Natália A. Portela

Determination of Saturates, Aromatics, and Polars in Crude Oil by 13C NMR and Support Vector Regression with Variable Selection by Genetic Algorithm

Ronei J. Poppi, Paulo R. Filgueiras, Wanderson Romão, 2016 .

Determination of physicochemical properties of petroleum using 1H NMR spectroscopy combined with multivariate calibration

E. R. Castro, W. Romão, P. Filgueiras, 2019, Fuel.

Quantification of biodiesel in petroleum diesel by 1H NMR: Evaluation of univariate and multivariate approaches

E. R. Castro, P. Filgueiras, Natália A. Portela, 2016 .

Heavy Metal Stress and Molecular Approaches in Plants

A. C. Ramos, A. Bertolazi, F. Eutrópio, 2016 .

Multivariate data analysis applied in the evaluation of crude oil blends

Cristina M. S. Sad, P. Filgueiras, Natália A. Portela, 2019, Fuel.

Spectroscopic evaluation of commercial H2S scavengers

Cristina M. S. Sad, M. K. Morigaki, P. Filgueiras, 2018 .

Identification of petroleum profiles by infrared spectroscopy and chemometrics

W. Romão, Cristina M. S. Sad, P. Filgueiras, 2019, Fuel.