Search Results - "S. Luna, Aderval"

A comparison of different strategies in multivariate regression models for the direct determination of Mn, Cr, and Ni in steel samples using laser-induced breakdown spectroscopy by Luna, Aderval S., Gonzaga, Fabiano B., da Rocha, Werickson F.C., Lima, Igor C.A.

“…Laser-induced breakdown spectroscopy (LIBS) analysis was carried out on eleven steel samples to quantify the concentrations of chromium, nickel, and manganese…”
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Enzymatic Technology Application on Coffee Co-products: A Review by Corrêa, Carla L. O., Penha, Edmar M., Freitas-Silva, Otniel, Luna, Aderval S., Gottschalk, Leda M. F.

“…Coffee, one of the world’s most consumed beverages, is recognized for its peculiar aroma and flavor. Depending on the type of coffee processing, different…”
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Operating parameters for bio-oil production in biomass pyrolysis: A review by Guedes, Raquel Escrivani, Luna, Aderval S., Torres, Alexandre Rodrigues

“…[Display omitted] •The interactions of the pyrolysis parameters can influence the pyrolysis mechanisms.•Compositional variations in biomass modify composition…”
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Negligible Expression of Arsenic in Some Commercially Available Brands of Portland Cement and Mineral Trioxide Aggregate by De-Deus, Gustavo, MD, MSc, PhD, de Souza, Maria Claudia Brandão, MS, Sergio Fidel, Rivail Antonio, PhD, Fidel, Sandra Rivera, PhD, de Campos, Reinaldo Calixto, PhD, Luna, Aderval S., PhD

“…Abstract Introduction This study was designed aiming to determine and compare the amount of arsenic in some brands of mineral trioxide aggregate (MTA) and…”
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Optimization of Espresso Spent Ground Coffee Waste Extract Preparation and the Influence of its Chemical Composition as an Eco-friendly Corrosion Inhibitor for Carbon Steel in Acid Medium by Costa, Marina A. J. L. da, Gois, Jefferson S. de, Toaldo, Isabela M., Bauerfeldt, Ana Clara Favilla, Batista, Diego B., Bordignon-Luiz, Marilde T., Lago, Dalva C. B. do, Luna, Aderval S., Senna, Lilian F. de

“…This work proposes the reuse of spent ground coffee waste (SCG) extracts as eco-friendly corrosion inhibitors for carbon steel in acid medium, and the…”
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Multivariate regression models obtained from near-infrared spectroscopy data for prediction of the physical properties of biodiesel and its blends by Cunha, Camilla L., Torres, Alexandre R., Luna, Aderval S.

“…Multivariate calibration based on Partial Least Squares (PLS), Random Forest (RF) and Support Vector Machine (SVM) methods combined with variable selections…”
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Direct solid sample analysis using synchronous fluorescence spectroscopy coupled with chemometric tools for the geographical discrimination of coffee samples by Robert, Jarbas Verissimo, de Gois, Jefferson S., Rocha, Rodrigo Barros, Luna, Aderval S.

“…[Display omitted] •The geographical discrimination of coffee seeds was performed using chemometrics.•Non-linear chemometric methods discriminated coffee via…”
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Does active Crohn's disease have decreased intestinal antioxidant capacity? by S. Pinto, Marco Antonio, Soares-Mota S. Lopes, Márcia, T.O. Bastos, Sálua, L.L. Reigada, Carolina, F. Dantas, Rafael, C.B. Neto, Jaime, S. Luna, Aderval, Madi, Kalil, Nunes, Tiago, Zaltman, Cyrla

“…Oxidative stress is presumed to play an important role in Crohn's disease (CD) pathogenesis. Nevertheless, the evaluation of the intestinal antioxidant…”
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Multivariate optimization of microwave-assisted digestion methods for Cu and Sn determination in antifouling paints using inductively coupled plasma optical emission spectrometry by da Silva, Thaiane Nolasco, Batista, Diego B., Braz, Bernardo Ferreira, Luna, Aderval S., Santelli, Ricardo Erthal, Fernandez, Marcos Antonio dos Santos, de Gois, Jefferson S.

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Chemometric methods for classification of clonal varieties of green coffee using Raman spectroscopy and direct sample analysis by Luna, Aderval S., da Silva, Arnaldo P., da Silva, Camila S., Lima, Igor C.A., de Gois, Jefferson S.

“…•Classification of coffee cultivars was performed by different chemometric methods and Raman spectroscopy.•Direct sample analysis was performed for the…”
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Changes in organic acids, polyphenolic and elemental composition of rosé sparkling wines treated with mannoproteins during over-lees aging by Sartor, Saionara, Toaldo, Isabela M., Panceri, Carolina P., Caliari, Vinícius, Luna, Aderval S., de Gois, Jefferson S., Bordignon-Luiz, Marilde T.

“…The effect of mannoproteins on the evolution of rosé sparkling wines during over-lees aging was investigated on the basis of the chemical characterization of…”
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Pinhão potential and their parts (failures, shells, and almonds) in the elaboration of yogurts containing acai pulp: physicochemical, nutritional, and functional properties, antimicrobial activity, and multi-elemental profile by Sbruzzi Fiebig, Matheus, Regina Mendes Andrade, Dayanne, José de Oliveira Mindelo, Leandro, Santos de Gois, Jefferson, Luna, Aderval S., Afonso Provenzi, Marcel, Luiz Esteves Magalhães, Washington, Miotto, Marilia, Vieira Helm, Cristiane, Schwinden Prudencio, Elane

“…[Display omitted] •Açaí yogurts enriched with pinhão byproducts showed higher protein and fiber contents.•Açaí yogurt with pinhão flour and whole pinhão flour…”
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Rapid characterization of transgenic and non-transgenic soybean oils by chemometric methods using NIR spectroscopy by Luna, Aderval S., da Silva, Arnaldo P., Pinho, Jéssica S.A., Ferré, Joan, Boqué, Ricard

“… Near infrared (NIR) spectroscopy and multivariate classification were applied to discriminate soybean oil samples into non-transgenic and transgenic…”
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Optimized Eco-friendly Sample Preparation Methods for Determining Major and Minor Elements in Cheeses by ICP OES by Melo, Mariana Martins, Ferreira, Fernanda Nunes, Luna, Aderval S., Langone, Marta Antunes Pereira, de Gois, Jefferson Santos

“…This work describes the optimization and validation of sample preparation methods for determining major and minor elements in artisanal Brazilian cheese…”
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An opportunity for acerola pulp (Malpighia emarginata DC) valorization evaluating its performance during the block cryoconcentration by physicochemical, bioactive compounds, HPLC–ESI-MS/MS, and multi-elemental profile analysis by Marafon, Karine, Pereira-Coelho, Marina, da Silva Haas, Isabel Cristina, da Silva Monteiro Wanderley, Bruna Rafaela, de Gois, Jefferson Santos, Vitali, Luciano, Luna, Aderval S., Canella, Maria Helena Machado, Hernández, Eduard, de Mello Castanho Amboni, Renata Dias, Prudencio, Elane Schwinden

“…[Display omitted] •Acerola pulp showed an excelent performance in the block cryoconcentration.•The acerola pulp cryoconcentration increase the total soluble…”
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Forecast of daily PM2.5 concentrations applying artificial neural networks and Holt–Winters models by Ventura, Luciana Maria Baptista, de Oliveira Pinto, Fellipe, Soares, Laiza Molezon, Luna, Aderval S., Gioda, Adriana

“…Fine particulate matter (PM 2.5 ) has been considered one of the most harmful atmospheric pollutants to the health. PM 2.5 has as its main origin vehicular…”
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Dairy powder enriched with a soy extract (Glycine max): Physicochemical and polyphenolic characteristics, physical and rehydration properties and multielement composition by Cunha, Tamires Marques Paes da, Haas, Isabel Cristina da Silva, da Costa, Marina Araujo João Lopes, Luna, Aderval S., de Gois, Jefferson Santos, Amboni, Renata Dias de Mello Castanho, Prudencio, Elane Schwinden

“…[Display omitted] •The increase of soy extract in the dairy compounds increased the polyphenols content.•The dairy compound showed the highest bioactive…”
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Differential contribution of grape peel, pulp, and seed to bioaccessibility of micronutrients and major polyphenolic compounds of red and white grapes through simulated human digestion by Gomes, Trilícia Margarida, Toaldo, Isabela Maia, Haas, Isabel Cristina da Silva, Burin, Vívian Maria, Caliari, Vinicius, Luna, Aderval S., de Gois, Jefferson Santos, Bordignon-Luiz, Marilde T.

“…[Display omitted] •Changes in grape polyphenols and minerals during digestion were studied.•Grape peel, pulp and seeds were characterized by flavanols and…”
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Brazilian cheeses: A survey covering physicochemical characteristics, mineral content, fatty acid profile and volatile compounds by Matera, Juliana, Luna, Aderval S., Batista, Diego B., Pimentel, Tatiana C., Moraes, Jeremias, Kamimura, Bruna A., Ferreira, Marcus Vinicius S., Silva, Hugo L.A., Mathias, Simone P., Esmerino, Erick A., Freitas, Monica Q., Raices, Renata S.L., Quitério, Simone L., Sant'Ana, Anderson S., Silva, Marcia C., Cruz, Adriano G.

“…Chemical characteristics, mineral levels (Ca, Fe, K, Mg, Na, Zn, Cr, Cu, and Mn), fatty acid profile and volatile compounds of typically Brazilian cheeses…”
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Ultrasensitive Determination of Arsenic in Juvenile Eyeshadow by Novel Dispersive Magnetic Solid-Phase Extraction (MSPE) and Flow Injection Analysis - Hydride Generation Atomic Absorption Spectrometry (FIA-HG-AAS) by da Costa, Marina Araujo João Lopes, Benevides, Ana Paula, Cesar, Deborah Vargas, Luna, Aderval S., de Gois, Jefferson S.

“…A new procedure is reported for arsenic preconcentration in juvenile eyeshadow using maghemite nanoparticles (γ-Fe 2 O 3 ) and determination by flow injection…”
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