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Pulse sequence induced variability combined with multivariate analysis as a potential tool for 13C solid-state NMR signals separation, quantification, and classification. Author(s): NOVOTNY, E. H.; GARCIA, R. H. S.; AZEVEDO, E. R. de Multivariate Curve Resolution (MCR) is a multivariate analysis procedure commonly used to analyze spectroscopic data providing the number of components coexisting in a chemical system, the pure spectr... ... Repository: BDPA Publication year: 2023
Multivariate analysis of images in spectrophotometric methods: quantification of soil organic matter. Author(s): MORAIS, P. A. de O.; SOUZA, D. M. de; MADARI, B. E. Soil organic matter (SOM) is usually quantified by Walkley-Black titration method or using a spectrophotometric method. This study proposes an alternative method for quantification of SOM using digita... ... Repository: BDPA Publication year: 2021
High enhancement of macro and micronutrients quantification in Cajuína by ICP OES using ultrasound and multivariate analysis. Author(s): COELHO, T. L. S.; SILVA, D. S. N.; SOUZA FILHO, L. B. DE; ROCHA, J. M.; MARCANO DE HIGUERA, J.; SÁ, I. P. DE; GAMELA, R. R.; NOGUEIRA, A. R. de A.; LOPES JÚNIOR, C. A.; VIEIRA, E. C. A fast, safe, simple, and low-cost analytical method was developed for the determination of macro and microelements in Cajuína samples from Brazil combining UAE and ICP OES. A multiplexed approach usi... ... Repository: BDPA Publication year: 2023
Elemental analysis and protein quantification of raw natural rubber of IAC series 400 clones. Author(s): MARTINS, M. A.; MCMAHAN, C. M.; GONÇALVES, P. S.; MATTOSO, L. H. C. Repository: BDPA Publication year: 2007
Fast quantitative determination of phenolic compounds in grape juice by UPLC-MS: method validation and characterization of juices produced with diferent grape varieties. Author(s): CANEDO-REIS, N. A. P.; GUERRA, C. C.; SILVA, L. F. da; WETZSTEIN, L. C.; JUNGES, C. H.; FERRÃO, M. F.; BERGOLD, A. M. Abstract A fast method for the simultaneous quantitative determination of 16 phenolic compounds in grape juice by UPLC-MS was developed and validated. Run time was 4.5!min and the method proved to be... ... Repository: BDPA Publication year: 2020
Fluorometric quantification of green fluorescent protein in tobacco leaf extracts. Author(s): ROBIC, G.; LACORTE, C. C.; MIRANDA, E. A. Repository: BDPA Publication year: 2009
Validation of a chromatographic method to routine analysis of transresveratrol and quercetin in red wines. Author(s): SILVA, L. F. da; GUERRA, C. C.; CZERMAINSKI, A. B. C.; FERRARI, L.; BERGOLD, A. M. The objective of this work was to validate a fast method with low-solvent use, for the analysis of trans-resveratrol and quercetin in red wines. The wines were prepared, using a classical method, from... ... Repository: BDPA Publication year: 2017
L-Asparaginase type II from Fusarium proliferatum: heterologous expression and in silico analysis. Author(s): CARDOSO, S. L.; SOUZA, P. M.; RODRIGUES, K.; MOTA, I. de S.; FERREIRA FILHO, E.; FAVARO, L. C. de L.; ARAUJO, F. S.; HOMEM-DE-MELLO, M.; PESSOA, A.; SILVEIRA, D.; BAZZO, Y. M. F.; MAGALHÃES, P. O. The search for new drug-producing microorganisms is one of the most promising situations in current world scientific scenarios. The use of molecular biology as well as the cloning of protein and compo... ... Repository: BDPA Publication year: 2023
Soil organic carbon determination using NIRS: evaluation of dichromate oxidation and dry combustion analysis as reference methods in multivariate calibration. Author(s): BELTRAME, K. K.; SOUZA, A. M. de; COELHO, M. R.; WINKLER, T. C. B.; SOUZA, W. E.; VALDERRAMA, P. Dichromate oxidation and dry combustion analysis were evaluated as reference methods to determine organic carbon in Brazilian soils using near infrared spectroscopy (NIRS) as an alternative. The main... ... Repository: BDPA Publication year: 2016
Simultaneous analysis of sugars and organic acids in wine and grape juices by HPLC: Method validation and characterization of products from northeast Brazil. Author(s): COELHO, E. M.; PADILHA, C. V. da S.; MISKINIS, G. A.; SÁ, A. G. B. de; PEREIRA, G. E.; AZEVEDO, L. C. de; LIMA, M. dos S. Organic acids and sugars are related to the chemical balance of wines and grape juices, besides exerting a strong influence on the taste balance and sensorial acceptance by consumers. The aim of this... ... Repository: BDPA Publication year: 2018

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