Search Results - "Sonia, Menezes"

Study of Brazilian asphaltene aggregation by Nuclear Magnetic Resonance spectroscopy by da Silva Oliveira, Emanuele Catarina, Neto, Álvaro Cunha, Júnior, Valdemar Lacerda, de Castro, Eustáquio Vinícius Ribeiro, de Menezes, Sônia Maria Cabral

“…•1H and 13C NMR for discrimination of asphaltenes from three different oils.•Aggregation of asphaltenes by diffusion-ordered NMR spectroscopy…”
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Further conventions for NMR shielding and chemical shifts (IUPAC Recommendations 2008) by Harris, Robin K., Becker, Edwin D., Cabral de Menezes, Sonia M., Granger, Pierre, Hoffman, Roy E., Zilm, Kurt W.

“…IUPAC has published a number of recommendations regarding the reporting of nuclear magnetic resonance (NMR) data, especially chemical shifts. The most recent…”
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Potential and limitations of 13C CP/MAS NMR spectroscopy to determine the lignin content of lignocellulosic feedstock by Cipriano, Daniel F., Chinelatto, Luiz S., Nascimento, Sandra A., Rezende, Camila A., de Menezes, Sonia M.C., Freitas, Jair C.C.

“…Nuclear magnetic resonance (NMR) spectroscopy has been applied worldwide to study the chemical composition of lignocellulosic biomass and to analyse changes…”
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High-fold improvement of assorted post-consumer poly(ethylene terephthalate) (PET) packages hydrolysis using Humicola insolens cutinase as a single biocatalyst by Castro, Aline Machado de, Carniel, Adriano, Stahelin, Diego, Chinelatto Junior, Luiz Silvino, Honorato, Hercilio de Angeli, de Menezes, Sonia Maria Cabral

“…[Display omitted] •Enzymatic poly(ethylene terephthalate) hydrolysis needs yield improvement.•Humicola insolens cutinase is among the most efficient enzymes…”
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A Rational Approach to CO2 Capture by Imidazolium Ionic Liquids: Tuning CO2 Solubility by Cation Alkyl Branching by Corvo, Marta C., Sardinha, João, Casimiro, Teresa, Marin, Graciane, Seferin, Marcus, Einloft, Sandra, Menezes, Sonia C., Dupont, Jairton, Cabrita, Eurico J.

“…Branching at the alkyl side chain of the imidazolium cation in ionic liquids (ILs) was evaluated towards its effect on carbon dioxide (CO2) solubilization at…”
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Solvation of Carbon Dioxide in [C4mim][BF4] and [C4mim][PF6] Ionic Liquids Revealed by High-Pressure NMR Spectroscopy by Corvo, Marta C., Sardinha, João, Menezes, Sonia C., Einloft, Sandra, Seferin, Marcus, Dupont, Jairton, Casimiro, Teresa, Cabrita, Eurico J.

“…Where is CO2? The intermolecular interactions of [C4mim]BF4 and [C4mim]PF6 ionic liquids and CO2 have been determined by high‐pressure NMR spectroscopy in…”
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Diffusion-Ordered Spectroscopy Nuclear Magnetic Resonance as an Alternative Technique to Improve Asphaltene Characterization by Chinelatto Júnior, Luiz Silvino, Cabral de Menezes, Sonia M, Honorato, Hercílio de Angeli, de Oliveira, Marcia Cristina Khalil, Marques, Luiz Carlos do C

“…An asphaltene sample from a light Arabian crude oil was characterized using several analytical techniques, such as thermogravimetric analysis, nuclear magnetic…”
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Imidazolium-based Ionic Liquids Impregnated in Silica and Alumina Supports for CO2 Capture by Polesso, Bárbara Burlini, Duczinski, Rafael, Bernard, Franciele Longaray, Ferrari, Henrique Zucchetti, Luz, Murilo da, Vecchia, Felipe Dalla, Menezes, Sonia Maria Cabral de, Einloft, Sandra

“…Ionic liquids (ILs) physical immobilization in solid materials is a key strategy for developing efficient and low cost CO2 capture processes. In this work, two…”
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1H Time Domain NMR to probe microstructural and mobility changes in Polyamide 11 exposed to H2S scavengers. What type of information can be assessed? by Perez, Martha Gonzales, Lima, Aline Pinde, Moraes, Tiago Bueno, Chaves, Erica Gervasoni, Ruiz, Naira Machado da Silva, dos Santos Teixeira, Sylvia Correa, Honorato, Hercílio de Angeli, de Menezes, Sonia Maria Cabral, deAzevedo, Eduardo Ribeiro

“…•H2S ethoxylated scavenger induces motional hindrance in the amorphous phase of PA11.•Time domain NMR methods are effective for detecting the effect of H2S…”
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Enzyme-catalyzed simultaneous hydrolysis-glycolysis reactions reveals tunability on PET depolymerization products by Castro, Aline Machado de, Carniel, Adriano, Sirelli, Lys, Dias, Marcos Lopes, Menezes, Sonia Maria Cabral de, Chinelatto Junior, Luiz Silvino, Honorato, Hercilio de Angeli

“…[Display omitted] •Enzymatic PET depolymerization is a key technology in a circular economy.•Hydrolysis of PET oligomers is 3-times faster than their…”
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Biocatalytic depolymerization of waste polyester mooring lines from oil and gas offshore platforms made of poly(ethylene terephthalate) (PET) by Castro, Aline M, Carniel, Adriano, Menezes, Sonia M, Chinelatto Júnior, Luiz S, Honorato, Hercílio, Lima, Aline P, Chaves, Erica G

“…BACKGROUND The global concern of plastic pollution in the environment has consistently been emerging in the past years. As one of the main polymers…”
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Characterization of organosulfur compounds in asphalt cement samples by ESI(+)FT-ICR MS and 13C NMR spectroscopy by Porto, Christiane F.C., Pinto, Fernanda E., Souza, Lindamara M., Madeira, Natã C.L., Neto, Álvaro C., de Menezes, Sonia M.C., Chinelatto, Luiz S., Freitas, Carla S., Vaz, Boniek G., Lacerda, Valdemar, Romão, Wanderson

“…[Display omitted] •The samples were characterized by ESI(+)FT-ICR MS and 13C NMR spectroscopy.•Reactive (sulfide), nonreactive (thiophene), and mercaptan…”
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Low-field nuclear magnetic resonance for petroleum distillate characterization by Barbosa, Lúcio L., Kock, Flávio V.C., Almeida, Vinícius M.D.L., Menezes, Sônia M.C., Castro, Eustáquio V.R.

“…Low field nuclear magnetic resonance (LF-NMR) has several applications in the oilfield industry such as in predicting the viscosity and evaluating porosity,…”
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Further Conventions for NMR Shielding and Chemical Shifts (IUPAC Recommendations 2008) by Harris, Robin K., Becker, Edwin D., De Menezes, Sonia M. Cabral, Granger, Pierre, Hoffman, Roy E., Zilm, Kurt W.

“…IUPAC has published a number of recommendations regarding the reporting of nuclear magnetic resonance (NMR) data, especially chemical shifts. The most recent…”
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Quality of informed consent in cancer clinical trials in India: A cross-sectional survey by Gota, Vikram, Nookala, Manjunath, Yadav, Akanksha, Menezes, Sonia, Kannan, Sadhana, Ali, Raghib

“…Background. An 'informed consent' is a legal and ethical requirement for research involving human subjects. Studies assessing the validity of informed consent…”
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THE REMEMBRANCE OF THE STREET FAIR IN JOSÉ GONÇALVES DISTRICT IN VITÓRIA DA CONQUISTA – BA by Sampaio, Andrecksa, Menezes, Sônia

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NMR Nomenclature: Nuclear Spin Properties and Conventions for Chemical Shifts: IUPAC Recommendations 2001 by Harris, Robin K, Becker, Edwin D, Cabral de Menezes, Sonia M, Goodfellow, Robin, Granger, Pierre

“…A unified scale is recommended for reporting the NMR chemical shifts of all nuclei relative to the 1H resonance of tetramethylsilane. The unified scale is…”
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Further conventions for NMR shielding and chemical shifts IUPAC recommendations 2008 by Harris, Robin K., Becker, Edwin D., Cabral De Menezes, Sonia M., Granger, Pierre, Hoffman, Roy E., Zilm, Kurt W.

“…IUPAC has published a number of recommendations regarding the reporting of nuclear magnetic resonance (NMR) data, especially chemical shifts. The most recent…”
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Chemical degradation of reinforced epoxy‐cement composites under CO2‐rich environments by Schütz, Marta K., Baldissera, Alessandra F., Coteskvisk, Patrícia M., Vecchia, Felipe Dalla, Menezes, Sonia C., Miranda, Cristiane R., Einloft, Sandra

“…Long‐term wellbore integrity is crucial to prevent leakage of CO2 and to ensure performance and safety of carbon geologic storage. One of the concerns is the…”
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Mechanistic insights of CO2-coke reaction during the regeneration step of the fluid cracking catalyst by TAVARES DOS SANTOS, Luciana, SANTOS, Fabiana M, SILVA, Raphael S, GOMES, Thiana S, ESTEVES, Pierre M, PIMENTA, Ricardo D. M, MENEZES, Sonia M. C, CHAMBERLAIN, Oscar R, LAM, Yiu L, MACIEL PEREIRA, Marcelo

“…The regeneration of a coked fluid catalytic cracking (FCC) catalyst under O2/He and CO2/He atmospheres from room temperature up to 1000 deg C was studied using…”
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