Chromatography: concepts and applications
How separation by physical and chemical interactions becomes information about composition.
SCIENTIFIC OUTPUT
Publications
Papers, book chapters, patents and theses from the OpenScience team, spanning over two decades of work in analytical chemistry, chemometrics and spectral imaging.
EVENTS
OpenScience in the field
Conferences and trade shows. Click to enlarge.
FOOD RESEARCH INTERNATIONAL · 2025
Prediction of coffee traits by artificial neural networks and laser-assisted rapid evaporative ionization mass spectrometry
VGK Cardoso, J Balog, V Zsellér, T Karancsi, GP Sabin, LW Hantao
View publication → CHEMOMETRICS, ELSEVIER · 2024 · BOOK CHAPTER · P. 91–123
Hyperspectral imaging applications
Sabin, G.P., Soares, F.L.F., De Freitas, D.L.D. et al.
View publication → BRAZILIAN JOURNAL OF ANALYTICAL CHEMISTRY · 2021
Fast high-resolution mass spectrometry and chemometrics for evaluation of sensory parameters of commercial coffee blends
VGK Cardoso, GP Sabin, LW Hantao
View publication → PATENT WO 2021/019225 A1 · 2021
Combustible Tobacco Product Design System And Method
JC Dias, S Kaiser, MCA Marcelo, FLF Soares, JAA Quintero, DD Conty, OFS Pontes, GP Sabin
View publication → JOURNAL OF CHEMOMETRICS · 2020 · V. 34(12)
Chemosensory aerosol assessment of key attributes for tobacco products
FLF Soares, MCA Marcelo, JC Dias, LC Juliano, LMF Porte, LS Canova, JA Ardila, OFS Pontes, GP Sabin, S Kaiser
View publication → PATENT US APP. 16/315,436 · 2019
Apparatus and method for classifying a tobacco sample into one of a predefined set of taste categories
OFS Pontes, GP Sabin, JRP da Silva, JC Dias, S Kaiser
View publication → TALANTA · 2019 · V. 202, P. 74–89
Analysis of chemosensory markers in cigarette smoke from different tobacco varieties by GC×GC-TOFMS and chemometrics
TG Schwanz, LVV Bokowski, MCA Marcelo, AC Jandrey, JC Dias, et al.
View publication → CHEMICAL RESEARCH IN TOXICOLOGY · 2018 · V. 31(9), P. 964–973
Innovative approaches for estimating the levels of tobacco-specific nitrosamines in cured tobacco samples
S Kaiser, FLF Soares, JA Ardila, MCA Marcelo, JC Dias, LMF Porte, C Gonçalves, OFS Pontes, GP Sabin
View publication → TALANTA · 2018 · V. 190, P. 363–374
High-throughput simultaneous quantitation of multi-analytes in tobacco by flow injection coupled to high-resolution mass spectrometry
S Kaiser, JC Dias, JA Ardila, FLF Soares, MCA Marcelo, LMF Porte, et al.
View publication → JOURNAL OF NEAR INFRARED SPECTROSCOPY · 2014 · V. 22(3), P. 211–220
Mapping the polymorphic forms of fexofenadine in pharmaceutical tablets using near infrared chemical imaging
AM Brondi, LA Terra, GP Sabin, JS Garcia, RJ Poppi, MG Trevisan
View publication → PHD THESIS · UNICAMP · 2013
Estratégias quimiométricas aplicadas ao estudo de imagens químicas: novas possibilidades para caracterização de produtos e processos farmacêuticos
GP Sabin
View publication → JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS · 2013 · V. 73, P. 3–12
Characterization of semi-solid Self-Emulsifying Drug Delivery Systems (SEDDS) of atorvastatin calcium by Raman image spectroscopy and chemometrics
MC Breitkreitz, GP Sabin, G Polla, RJ Poppi
View publication → JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS · 2012 · V. 58, P. 7–11
Fingerprinting of sildenafil citrate and tadalafil tablets in pharmaceutical formulations via X-ray fluorescence (XRF) spectrometry
RS Ortiz, KC Mariotti, NV Schwab, GP Sabin, WFC Rocha, EVR de Castro, et al.
View publication → OPEN CHEMISTRY · 2012 · V. 10(6), P. 1808–1816
Simultaneous analysis of first-line anti-tuberculosis drugs in tablets by UV spectrophotometry compared to capillary zone electrophoresis
L Marcellos, A Faria, M Souza, M Almeida, G Sabin, R Poppi, M Oliveira
View publication → ANALYTICA CHIMICA ACTA · 2012 · V. 731, P. 11–23
Multivariate curve resolution combined with gas chromatography to enhance analytical separation in complex samples: A review
LW Hantao, HG Aleme, MP Pedroso, GP Sabin, RJ Poppi, F Augusto
View publication → QUÍMICA NOVA · 2012 · V. 35(3), P. 612–615
Desenvolvimento de um algoritmo para identificação e correção de spikes em espectroscopia Raman de imagem
GP Sabin, AM Souza, MC Breitkreitz, RJ Poppi
View publication → CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS · 2011 · V. 106(2), P. 198–204
Quantitative analysis of piroxicam polymorphs pharmaceutical mixtures by hyperspectral imaging and chemometrics
WF de Carvalho Rocha, GP Sabin, PH Março, RJ Poppi
View publication → MICROCHEMICAL JOURNAL · 2011 · V. 99(2), P. 542–547
Study of the similarity between distribution maps of concentration in near-infrared spectroscopy chemical imaging obtained by different multivariate calibration approaches
GP Sabin, WF de Carvalho Rocha, RJ Poppi
View publication → ANALYTICA CHIMICA ACTA · 2011 · V. 706(1), P. 113–119
Analysis of pharmaceutical pellets: An approach using near-infrared chemical imaging
GP Sabin, MC Breitkreitz, AM de Souza, P da Fonseca, L Calefe, M Moffa, et al.
View publication → QUÍMICA NOVA · 2011 · V. 34(3), P. 414–418
Aumento da resposta analítica por meio da otimização do sistema de injeção sem divisão de fluxo em cromatografia gasosa empregando a lei dos gases ideais
GP Sabin, OD Prestes, ML Martins, MB Adaime, R Zanella
View publication → JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY · 2009 · V. 20(5), P. 918–925
Multiresidue determination of pesticides in drinking water by gas chromatography-mass spectrometry after solid-phase extraction
GP Sabin, OD Prestes, MB Adaime, R Zanella
View publication → MASTER'S THESIS · UFSM · 2007
Desenvolvimento e validação de método utilizando SPE e GC-MS para a determinação multirresíduo de pesticidas em água potável
GP Sabin
View publication → CONTENT AND PRESENCE
What we publish and where we have been
Spectral images: concepts and applications
How spectral imaging records physical and chemical properties the eye cannot see.
Can artificial intelligences smell and taste?
Electronic noses and tongues, and what AI does with those signals.
IAEA Food Safety and Control, Viena 202447th SBQ Annual Meeting, 2024III International Workshop on Hyperspectral Imaging, Unicamp 2024XXV International Coffee Seminar, SantosWie Day UFRN 2025