Search Results - "Borges, Daniel L. G"

Bromine isotope ratio measurements in seawater by multi-collector inductively coupled plasma-mass spectrometry with a conventional sample introduction system by de Gois, Jefferson S, Vallelonga, Paul, Spolaor, Andrea, Devulder, Veerle, Borges, Daniel L. G, Vanhaecke, Frank

“…A simple and accurate methodology for Br isotope ratio measurements in seawater by multi-collector inductively coupled plasma-mass spectrometry (MC-ICP-MS)…”
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Assessment of the Halogen Content of Brazilian Inhalable Particulate Matter (PM10) Using High Resolution Molecular Absorption Spectrometry and Electrothermal Vaporization Inductively Coupled Plasma Mass Spectrometry, with Direct Solid Sample Analysis by de Gois, Jefferson S, Almeida, Tarcisio S, Alves, Jeferson C, Araujo, Rennan G. O, Borges, Daniel L. G

“…Halogens in the atmosphere play an important role in climate change and also represent a potential health hazard. However, quantification of halogens is not a…”
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Determination of rare earth elements in dust deposited on tree leaves from Greater Cairo using inductively coupled plasma mass spectrometry by Shaltout, Abdallah A., Khoder, M.I., El-Abssawy, A.A., Hassan, S.K., Borges, Daniel L.G.

“…This work aims at monitoring the rare earth elements (REEs) and Th in dust deposited on tree leaves collected inside and outside Greater Cairo (GC), Egypt…”
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Progress in direct solid sampling analysis using line source and high-resolution continuum source electrothermal atomic absorption spectrometry by Welz, Bernhard, Vale, Maria Goreti R, Borges, Daniel L. G, Heitmann, Uwe

“…The literature about direct solid sample analysis of the past 10-15 years using electrothermal atomic absorption spectrometry has been reviewed. It was found…”
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Simultaneous determination of bromine and chlorine in coal using electrothermal vaporization inductively coupled plasma mass spectrometry and direct solid sample analysis by de Gois, Jefferson S., Pereira, Éderson R., Welz, Bernhard, Borges, Daniel L.G.

“…[Display omitted] •Direct analysis of coal samples is proposed for the first time for halogens determination using ICP-MS.•Simultaneous determination of Br and…”
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Trace element status of activated charcoals and carbon black: Influence on thermal stability of modified lyocell solutions by Wendler, Frank, Lepri, Fabio G, Borges, Daniel L.G, Araujo, Rennan G.O, Welz, Bernhard, Meister, Frank

“…The influence of surface-active additives on the thermal stability of cellulose/N-methylmorpholine-N-oxide monohydrate solutions were investigated. The…”
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Investigation of chemical modifiers for the direct determination of arsenic in fish oil using high-resolution continuum source graphite furnace atomic absorption spectrometry by Pereira, Éderson R., de Almeida, Tarcísio S., Borges, Daniel L.G., Carasek, Eduardo, Welz, Bernhard, Feldmann, Jörg, Campo Menoyo, Javier del

“…High-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GF AAS) has been applied for the development of a method for the…”
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Ambient Mass Spectrometric Detection of Organometallic Compounds Using Direct Analysis in Real Time by Borges, Daniel L. G, Sturgeon, Ralph E, Welz, Bernhard, Curtius, Adilson J, Mester, Zoltán

“…The present work describes the mass spectrometric detection of organometallic compounds following their atmospheric pressure ionization using a commercial…”
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Determination of heavy metals in activated charcoals and carbon black for Lyocell fiber production using direct solid sampling high-resolution continuum source graphite furnace atomic absorption and inductively coupled plasma optical emission spectrometry by Lepri, Fábio G., Borges, Daniel L.G., Araujo, Rennan G.O., Welz, Bernhard, Wendler, Frank, Krieg, Marcus, Becker-Ross, Helmut

“…Reactivity and concentration of additives, especially activated charcoal, employed for the Lyocell process, enhance the complexity of reactions in cellulose/…”
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Single drop micro-extraction with O, O-diethyl dithiophosphate for the determination of lead by electrothermal atomic absorption spectrometry by Maltez, Heloísa França, Borges, Daniel L.G., Carasek, Eduardo, Welz, Bernhard, Curtius, Adilson J.

“…Lead was extracted as the O, O-diethyldithiophosphate (DDTP) complex from aqueous solution into a drop of CHCl 3 immersed in the solution. Unlike previously…”
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Determination of mercury in biological samples by cold vapor atomic absorption spectrometry following cloud point extraction with salt-induced phase separation by Dittert, Ingrid M., Maranhão, Tatiane A., Borges, Daniel L.G., Vieira, Mariana A., Welz, Bernhard, Curtius, Adilson J.

“…Method development for the pre-concentration of mercury in human hair, dogfish liver and dogfish muscle samples using cloud-point extraction and cold vapor…”
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Bioactive potential of Vitis labrusca L. grape juices from the Southern Region of Brazil: Phenolic and elemental composition and effect on lipid peroxidation in healthy subjects by Toaldo, Isabela Maia, Cruz, Fernanda Alves, Alves, Tatiana de Lima, de Gois, Jefferson Santos, Borges, Daniel L.G., Cunha, Heloisa Pamplona, da Silva, Edson Luiz, Bordignon-Luiz, Marilde T.

“…•The phenolic and elemental composition of V. labrusca grape juices was identified.•Effect of red grape juice consumption on lipid peroxidation was assessed in…”
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Presence of other rare earth metals in gadolinium-based contrast agents by Veiga, Marlei, Mattiazzi, Patricia, de Gois, Jefferson S., Nascimento, Paulo C., Borges, Daniel L.G., Bohrer, Denise

“…Gadolinium-based contrast agents (GBCA) are widely used to enhance tissue contrast during magnetic resonance imaging (MRI) procedures. However, free Gadolinium…”
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Effect of grape seeds on the polyphenol bioactive content and elemental composition by ICP-MS of grape juices from Vitis labrusca L by Toaldo, Isabela Maia, Fogolari, Odinei, Pimentel, Gabriela Cadore, de Gois, Jefferson Santos, Borges, Daniel L.G., Caliari, Vinícius, Bordignon-Luiz, Marilde

“…The effect of grape seeds on the bioactive content and elemental composition of grape juices from Vitis labrusca L. varieties Concord, Isabel and Bordo, widely…”
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Dielectric barrier discharge-assisted determination of methylmercury in particulate matter by atomic absorption spectrometry by Coelho Junior, Gilberto da S, Fontana, Klaiani B, Maranhão, Tatiane A, Borges, Daniel L G

“…Particulate matter (PM) impregnated with methlymercury (MeHg ) was analyzed using atomic absorption spectrometry coupled to a customized dielectric barrier…”
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Effect of dehydration process on mineral content, phenolic compounds and antioxidant activity of Cabernet Sauvignon and Merlot grapes by Panceri, Carolina P., Gomes, Trilicia M., De Gois, Jefferson S., Borges, Daniel L.G., Bordignon-Luiz, Marilde T.

“…Cabernet Sauvignon and Merlot grapes were dehydrated under controlled conditions (7°C and 35% relative humidity) and the effect of this process on the mineral…”
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Assessment of palladium nanoparticles as chemical modifier for lead determination in leached extracts from petroleum waste by high-resolution continuum source atomic absorption spectrometry by Coêlho, Karine S., Chaves, Eduardo S., Borges, Daniel L. G., Krzyzaniak, Sindy R., Rocha, Rafael C. C., Saint' Pierre, Tatiana D., Frescura Bascuñan, Vera Lúcia Azzolin

“…Palladium nanoparticles were evaluated as a potential chemical modifier for lead determination by high-resolution continuum source graphite furnace atomic…”
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Silicon determination via a SiO rotational line using high-resolution graphite furnace molecular absorption spectrometry: A straightforward approach for the analysis of solid samples prepared as suspensions by Enders, Michele S.P., Coelho Junior, Gilberto S., Pires, Leticia Z., Borges, Daniel L.G.

“…High-resolution graphite furnace molecular absorption spectrometry combined with samples prepared as suspensions were used for the quantification of Si in…”
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Direct analysis of particulate matter (PM10) for the determination of Be, Cd and Pb using high resolution-continuum source electrothermal atomic absorption spectrometry: Assessment of the potential correlation between analyte content and meteorological parameters by Almeida, Tarcísio S., Brancher, Marlon, de Melo Lisboa, Henrique, Franco, Davide, Maranhão, Tatiane A., Borges, Daniel L.G.

“…Atmospheric particulate matter (APM) monitoring is a fundamental tool for air pollution management and control. However, the limited amount of an APM sample…”
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Phytochemicals, Monosaccharides and Elemental Composition of the Non-Pomace Constituent of Organic and Conventional Grape Juices (Vitis labrusca L.): Effect of Drying on the Bioactive Content by Haas, Isabel Cristina da Silva, Toaldo, Isabela Maia, de Gois, Jefferson Santos, Borges, Daniel L. G., Petkowicz, Carmen Lúcia de Oliveira, Bordignon-Luiz, Marilde T.

“…Grape and grape derivatives contain a variety of antioxidants that have gain increasing interest for functional foods applications. The chemical composition of…”
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