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Validation of a PLS-DA Model for biomarker discovery in Elaeis guineensis leaves related to fatal yellowing using UHPLC-MS/MS analysis. Author(s): RODRIGUES NETO, J. C.; CORREIA, M. V.; SOUTO, A. L.; RIBEIRO, J. A. de A.; RODRIGUES, C. M.; ABDELNUR, P. V. Repository: BDPA Publication year: 2017
Detecção e caracterização de genótipos de sorgo sob estresse hídrico usando PLS-DA, fusão de dados atômico-moleculares e seleção de variáveis. Author(s): ASSIS, C.; SIMEONE, M. L. F.; PIMENTEL, M. A. G.; SENA, M. M. Repository: BDPA Publication year: 2020
Brazilian Canephora coffee evaluation using NIR spectroscopy and discriminant chemometric techniques. Author(s): BAQUETA, M. R.; ALVES, E. A.; VALDERRAMA, P.; PALLONE, J. A. L. High-quality Brazilian Canephora coffees are rising to the level of specialty coffees in the face of a new industry perception. In this framework, spectra from 527 coffees were analyzed in the near-in... ... Repository: BDPA Publication year: 2023
Caracterização da matéria orgânica do solo por espectroscopia de ressonância magnética nuclear do 13C para a avaliação de serviços ecossistêmicos. Author(s): REBELLO, C. M.; NOVOTNY, E. H.; TURETTA, A. P. D. A caracterização da matéria orgânica é essencial para compreensão da sua dinâmica nos sistemas agrícolas, sendo, portanto, peça fundamental na definição de manejos agrícolas sustentáveis. As frações h... ... Repository: BDPA Publication year: 2017
1H NMR and UPLC-HRMS-based metabolomic approach for evaluation of the grape maturity and maceration time of Touriga Nacional wines and their correlation with the chemical stability. Author(s): ALVES FILHO, E. G.; SILVA, L. M. A. e; LIMA, T. O.; RIBEIRO, P. R. V.; VIDAL, C. S.; CARVALHO, E. S. S.; DRUZIAN, J. I.; BIASOTO, A. C. T.; CANUTO, K. M. Touriga Nacional is a well-adapted Portuguese grape variety in São Francisco River Valley (northeastern Brazil). Nevertheless, it has only been indicated to short-term consumption because of the lack... ... Repository: BDPA Publication year: 2022
Authentication and discrimination of new Brazilian Canephora coffees with geographical indication using a miniaturized near-infrared spectrometer. Author(s): BAQUETA, M. R.; MARINI, F.; ROCHA, R. B.; VALDERRAMA, P.; PALLONE, J. A. L. New Brazilian Canephora coffees (Conilon and Robusta) of high added value from specific origins have been protected by geographical indication to guarantee their origin and quality. Recently, benchtop... ... Repository: BDPA Publication year: 2023
Experimento didático de quimiometria para classificação de óleos vegetais comestíveis por espectroscopia no infravermelho médio combinado com análise discriminante por mínimos quadrados parciais: um tutorial, parte v. Author(s): SANTANA, F. B. de; SOUZA, A. M. de; ALMEIDA, M. R.; BREITKREITZ, M. C.; FILGUEIRAS, P. R.; SENA, M. M.; POPPI, R. J. A teaching experiment on supervised pattern recognition in chemometrics was proposed in this tutorial to introduce partial least squares discriminant analysis (PLS-DA). A new approach of the experimen... ... Repository: BDPA Publication year: 2020
Proposition of classification models for the direct evaluation of the quality of cattle and sheep leathers using laser-induced breakdown spectroscopy (LIBS) analysis. Author(s): NEIVA, A. M.; JACINTO, M. A. C.; ALENCAR, M. M. de; ESTEVES, S. N.; PEREIRA FILHO, E. R. This study proposes classification models for the prediction of the quality parameters of cattle and sheep leathers. In total, 375 leather samples were directly analyzed by laser-induced breakdown spe... ... Repository: BDPA Publication year: 2016
Fruit quality parameters and volatile compounds from 'Palmer' mangoes with internal breakdown. Author(s): OLDONI, F. C. A.; FLORENCIO, C.; BERTAZZO, G. B.; GRIZOTTO, P. A.; BOGUSZ JUNIOR, S.; CARNEIRO, R. L.; COLNAGO, L. A.; FERREIRA, M. D. The internal breakdown (IB) is a premature and uneven mango pulp ripening physiological disorder that is noticed only when the fruit is sliced for consumption. Thus, there is a demand for analytical m... ... Repository: BDPA Publication year: 2022
Espectroscopia no infravermelho próximo como método alternativo para detecção de Sitophilus zeamais em milho. Author(s): SOUZA, E. de A.; SIMEONE, M. L. F.; MATOS, M. V. R.; MAMEDES, A. de S.; SOUZA, E. G. de; TROMBETE, F. M.; PIMENTEL, M. A. G. O trabalho explora a aplicação da espectroscopia de infravermelho próximo (NIRS) na detecção de insetos em grãos de milho, com foco em infestações causadas por Sitophilus zeamais. O estudo usou grãos... ... Repository: BDPA Publication year: 2023

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