Jez Willian Batista Braga

Licenciado em Química pela Universidade Estadual de Goiás, mestre e doutor na área de Química Analítica pela Universidade Estadual de Campinas, pós-doutorado no Centro de Energia Nuclear na Agricultura (CENA/USP) e estágio no exterior realizado na Universidad Nacional de Rosário (AR). O Prof. Jez se tornou Professor Titular do Instituto de Química da Universidade de Brasília (UnB) em 2025. Tem experiência na área docente e em pesquisas com ênfase em Quimiometria e Química Forense, atuando principalmente nas seguintes áreas: análise de amostras de interesse forense (drogas, documentos, bebidas, madeira, explosivos, combustíveis, medicamentos, alimentos, etc.), calibração multivariada de primeira e segunda ordem, determinação de figuras de mérito, validação, resolução multivariada de curvas, métodos de separação por HPLC e espectroscópicos (UV-VIS, IV, NIR e fluorescência molecular). Possui mais de 70 artigos publicados, quatro capítulos de livro e participações em diversos eventos nacionais e internacionais.

e-mail: jez@unb.br

Currículo Lattes

ORCID

Quimiometria em Química Forense

Desenvolvimento de métodos para avaliação da autenticidade/qualidade de produtos à base de Euphorbia Tirucalli L. (Aveloz)

dentificação e caracterização de gêneros e espécies de madeiras a partir de espectroscopia Raman e métodos quimiométricos e de inteligência artificial

Microplásticos em ecossistemas de água doce do DF: inventário, caracterização e interação com micropoluentes de interesse emergente

Sensores Nanoestruturados para Monitoramento e Controle de Qualidade de Água de Abastecimento Urbano do Distrito Federal

Desenvolvimento e avaliação da estabilidade de filmes ativos biodegradáveis para aplicações em alimentos

CLOACINA: Análise de esgotos para gerar estimativas temporais e espaciais do uso de drogas em cidades brasileiras em apoio às políticas nacionais de redução de oferta e demanda

Avaliação de modelos quimiométricos para a discriminação de madeiras semelhantes por espectroscopia no infravermelho próximo

De Sousa JF, Batista Braga JW, Dias ACB (2025) Authenticity assessment of commercial natural sweeteners using near- and mid-infrared spectroscopy with DD-SIMCA modeling. Food Chemistry, 481:143983.

Logrado LP, Braga JW (2025) Bulk Explosive Investigation: Chemical Analyses of Fuel-Oxidizer Explosive Mixtures Commonly Used in Criminal Actions. Brazilian Journal of Analytical Chemistry – BrJAC, 12:1-17.

Logrado LPL, Braga JWB (2025) SPME-GC-MS analysis of fire debris: assessing sample transfer viability for automated analysis and the influence of sooty materials. Forensic Chemistry, 45:100688.

Da Silva DR, Dos Santos AC, De Lima IL, De Mansoldo FRP, Da Silva ARJ, De Carvalho CP, Da Cunha GS, Borges MM, Vermelho AB, Braga JWB, Eberlin MN (2025) Chemical profiling of developmental stages in three major flies via direct infusion mass spectrometry: Improving estimates of minimum postmortem intervals in forensic entomology. Journal of Forensic Sciences, 70:1-12.

Vieira RD, Casarin F, De Oliveira Magalhães L, Caixêta IN, Arantes LC, Braga JWB (2025) Discrimination of Cannabis sativa L. from other similar plant species using solvent extraction, ATR-FTIR and PLS-DA. Forensic Chemistry, 45:100690.

Logrado LPL, Braga JWB (2025) Evaluation of interferents in sampling materials for analysis of post-explosion residues (explosive emulsion/ ANFO ) using gas chromatography-mass spectrometry ( GC / MS ). Journal of Forensic Sciences, 70:314-322.

Lopes de Mesquita Vieira F, Eduardo Celino Benedito L, Cézar de Oliveira Moreira A, William Batista Braga J, Lima de Oliveira A (2024) Applicability of NMR in combination with chemometrics for the characterization and differentiation of oil-resin extracted from Copaifera langsdorffii and Copaifera spp.. Microchemical Journal, 197:109850.

Kunze DCGC, Pastore TCM, Fontes PJP, Silva GCB, Sousa AG, Rocha HS, Lopes PVA, Braga JWB (2024) NIRS technology used for traceability of Cedrela odorata L. commercial shipment in Brazil. Microchemical Journal, 199:110077.

Paulo Lima Logrado L, Willian Batista Braga J (2024) Long-term storage for reanalysis purposes: A stability study of extracts from post-explosion/burning residues of fuel-oxidizer explosive mixtures. Forensic Chemistry, 39:100583.

Souza MA, Santos AS, Da Silva SW, Braga JWB, Sousa MH (2023) Diffuse Reflectance FTIR of Latent Fingerprints and Discriminant Analysis for Sex Identification in Humans. Journal of the Brazilian Chemical Society, 34:819-825.

Logrado L, Braga JW, Laboissiere JC (2023) Assessment of Banknotes as a Matrix for Detecting Post-Explosion Residues of Fuel-Oxidizer Explosive Mixtures Using Ion Chromatography. Brazilian Journal of Analytical Chemistry – BrJAC, 11:101-114.

Dourado CS, Domingues IFF, De Oliveira Magalhães L, Casarin F, Ribeiro ML, Braga JWB, Dias ACB (2022) Optimization of a saccharin molecularly imprinted solid-phase extraction procedure and evaluation by MIR hyperspectral imaging for analysis of diet tea by HPLC. Food Chemistry, 367:130732.

Souza MA, Santos AS, Da Silva SW, Braga JWB, Sousa MH (2022) Raman spectroscopy of fingerprints and chemometric analysis for forensic sex determination in humans. Forensic Chemistry, 27:100395.

Logrado LPL, Silva MN, Laboissiere JCA, Braga JWB (2022) Profile of explosives’ use in /cash safes robberies in Brazil. Journal of Forensic Sciences, 67:1441-1449.

Pastore TCM, Braga LR, Da C. Kunze DC, Soares LF, Pastore F, De O. Moreira AC, Dos Anjos PV, Lara CS, Coradin VTR, W. B. Braga J (2022) A green and direct method for authentication of rosewood essential oil by handheld near infrared spectrometer and one-class classification modeling. Microchemical Journal, 182:107916.

Duarte JM, Sales NGS, Braga JWB, Bridge C, Maric M, Sousa MH, Gomes JA (2022) Discrimination of white automotive paint samples using ATR-FTIR and PLS-DA for forensic purposes. Talanta, 240:123154.

Custódio M, Magalhães L, Arantes L, Braga J (2021) Identification of Synthetic Drugs on Seized Blotter Papers Using ATR-FTIR and PLS-DA: Routine Application in a Forensic Laboratory. Journal of the Brazilian Chemical Society, 32:513-522.

Dourado CS, Casarin F, Braga JWB, Machado F, Dias ACB (2021) Synthesis and evaluation of hybrid molecularly imprinted polymers for selective extraction of saccharin in aqueous medium. Journal of Polymer Research, 28:40.

De Oliveira Moreira AC, Braga JWB (2021) Authenticity Identification of Copaiba Oil Using a Handheld NIR Spectrometer and DD-SIMCA. Food Analytical Methods, 14:865-872.

Moreira CCC, Costa IA, Moura DS, Grisolia CK, Leite CAEM, Souza PE, Moreira SGC, Pereira-da-Silva MA, Braga JWB, Paterno LG (2021) Oxidation degree or sheet size: What really matters for the photothermal effect and ecotoxicity of graphene oxide? FlatChem, 26:100231.

Rocha HS, Braga JWB, Kunze DCGC, Coradin VTR, Pastore TCM (2021) Identification of mahogany sliced veneer using handheld near-infrared spectroscopy device and multivariate data analysis. IAWA Journal, 42:336-347.

Kunze DCGC, Pastore TCM, Rocha HS, Lopes PV, Vieira RD, Coradin VTR, Braga JWB (2021) Correction of the moisture variation in wood NIR spectra for species identification using EPO and soft PLS2-DA. Microchemical Journal, 171:106839.

Magalhães LDO, Arantes LC, Braga JWB (2019) Identification of NBOMe and NBOH in blotter papers using a handheld NIR spectrometer and chemometric methods. Microchemical Journal, 144:151-158.

Martins AR, Dourado CS, Talhavini M, Braz A, Batista Braga JW (2019) Determination of chronological order of crossed lines of ballpoint pens by hyperspectral image in the visible region and multivariate analysis. Forensic Science International, 296:91-100.

Costa KFF, Brand GD, Grobério TS, Braga JWB, Zacca JJ (2019) Document ink dye age estimation by direct injection-mass spectrometry and correlation analysis. Microchemical Journal, 147:1123-1132.

Skrobot VL, Santos CDS, Braga JWB (2019) Exploratory Analysis of Automotive Diesel Fuel Stability Test Methods by Infrared Spectroscopy and Parallel Factor Analysis. Energy & Fuels, 33:6170-6176.

Silva DC, Pastore TCM, Soares LF, Barros FAS, Bergo MCJ, Coradin VTR, Gontijo AB, Sosa MH, Chacon CB, Braga JWB (2018) Determination of the country of origin of true mahogany (Swietenia macrophylla King) wood in five Latin American countries using handheld NIR devices and multivariate data analysis. Holzforschung, 72:521-530.

Allegrini F, Braga JWB, Olivieri AC (2018) Error Covariance Penalized Regression: A novel multivariate model combining penalized regression with multivariate error structure. Analytica Chimica Acta, 1011:20-27.

De Oliveira Moreira AC, De Lira Machado AH, De Almeida FV, Braga JWB (2018) Rapid Purity Determination of Copaiba Oils by a Portable NIR Spectrometer and PLSR. Food Analytical Methods, 11:1867-1877.

Snel FA, Braga JWB, Da Silva D, Wiedenhoeft AC, Costa A, Soares R, Coradin VTR, Pastore TCM (2018) Potential field-deployable NIRS identification of seven Dalbergia species listed by CITES. Wood Science and Technology, 52:1411-1427.

Silva AF, Grobério TS, Zacca JJ, Maldaner AO, Braga JWB (2018) Cocaine and adulterants analysis in seized drug samples by infrared spectroscopy and MCR-ALS. Forensic Science International, 290:169-177.

Soares LF, Silva DC, Bergo MCJ, Coradin VTR, Braga JWB, Pastore TCM (2017) Avaliação de espectrômetro NIR portátil e PLS-DA para a discriminação de seis espécies similares de madeira amazônicas. Química Nova, 40:418-426.

Ochoa DH, Braga JWB, Machado F (2017) Optimization of the Functional Characteristics of Cleaning Products Through Experimental Design. Journal of Surfactants and Detergents, 20:467-481.

Martins AR, Talhavini M, Vieira ML, Zacca JJ, Braga JWB (2017) Discrimination of whisky brands and counterfeit identification by UV-Vis spectroscopy and multivariate data analysis. Food Chemistry, 229:142-151.

Brito LRE, Martins AR, Braz A, Chaves AB, Braga JWB, Avelar MFP (2017) Critical review and trends in forensic investigations of crossing ink lines. TrAC – Trends in Analytical Chemistry, 94:54-69.

Braga JWB, Allegrini F, Olivieri AC (2017) Maximum likelihood unfolded principal component regression with residual bilinearization (MLU-PCR/RBL) for second-order multivariate calibration. Chemometrics and Intelligent Laboratory Systems, 170:51-57.

Colares CJC, Pastore TCM, Coradin VTR, Moreira ACO, Alexandrino GL, Marques LF, Poppi RJ, Braga JWB (2016) Near infrared hyperspectral imaging and MCR-ALS applied for mapping chemical composition of the wood specie Swietenia Macrophylla King (Mahogany) at microscopic level. Microchemical Journal, 124:356-363.

Silva Neto GF, Fonseca A, Braga JWB (2016) Classification of mineral waters based on digital images acquired by smartphones. Química Nova, 39:876-881.

Bergo MCJ, Pastore TCM, Coradin VTR, Wiedenhoeft AC, Braga JWB (2016) NIRS identification of Swietenia Macrophylla is robust across specimens from 27 countries. IAWA Journal, 37:420-430.

Neves D, Talhavini M, Braga JW, Zacca JJ, Caldas E (2016) Detection of Counterfeit Durateston® Using Fourier Transform Infrared Spectroscopy and Partial Least Squares – Discriminant Analysis. Journal of the Brazilian Chemical Society, 28:1288-1296.