Search Results - "De Oliveira, Silvana Ruella"

High Eu3+ concentration quenching in Y3TaO7 solid solution for orange-reddish emission in photonics by Fernanda Hediger Borges, Caixeta, Fábio José, Rafael Ramiro Pereira, Silvana Ruella de Oliveira, Ferreira, Rute A S, Rogéria Rocha Gonçalves

“…We report the synthesis of a Y3TaO7 solid solution containing a high Eu3+ concentration (from 7 up to 50 mol%) and investigate how Eu3+ influences the Y3TaO7…”
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Fundão tailings dam failure in Brazil: Evidence of a population exposed to high levels of Al, As, Hg, and Ni after a human biomonitoring study by Cavalheiro Paulelli, Ana Carolina, Cesila, Cibele Aparecida, Devóz, Paula Pícoli, Ruella de Oliveira, Silvana, Bianchi Ximenez, João Paulo, Pedreira Filho, Walter dos Reis, Barbosa Jr, Fernando

“…On November 5th, 2015, the Fundão mine tailings dam in Minas Gerais State, Brazil, failed, releasing more than 50 million m3 of mud, rich in toxic metals…”
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Association between urinary concentrations of toxic metals/metalloids and oxidative stress in Brazilians living in areas affected by the Fundão dam failure by Cavalheiro Paulelli, Ana Carolina, Cruz, Jonas Carneiro, Rocha, Bruno Alves, Souza, Marilia Cristina Oliveira, Ruella de Oliveira, Silvana, Cesila, Cibele Aparecida, Devoz, Paula Picoli, Filho, Walter dos Reis Pedreira, Soares de Campos, Mônica, Domingo, José L., Barbosa, Fernando

“…The Fundão Dam failure has been the most significant environmental disaster in Brazil. The catastrophe released large amounts of mining waste into the…”
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Cobalt internal standard for Ni to assist the simultaneous determination of Mo and Ni in plant materials by high-resolution continuum source graphite furnace atomic absorption spectrometry employing direct solid sample analysis by de Babos, Diego Victor, Bechlin, Marcos André, Barros, Ariane Isis, Ferreira, Edilene Cristina, Neto, José Anchieta Gomes, de Oliveira, Silvana Ruella

“…A new method is proposed for the simultaneous determination of Mo and Ni in plant materials by high-resolution continuum source graphite furnace atomic…”
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Fast sequential multi-element determination of Ca, Mg, K, Cu, Fe, Mn and Zn for foliar diagnosis using high-resolution continuum source flame atomic absorption spectrometry: Feasibility of secondary lines, side pixel registration and least-squares background correction by de Oliveira, Silvana Ruella, Raposo, Jorge Luiz, Gomes Neto, José Anchieta

“…The fast sequential multi-element determination of Ca, Mg, K, Cu, Fe, Mn and Zn in plant tissues by high-resolution continuum source flame atomic absorption…”
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Mathematical equation correction to spectral and transport interferences in high-resolution continuum source flame atomic absorption spectrometry: determination of lead in phosphoric acid by Raposo Junior, Jorge Luiz, De Oliveira, Silvana Ruella, Nóbrega, Joaquim Araújo, Gomes Neto, José Anchieta

“…In this work, a new mathematical equation correction approach for overcoming  spectral and transport interferences was proposed. The proposal was applied to …”
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Mathematical equation correction to spectral and transport interferences in high-resolution continuum source flame atomic absorption spectrometry: determination of lead in phosphoric acid by Raposo Jr, Jorge Luiz, Oliveira, Silvana Ruella de, Nóbrega, Joaquim Araújo, Gomes Neto, José Anchieta

“…In this work, a new mathematical equation correction approach for overcoming spectral and transport interferences was proposed. The proposal was applied to…”
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Preliminary ionome of the parotoid gland secretion from Rhinella jimi toad by Oliveira, Christian Bremmer dos Santos, Barros, Elcio Daniel Sousa, de Oliveira, Silvana Ruella, Barbosa Júnior, Fernando, Vieira Júnior, Gerardo Magela, Lopes Júnior, Cícero Alves

“…The cururu toad (Rhinella jimi) is an anuran belonging to the fauna of the Brazilian northeast region, which releases a secretion with toxins from your…”
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Yttrium tantalate containing high concentrations of Eu3+ as dopant: Synthesis and structural and luminescence features by Borges, Fernanda Hediger, Caixeta, Fábio José, Pereira, Rafael Ramiro, de Oliveira, Silvana Ruella, Gonçalves, Rogéria Rocha

“…This study reports the synthesis and the structural and spectroscopic characterization of Eu3+-doped yttrium tantalate prepared by a new sol–gel method, which…”
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An eco-friendly sample preparation procedure base on low-density solvent-based air-assisted liquid-liquid microextraction for the simultaneous determination of 21 potential endocrine disruptors in urine samples by liquid chromatography-tandem mass spectrometry by Rocha, Bruno Alves, de Oliveira, Silvana Ruella, da Silva, Rodrigo Moreira, Barcelos, Gustavo Rafael Mazzaron, de Oliveira, Anderson Rodrigo Moraes, Barbosa, Fernando

“…A simple and rapid procedure for simultaneous determination of 21 potential endocrine-disrupting chemicals (EDs) in urine samples by liquid…”
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High Eu 3+ concentration quenching in Y 3 TaO 7 solid solution for orange-reddish emission in photonics by Borges, Fernanda Hediger, Caixeta, Fábio José, Pereira, Rafael Ramiro, Ruella de Oliveira, Silvana, Ferreira, Rute A S, Gonçalves, Rogéria Rocha

“…We report the synthesis of a Y TaO solid solution containing a high Eu concentration (from 7 up to 50 mol%) and investigate how Eu influences the Y TaO…”
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Preparação de eletrodos de hidroxiapatita por diferentes metodologias de síntese e sua aplicação na determinação de fosfito em fertilizantes líquidos by De Lima Souza, Josiane, Martin, Neiva, Ruella de Oliveira, Silvana, Lindino, Cleber Antonio

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High Eu concentration quenching in YTaO solid solution for orange-reddish emission in photonics by Borges, Fernanda Hediger, Caixeta, Fábio José, Pereira, Rafael Ramiro, Ruella de Oliveira, Silvana, Ferreira, Rute A. S, Gonçalves, Rogéria Rocha

“…We report the synthesis of a Y 3 TaO 7 solid solution containing a high Eu 3+ concentration (from 7 up to 50 mol%) and investigate how Eu 3+ influences the Y 3…”
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Simultaneous determination of Cd and Pb in antibiotics used in sugar-cane fermentation process by GFAAS by Volnei R. Amorim Filho, Wagner L. Polito, Silvana Ruella De Oliveira, Gian Paulo G. Freschi, J. A. Gomes Neto

“…A method has been developed for the simultaneous determination of Cd and Pb in antibiotics used in sugar-cane fermentation by GFAAS. The integrated platform of…”
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Evaluation of Bi as internal standard to minimize matrix effects on the direct determination of Pb in vinegar by graphite furnace atomic absorption spectrometry using Ru permanent modifier with co-injection of Pd/Mg(NO 3) 2 by de Oliveira, Silvana Ruella, Neto, José Anchieta Gomes

“…Bismuth was evaluated as an internal standard for the direct determination of Pb in vinegar by graphite furnace atomic absorption spectrometry using Ru as a…”
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Evaluation of alternate lines of Fe for sequential multi-element determination of Cu, Fe, Mn and Zn in soil extracts by high-resolution continuum source flame atomic absorption spectrometry by Luiz Raposo, Jorge, de Oliveira, Silvana Ruella, Caldas, Naíse Mary, Neto, José Anchieta Gomes

“…The usefulness of the secondary line at 252.744 nm and the approach of side pixel registration were evaluated for the development of a method for sequential…”
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Preparação de eletrodos de hidroxiapatita por diferentes metodologias de síntese e sua aplicação na determinação de fosfito em fertilizantes líquidos = Different synthesis methods for hydroxyapatite-based electrodes and their application in phosphite determination in fertilizing products by Josiane de Lima Souza, Neiva Martin, Silvana Ruella de Oliveira, Cleber Antonio Lindino

“…A determinação de fosfito em fertilizantes líquidos é muito importante para o controle de qualidade destes produtos. Métodos clássicos de análise incluem…”
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Simultaneous determination of Cd and Pb in antibiotics used in sugar-cane fermentation process by GFAAS by Amorim Filho, Volnei Resta, Polito, Wagner Luiz, De Oliveira, Silvana Ruella, Freschi, Gian Paulo Giovanni, Gomes Neto, José Augusto

“…A method has been developed for the simultaneous determination of Cd and Pb in antibiotics used in sugar-cane fermentation by GFAAS. The integrated platform of…”
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Preparação de eletrodos de hidroxiapatita por diferentes metodologias de síntese e sua aplicação na determinação de fosfito em fertilizantes líquidos - DOI: 10.4025/actascitechnol.v30i2.5499 by Josiane de Lima Souza, Neiva Martin, Silvana Ruella de Oliveira, Cleber Antonio Lindino

“…A determinação de fosfito em fertilizantes líquidos é muito importante para o controle de qualidade destes produtos. Métodos clássicos de análise incluem…”
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Different synthesis methods for hydroxyapatite-based electrodes and their application in phosphite determination in fertilizing products/Preparacao de eletrodos de hidroxiapatita por diferentes metodologias de sintese e sua aplicacao na determinacao de fosfito em fertilizantes liquidos by Souza, Josiane de Lima, Martin, Neiva, Ruella de Oliveira, Silvana, Lindino, Cleber Antonio

“…A determinacao de fosfito em fertilizantes liquidos e muito importante para o controle de qualidade destes produtos. Metodos classicos de analise incluem…”
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