Search Results - "Scarminio, Ieda S"

Evaluation of the photodynamic activity of xanthene dyes on Artemia salina described by chemometric approaches by Pellosi, Diogo S, Batistela, Vagner R, Souza, Vagner R de, Scarminio, Ieda S, Caetano, Wilker, Hioka, Noboru

“…The development of drugs for photodynamic therapy (PDT) is an important area of research due to their growing use in medical applications. Therefore, it is…”
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Special issue – XI Brazilian Chemometrics Workshop Preface by Ferreira, Sergio L.C., Scarminio, Ieda S., Veras, Germano, Bezerra, Marcos A., da Silva Junior, Jucelino B.

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Chemometric-assisted construction of a biosensing device to measure chlorogenic acid content in brewed coffee beverages to discriminate quality by Salamanca-Neto, Carlos A.R., Marcheafave, Gustavo G., Scremin, Jessica, Barbosa, Eduardo C.M., Camargo, Pedro H.C., Dekker, Robert F.H., Scarminio, Ieda S., Barbosa-Dekker, Aneli M., Sartori, Elen R.

“…•A new biosensing architecture was developed using statistical mixture design.•The biosensor was applied in the determination of chlorogenic acid.•The…”
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Seasonal changes and solvent effects on fractionated functional food component yields from Mikania laevigata leaves by Passari, Livia M.Z.G., Scarminio, Ieda S., Marcheafave, Gustavo G., Bruns, Roy E.

“…•Crude yields are correlated with coumarin absorbances in summer, winter and spring.•Organic and polar fraction yields correlate with coumarin UV–vis…”
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Sequential mixture design optimization for divergent metabolite analysis: Enriched carbon dioxide effects on Coffea arabica L. leaves and buds by Tormena, Cláudia D., Marcheafave, Gustavo G., Rakocevic, Miroslava, Bruns, Roy E., Scarminio, Ieda S.

“…The first metabolic study of the impact of elevated CO2 (590 µL CO2 L−1) levels on the leaves and buds of Coffea arabica L. plants is reported. A novel…”
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Factorial design fingerprint discrimination of Coffea arabica beans under elevated carbon dioxide and limited water conditions by Marcheafave, Gustavo G., Pauli, Elis Daiane, Tormena, Cláudia D., Ortiz, Maria Carolina V., de Almeida, Andressa G., Rakocevic, Miroslava, Bruns, Roy E., Scarminio, Ieda S.

“…Coffee is one of the most important commodities, showing sensitivity to environmental variations. The main effects and their interaction for two levels of…”
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A tribute to Professor Ronei J. Poppi, a pioneer of multivariate calibration in South America and a prolific mentor of chemometricians in Brazil by Sena, Marcelo M., Braga, Jez W.B., Scarminio, Ieda S., Bruns, Roy E.

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Antibacterial activity of Limonium brasiliense (Baicuru) against multidrug-resistant bacteria using a statistical mixture design by Blainski, Andressa, Gionco, Barbara, Oliveira, Admilton G., Andrade, Galdino, Scarminio, Ieda S., Silva, Denise B., Lopes, Norberto P., Mello, João C.P.

“…Limonium brasiliense (Boiss.) Kuntze (Plumbaginaceae) is commonly known as “baicuru” or “guaicuru” and preparations of its dried rhizomes have been popularly…”
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Spectroscopic and Chromatographic Fingerprints for Discrimination of Specialty and Traditional Coffees by Integrated Chemometric Methods by Abreu, Marcela B., Marcheafave, Gustavo G., Bruns, Roy E., Scarminio, Ieda S., Zeraik, Maria L.

“…Classification of specialty coffees is based mainly on sensory qualities that demand high training and onerous analysis of baristas. The consumption of…”
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Exploratory Analysis of Simultaneous Degradation of Anthocyanins in the Calyces of Flowers of the Hibiscus sabdariffa Species by PARAFAC Model by MARÇO, Paulo H., LEVI, Maria Alice B., SCARMINIO, Ieda S., POPPI, Ronei J., TREVISAN, Marcello G.

“…A three-way resolution method based on PARAFAC model was applied for the UV-Vis spectra to study the simultaneous degradation of anthocyanins extracted from…”
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Differentiation of Species of the Baccharis Genus by HPLC and Chemometric Methods by Audrey A. S. G. LONNI, SCARMINIO, Ieda S., SILVA, Lucas M. C., FERREIRA, Dalva T.

“…Phytochemical investigation of the aerial parts of three Baccharis species (Asteraceae family) was performed using HPLC and chemometric methods, with the…”
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Mixture designs for exploring class diversity and metabolite fingerprinting: An efficient column chromatographic strategy by Soares, Daniely Xavier, Scarminio, Ieda S., Bruns, Roy Edward

“…[Display omitted] ► Ternary mixtures are efficient for studying metabolite diversity. ► Pure solvents are best to investigate the same class of metabolites. ►…”
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Optimization of solvent mixtures for extraction from bark of Schinus terebinthifolius by a statistical mixture-design technique and development of a UV-Vis spectrophotometric method for analysis of total polyphenols in the extract by DiCiaula, Maria Cristina, Lopes, Gisely C., Scarminio, Ieda S., de Mello, João Carlos P.

“…A statistical mixture-design technique was used to study the effects of different solvents and their mixtures on the yield, total polyphenol content, and…”
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Numerical Taxonomy Characterization of Baccharis Genus Species by Ultraviolet-Visible Spectrophotometry by Audrey A. S. G. LONNI, SCARMINIO, Ieda S., SILVA, Lucas M. C., FERREIRA, Dalva T.

“…Numerical taxonomy characterization of Baccharis genus species was performed using ultraviolet-visible spectrophotometry. The aim was to present a more…”
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Comparison of multivariate calibration methods to determine simultaneously mebendazole–cambendazole and mebendazole–thiabendazole in pharmaceutical preparations by UV–visible spectrophotometry by Andrade, Suely R.C, Scarminio, Ieda S, Nery, Marlene M.F, de Oliveira, Aline C

“…Three multivariate calibration methods, Principal Component Regression (PCR), the K-matrix method and Q-mode factor analysis followed by varimax and Imbrie's…”
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Antinociceptive and acute toxicity evaluation of Vernonia condensata Baker leaves extracted with different solvents and their mixtures by Risso, Wagner E, Scarminio, Ieda S, Moreira, Estefania G

“…Extract of Vernonia condensata (Asteraceae = Compositae) leaves has different uses in Brazilian folk medicine, which includes analgesic and antiinflamatory…”
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Mixture–mixture design for the fingerprint optimization of chromatographic mobile phases and extraction solutions for Camellia sinensis by Borges, Cleber N., Bruns, Roy E., Almeida, Aline A., Scarminio, Ieda S.

“…A composite simplex centroid–simplex centroid mixture design is proposed for simultaneously optimizing two mixture systems. The complementary model is formed…”
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Comparison of β-1,3-glucanase production by Botryosphaeria rhodina MAMB-05 and Trichoderma harzianum Rifai and its optimization using a statistical mixture-design by Giese, Ellen C., Dekker, Robert F.H., Scarminio, Ieda S., Barbosa, Aneli M., da Silva, Roberto

“…Botryosphaeria rhodina MAMB-05 produced β-1,3-glucanases and botryosphaeran when grown on glucose, while Trichoderma harzianum Rifai only produced the enzyme…”
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Interpretation of Seasonal Variation of Metals and Abiotic Properties in a Tropical Lake Using Multivariate Analysis and MINTEQA2 Program by BARRETO, Wagner J., RIBEIRO, Maira R., SOLCI, Maria C., SCARMINIO, Ieda S., NOZAKI, Jorge, OLIVEIRA, Elisabeth de, BARRETO, Sônia R. G.

“…The hydrological cycle of Lake Ipê and the principal parameters that could affect its abiotic parameters and its metal (Fe, Mn, and Cd) concentrations were…”
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Emission of polycyclic aromatic hydrocarbons from diesel engine in a bus station, Londrina, Brazil by Tavares, Moacir, Pinto, Jurandir P., Souza, Alexandre L., Scarmínio, Ieda S., Cristina Solci, Maria

“…The concentrations of vapor phase polycyclic aromatic hydrocarbons (PAHs) were measured at the Central Bus Station of Londrina, where only diesel-powered…”
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