bay (Rio de Janeiro, Brazil) was investigated by using…”
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Distribution and source apportionment of hydrocarbons in sediments of oil-producing continental margin: a fuzzy logic approach by Wagener, Angela de L. R., Falcão, Ana P., Farias, Cassia O., Molina, Flávio Fernandes, da Silva Carreira, Renato, Mauad, Cristiane, Nudi, Adriana, Scofield, Arthur de L., Massone, Carlos German

“…Investigation were carried out targeting distribution and source apportioning of hydrocarbons in surface sediments from shallow to deep waters in the Campos…”
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Hydrocarbons and trace metals in mussels in the Macaé coast: Preliminary assessment for a coastal zone under influence of offshore oil field exploration in southeastern Brazil by Santiago, Igor U., Molisani, Mauricio M., Nudi, Adriana H., Scofield, Artur L., Wagener, Angela de L.R., Limaverde Filho, Aricelso M.

“…Concentrations of PAHs and metals were obtained from mussels collected in beaches, coastal island and estuary of the Macaé coast, the main operational basin…”
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Revisiting hydrocarbons source appraisal in sediments exposed to multiple inputs by Massone, Carlos G., Wagener, Angela de L.R., Abreu, Henrique Monteiro de, Veiga, Álvaro

“…•We examine time changes in sediment contamination levels.•We test statistical methods efficiency to improve hydrocarbon source identification.•We model PAH…”
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Origin and degradation of hydrocarbons in mangrove sediments (Rio de Janeiro, Brazil) contaminated by an oil spill by Farias, Cassia O., Hamacher, Claudia, Wagener, Angela de L.R., Scofield, Arthur de L.

“…Compositional alterations of oil (MF380) spilled in mangrove sediments was studied over 4 years with an emphasis on weathering of PAH. Sediment cores were…”
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Multiresidue method for triazines and pyrethroids determination by solid-phase extraction and gas chromatography-tandem mass spectrometry by Lachter, Daniela R., Nudi, Adriana H., Porto, Giovana F., Ribeiro, Raquel A. L., Wagener, Angela L. R., Masone, Carlos German

“…This research aimed at implementing and validating a method for analysis of pesticide residues in crops. QuEChERS extraction method with PSA purification was…”
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Branched GDGTs as Proxies in Surface Sediments From the South-Eastern Brazilian Continental Margin by Ceccopieri, Milena, Carreira, Renato S., Wagener, Angela L. R., Hefter, Jens, Mollenhauer, Gesine

“…Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are membrane lipids produced by bacteria usually ascribed to soil and peat deposits. The presence of…”
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Changes in the sedimentary organic carbon pool of a fertilized tropical estuary, Guanabara Bay, Brazil: an elemental, isotopic and molecular marker approach by Carreira, Renato S., Wagener, Angela L.R., Readman, James W., Fileman, Tim W., Macko, Stephen A., Veiga, Álvaro

“…Sediments from Guanabara Bay, sampled as short-cores (50–60 cm) from eight stations, were analysed for the elemental (C and N), isotopic ( δ 13C and δ 15N) and…”
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Molecular and isotopic characterization of the particulate organic matter from an eutrophic coastal bay in SE Brazil by Kalas, F A, Carreira, R S, Macko, SA, Wagener, ALR

“…The present work aimed at studying the origin of particulate organic matter in Guanabara Bay and in some rivers of the Guanabara basin by using elemental…”
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INVESTIGATION ON THE NATURE AND PROVENANCE OF PAH FOUND IN SEDIMENTS OF THE SOLIMÕES RIVER AND SOME ASSOCIATED LAKES by de Oliveira, Tereza, Scofield, Arthur, Silva, Luana, Lopes, Alcinei, Wagener, Angela

“…The present work aimed at evaluating indicators of hydrocarbon sources to sediments from the Solimões River region, in the central Amazon. The 16PAH, the…”
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Distribution of copper in the vicinity of a deactivated mining site at Carajás in the Amazon region of Brazil by Cassella, Ricardo J., Wagener, Angela de L.R., Santelli, Ricardo E., Wagener, Klaus, Tavares, Lídia Y.

“…In this work the re-fixation of mobilized copper (Cu) that was released from a deactivated pilot Cu ore dressing plant in the tropical rain forest at…”
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Hydrocarbons in sediments of a chronically contaminated bay: The challenge of source assignment by Wagener, Angela de L.R., Meniconi, Maria de Fátima G., Hamacher, Claudia, Farias, Cassia O., da Silva, Gilson C., Gabardo, Irene T., Scofield, Arthur de L.

“…► Typology and provenance of hydrocarbons in sediments of highly contaminated bay. ► Critical evaluation of PAH source assignment by diagnostic ratios. ►…”
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Speciation of organotin compounds in sediment cores from Guanabara Bay, Rio de Janeiro (Brazil) by gas chromatography-pulsed flame photometric detection by Almeida, Ana Cristina, Wagener, Angela de L. R., Maia, Cristina B., Miekeley, Norbert

“…The contamination of sediments by organotins poses a threat to marine biota that may last long after release of the substances. The determination of…”
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Urban rivers as conveyors of hydrocarbons to sediments of estuarine areas: source characterization, flow rates and mass accumulation by Mauad, Cristiane R, Wagener, Angela de L R, Massone, Carlos G, Aniceto, Mayara da S, Lazzari, Letícia, Carreira, Renato S, Farias, Cássia de O

“…Aliphatic (n-C12-n-C40, unresolved complex mixture, resolved peaks) and aromatic hydrocarbons (46 PAH) were investigated in suspended particulate matter (SPM)…”
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Formation and identification of PAHs metabolites in marine organisms by Sette, Carla B., Pedrete, Thaís de A., Felizzola, Juliana, Nudi, Adriana H., Scofield, Arthur de L., Wagener, Angela de L.R.

“…In this study, the development of the technique APCI+ LC/MS/MS allowed the detection of phenanthrene, pyrene and metabolites of alkyl homologs in fish bile (in…”
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