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List of works by Ronei J. Poppi

1H-NMR, 1H-NMR T2-edited, and 2D-NMR in bipolar disorder metabolic profiling

scientific article

A portable SERS method for the determination of uric acid using a paper-based substrate and multivariate curve resolution.

scientific article published on 4 February 2016

A survey of adulterants used to cut cocaine in samples seized in the Espírito Santo State by GC-MS allied to chemometric tools.

scientific article

Analysis of pharmaceutical pellets: an approach using near-infrared chemical imaging

scientific article published on 27 August 2011

Application of Kohonen neural network for evaluation of the contamination of Brazilian breast milk with polychlorinated biphenyls.

scientific article published on 28 May 2013

Application of artificial neural networks to the classification of soils from São Paulo State using near-infrared spectroscopy

scientific article published on 01 December 2001

Application of genetic algorithm for selection of variables for the BLLS method applied to determination of pesticides and metabolites in wine

scientific article published on 19 December 2006

Application of near infrared spectroscopy and multivariate control charts for monitoring biodiesel blends.

scientific article published on 12 November 2008

Artificial neural networks applied to potentiometric acid–base flow injection titrations

scholarly article by Cleidiane G Zampronio et al published April 2002 in Chemometrics and Intelligent Laboratory Systems

Assessment of nucleosides as putative tumor biomarkers in prostate cancer screening by CE-UV

scientific article published on 25 March 2017

Assessment of robustness on analysis using headspace solid-phase microextraction and comprehensive two-dimensional gas chromatography through experimental designs

scientific article published on 28 May 2014

Bilinear least squares (BLLS) and molecular fluorescence in the quantification of the propranolol enantiomers

scientific article published on 19 June 2008

Biodiesel content determination in diesel fuel blends using near infrared (NIR) spectroscopy and support vector machines (SVM).

scientific article published on 23 November 2012

Characterization of semi-solid Self-Emulsifying Drug Delivery Systems (SEDDS) of atorvastatin calcium by Raman image spectroscopy and chemometrics

scientific article published on 06 April 2012

Characterization of sildenafil citrate tablets of different sources by near infrared chemical imaging and chemometric tools

scientific article published on 06 August 2013

Characterization of the aroma profile of novel Brazilian wines by solid-phase microextraction using polymeric ionic liquid sorbent coatings

scientific article published on 28 May 2018

Chemometric alternatives for resolution of classical analytical problems Spectrophotometric determination of lanthanide mixtures

scientific article published on 01 October 1997

Chemotaxonomic study of Chrysobalanus icaco Linnaeus (Chrysobalanaceae) using ultra-high performance liquid chromatography coupled with diode array detection fingerprint in combination with multivariate analysis.

scientific article published on 29 March 2017

Classification of Amazonian rosewood essential oil by Raman spectroscopy and PLS-DA with reliability estimation.

scientific article

Classification of diesel pool refinery streams through near infrared spectroscopy and support vector machines using C-SVC and ν-SVC.

scientific article published on 15 August 2013

Combining standard addition method and second-order advantage for direct determination of salicylate in undiluted human plasma by spectrofluorimetry.

scientific article published on 19 September 2005

Comparison of different chemometric methods to extract chemical and physical information from Raman images of homogeneous and heterogeneous semi-solid pharmaceutical formulations

scientific article published on 25 September 2018

Comparison of macro and micro Raman measurement for reliable quantitative analysis of pharmaceutical polymorphs

scientific article published on 12 May 2018

Correlation of quantitative sensorial descriptors and chromatographic signals of beer using multivariate calibration strategies.

scientific article published on 29 March 2012

Coupling of the ring-oven-based preconcentration technique and surface-enhanced Raman spectroscopy: Application for the determination of purine bases in DNA.

scientific article published on 17 August 2017

Crab Spider Lures Prey In Flowerless Neighborhoods.

scientific article published on 23 August 2017

Detection of explosives on the surface of banknotes by Raman hyperspectral imaging and independent component analysis

scientific article published on 24 December 2014

Detection of malathion in food peels by surface-enhanced Raman imaging spectroscopy and multivariate curve resolution.

scientific article

Determination of alcohol content in beverages using short-wave near-infrared spectroscopy and temperature correction by transfer calibration procedures

scientific article published on 6 August 2003

Determination of amylose content in starch using Raman spectroscopy and multivariate calibration analysis.

scientific article published on 6 March 2010

Determination of apparent reducing sugars, moisture and acidity in honey by attenuated total reflectance-Fourier transform infrared spectrometry

scientific article published on 28 September 2006

Determination of disease biomarkers in Eucalyptus by comprehensive two-dimensional gas chromatography and multivariate data analysis

scientific article

Determination of fragrance content in perfume by Raman spectroscopy and multivariate calibration

scientific article published on 22 December 2015

Determination of pesticides and metabolites in wine by high performance liquid chromatography and second-order calibration methods

scientific article published on 15 March 2007

Determination of propranolol enantiomers in plasma and urine by spectrofluorimetry and second-order standard addition method.

scientific article published on 15 August 2009

Development of a potentiometric flow cell with a stainless steel electrode for pH measurements. Determination of acid mixtures using flow injection analysis.

scientific article published in May 2000

Differentiation of cocoa nibs from distinct origins using comprehensive two-dimensional gas chromatography and multivariate analysis.

scientific article published in November 2016

Digital Protocol for Chemical Analysis at Ultralow Concentrations by Surface-Enhanced Raman Scattering

scientific article published on 13 December 2017

Direct determination of diclofenac in pharmaceutical formulations containing B vitamins by using UV spectrophotometry and partial least squares regression

scientific article published in November 2004

Direct determination of ephedrine intermediate in a biotransformation reaction using infrared spectroscopy and PLS.

scientific article published on 19 January 2008

Direct determination of propranolol in urine by spectrofluorimetry with the aid of second order advantage

scientific article published on 23 December 2006

Direct sampling tandem mass spectrometry (MS/MS) and multiway calibration for isomer quantitation.

scientific article published in August 2002

Elimination of iron interference in the molecular spectrophotometric determination of aluminum in soil extracts using artificial neural networks

scientific article

Evaluation of miscibility and polymorphism of synthetic and natural lipids for nanostructured lipid carrier (NLC) formulations by Raman mapping and multivariate curve resolution (MCR)

scientific article published on 06 May 2019

Evolving factor analysis-based method for correcting monitoring delay in different batch runs for use with PLS: On-line monitoring of a transesterification reaction by ATR-FTIR.

scientific article published on 15 August 2007

Exploratory analysis of simultaneous degradation of anthocyanins in the calyces of flowers of the Hibiscus sabdariffa species by PARAFAC model.

scientific article published in December 2005

Fast determination of thyroid stimulating hormone in human blood serum without chemical preprocessing by using infrared spectroscopy and least squares support vector machines

scientific article published on April 20, 2011

Fast discrimination of bacteria using a filter paper-based SERS platform and PLS-DA with uncertainty estimation

scientific article published on 19 November 2018

Figures of merit for the determination of the polymorphic purity of carbamazepine by infrared spectroscopy and multivariate calibration

scientific article published in August 2004

Green methodology for soil organic matter analysis using a national near infrared spectral library in tandem with learning machine

scientific article published on 18 December 2018

Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates

scientific article

Heat and phosphate starvation effects on the proteome, morphology and chemical composition of the biomining bacteria Acidithiobacillus ferrooxidans

scientific article published on 04 November 2010

Homogeneity study of ointment dosage forms by infrared imaging spectroscopy

scientific article published in October 2011

Infrared imaging spectroscopy and chemometric tools for in situ analysis of an imiquimod pharmaceutical preparation presented as cream

scientific article published on 31 August 2013

Insights into the Effects of Crack Abuse on the Human Metabolome Using a NMR Approach

scientific article published on 12 November 2018

Least-squares support vector machines and near infrared spectroscopy for quantification of common adulterants in powdered milk

scientific article published on 10 July 2006

Metabolomics and lipidomics analyses by 1H nuclear magnetic resonance of schizophrenia patient serum reveal potential peripheral biomarkers for diagnosis.

scientific article published on 28 December 2016

Microstructures formation in a seemingly ideal homogeneous mixture of ethanol and methanol: An experimental evidence and two-dimensional correlation spectroscopy approach.

scientific article published in August 2009

Monitoring of multiple solid-state transformations at tablet surfaces using multi-series near-infrared hyperspectral imaging and multivariate curve resolution

scientific article published on 20 April 2015

Multivariate control charts based on net analyte signal (NAS) and Raman spectroscopy for quality control of carbamazepine

scientific article published on 16 March 2011

Multivariate curve resolution of pH gradient flow injection mixture analysis with correction of the Schlieren effect

scientific article published on 13 March 2008

NIR imaging spectroscopy for quantification of constituents in polymers thin films loaded with paracetamol.

scientific article published on 19 December 2012

Neuro-genetic multioptimization of the determination of polychlorinated biphenyl congeners in human milk by headspace solid phase microextraction coupled to gas chromatography with electron capture detection.

scientific article published on 6 December 2006

Non-destructive method for determination of hydroxyl value of soybean polyol by LS-SVM using HATR/FT-IR

scientific article published on 04 March 2007

Optimised NLC: a nanotechnological approach to improve the anaesthetic effect of bupivacaine

scientific article published on 24 June 2017

PLS regression using real sample calibration for aluminum and iron determination in plant extracts

scientific article published in January 2002

Petroleomics by electrospray ionization FT-ICR mass spectrometry coupled to partial least squares with variable selection methods: prediction of the total acid number of crude oils.

scientific article published in October 2014

Pharmaceutical analysis in solids using front face fluorescence spectroscopy and multivariate calibration with matrix correction by piecewise direct standardization

scientific article published on 7 November 2012

Prediction of the distillation temperatures of crude oils using ¹H NMR and support vector regression with estimated confidence intervals

scientific article published on 24 April 2015

Prediction of the physicochemical properties of gasoline by comprehensive two-dimensional gas chromatography and multivariate data processing.

scientific article

Quality evaluation of frozen guava and yellow passion fruit pulps by NIR spectroscopy and chemometrics

scientific article published on 30 April 2016

Quantification of Lactobacillus in fermented milk by multivariate image analysis with least-squares support-vector machines.

scientific article

Quantification of animal fat biodiesel in soybean biodiesel and B20 diesel blends using near infrared spectroscopy and synergy interval support vector regression

scientific article published on 28 November 2013

Quantification of chlorpheniramine maleate enantiomers by ultraviolet spectroscopy and chemometric methods.

scientific article published on 11 February 2010

Quantification of moxifloxacin in urine using surface-enhanced Raman spectroscopy (SERS) and multivariate curve resolution on a nanostructured gold surface.

scientific article

Quantitation of isomeric ethyl pyridine mixtures by multivariate calibration applied to ion-molecule reaction/collision-induced dissociation triple-stage mass spectra

scientific article published in May 2003

Quantitative analysis by comprehensive two-dimensional gas chromatography using interval Multi-way Partial Least Squares calibration.

scientific article published on 21 August 2010

Quantitative analysis of biodiesel in blends of biodiesel and conventional diesel by comprehensive two-dimensional gas chromatography and multivariate curve resolution.

scientific article published on 6 August 2013

Quantitative analysis of essential oils in perfume using multivariate curve resolution combined with comprehensive two-dimensional gas chromatography

scientific article published on 11 May 2011

Raman hyperspectral imaging in conjunction with independent component analysis as a forensic tool for explosive analysis: The case of an ATM explosion.

scientific article published on 27 June 2017

Raman spectroscopy and chemometrics for on-line control of glucose fermentation by Saccharomyces cerevisiae

scientific article published on 21 September 2012

Random forest as one-class classifier and infrared spectroscopy for food adulteration detection

scientific article published on 27 April 2019

Rapid Determination of Nutritional Parameters of Pasta/Sauce Blends by Handheld Near-Infrared Spectroscopy

scientific article published on 28 May 2019

Rapid differentiation among bacteria that cause gastroenteritis by use of low-resolution Raman spectroscopy and PLS discriminant analysis

scientific article published on 19 October 2005

Simple, Expendable, 3D-Printed Microfluidic Systems for Sample Preparation of Petroleum.

scientific article published on 23 February 2017

Simultaneous determination of acetylsalicylic acid, paracetamol and caffeine using solid-phase molecular fluorescence and parallel factor analysis.

scientific article published on 5 November 2008

Simultaneous determination of hydrocarbon renewable diesel, biodiesel and petroleum diesel contents in diesel fuel blends using near infrared (NIR) spectroscopy and chemometrics

scientific article published in November 2013

Simultaneous determination of vitamins C, B6 and PP in pharmaceutics using differential pulse voltammetry with a glassy carbon electrode and multivariate calibration tools

scientific article published on 20 January 2005

Simultaneous optimization by neuro-genetic approach of a multiresidue method for determination of pesticides in Passiflora alata infuses using headspace solid phase microextraction and gas chromatography.

scientific article published on 13 November 2006

Spectrophotometric determination of organic dye mixtures by using multivariate calibration.

scientific article published in September 1998

Standard addition method applied to the urinary quantification of nicotine in the presence of cotinine and anabasine using surface enhanced Raman spectroscopy and multivariate curve resolution

scientific article published on 23 November 2012

Study of the homogeneity of drug loaded in polymeric films using near-infrared chemical imaging and split-plot design.

scientific article published on 24 June 2014

Surface-enhanced Raman spectroscopy and MCR-ALS for the selective sensing of urinary adenosine on filter paper

article

TS-FF-AAS and multivariate calibration: A proposition for sewage sludge slurry sample analyses

scientific article published on 12 June 2006

Temporal drift in Raman signal intensity during SERS measurements performed on analytes in liquid solutions

scientific article published on 01 August 2016

Thermal desorption modulation for comprehensive two-dimensional gas chromatography using a simple and inexpensive segmented-loop fluidic interface.

scientific article

Three-way chemometric method study and UV-Vis absorbance for the study of simultaneous degradation of anthocyanins in flowers of the Hibiscus rosa-sinensys species.

scientific article published in February 2004

Trapping of Au nanoparticles in a microfluidic device using dielectrophoresis for surface enhanced Raman spectroscopy.

scientific article published on 20 December 2016

Use of radial basis function networks and near-infrared spectroscopy for the determination of total nitrogen content in soils from Sao Paulo State

scientific article published on 01 July 2008

Variable selection, outlier detection, and figures of merit estimation in a partial least-squares regression multivariate calibration model. A case study for the determination of quality parameters in the alcohol industry by near-infrared spectrosco

scientific article published in October 2007

Visible and near infrared spectroscopy coupled to random forest to quantify some soil quality parameters

scientific article published on 19 October 2017