224 results on '"Araújo, Mário César Ugulino"'
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2. Bat algorithm for variable selection in multivariate classification modeling using linear discriminant analysis
3. Feasibility study on quantification and authentication of the cassava starch content in wheat flour for bread-making using NIR spectroscopy and digital images
4. Non-destructive authentication of Gourmet ground roasted coffees using NIR spectroscopy and digital images
5. Scores selection via Fisher’s discriminant power in PCA-LDA to improve the classification of food data
6. A fast, low-cost, sensitive, selective, and non-laborious method based on functionalized magnetic nanoparticles, magnetic solid-phase extraction, and fluorescent carbon dots for the fluorimetric determination of copper in wines without prior sample treatment
7. In-situ authentication of goat milk in terms of its adulteration with cow milk using a low-cost portable NIR spectrophotometer
8. DETERMINAÇÃO VOLTAMÉTRICA DE HIDROCARBONETOS POLICÍCLICOS AROMÁTICOS USANDO UM ELETRODO DE PASTA DE CARBONO MODIFICADO COM FTALOCIANINA DE ZINCO
9. A digital capture movie-based robotized Flow-batch luminometer for in-line magnetic nanoparticle solid phase extraction and chemiluminescent measurement
10. Determination of N, N-diethyl-3-methylbenzamide and ethyl-butyl-acetylaminopropionate in insect repellent using near infrared spectroscopy and multivariate calibration
11. Chromatographic quantification of seven pesticide residues in vegetable: Univariate and multiway calibration comparison
12. Kinetic Modeling of Anaerobic Co-Digestion Of Plant Solid Waste with Sewage Sludge: Synergistic Influences of Total Solids and Substrate Particle Size in Biogas Generation
13. Simultaneous identification of the wood types in aged cachaças and their adulterations with wood extracts using digital images and SPA-LDA
14. Simultaneous voltammetric determination of four organic acids in fruit juices using multiway calibration
15. Linear Regression Modeling: Variable Selection
16. Vis-NIR spectrometric determination of Brix and sucrose in sugar production samples using kernel partial least squares with interval selection based on the successive projections algorithm
17. Emitter/receiver piezoelectric films coupled to flow-batch analyzer for acoustic determination of free glycerol in biodiesel without chemicals/external pretreatment
18. Determination of fat content in chicken hamburgers using NIR spectroscopy and the Successive Projections Algorithm for interval selection in PLS regression (iSPA-PLS)
19. A chemometric cleanup using multivariate curve resolution in liquid chromatography: Quantification of pesticide residues in vegetables
20. Screening analysis of garlic-oil capsules by infrared spectroscopy and chemometrics
21. Fluorescent fingerprints of edible oils and biodiesel by means total synchronous fluorescence and Tucker3 modeling
22. A digital image-based traceability tool of the geographical origins of Argentine propolis
23. Using UV–Vis spectroscopy for simultaneous geographical and varietal classification of tea infusions simulating a home-made tea cup
24. Handling time misalignment and rank deficiency in liquid chromatography by multivariate curve resolution: Quantitation of five biogenic amines in fish
25. Calibration transfer employing univariate correction and robust regression
26. Modeling nonbilinear total synchronous fluorescence data matrices with a novel adapted partial least squares method
27. Performance evaluation of the main kinetic models applied in anaerobic co-digestion process: description of synergistic effect of total solids concentration and particle size in biogas production
28. Binary classification of chalcone derivatives with LDA or KNN based on their antileishmanial activity and molecular descriptors selected using the Successive Projections Algorithm feature-selection technique
29. Geographical origin classification of Argentinean honeys using a digital image-based flow-batch system
30. Studies of the liposolubility and the ecotoxicity of MC-LR degradation by-products using computational molecular modeling and in-vivo tests with Chlorella vulgaris and Daphnia magna
31. Eco-friendly sonoluminescent determination of free glycerol in biodiesel samples
32. The successive projections algorithm for interval selection in PLS
33. Screening for Coffee Adulteration Using Digital Images and SPA-LDA
34. A graphical user interface for variable selection employing the Successive Projections Algorithm
35. Screening analysis of beer ageing using near infrared spectroscopy and the Successive Projections Algorithm for variable selection
36. Thermogravimetric determination of l-ascorbic acid in non-effervescent formulations using multiple linear regression with temperature selection by the successive projections algorithm
37. A digital image-based method for determining of total acidity in red wines using acid–base titration without indicator
38. A modification of the successive projections algorithm for spectral variable selection in the presence of unknown interferents
39. Simultaneous Classification of Teas According to Their Varieties and Geographical Origins by Using NIR Spectroscopy and SPA-LDA
40. Ensemble wavelet modelling for determination of wheat and gasoline properties by near and middle infrared spectroscopy
41. Recomendações para calibração em química analítica: parte I. Fundamentos e calibração com um componente (calibração univariada)
42. Near infrared reflectance spectrometry classification of cigarettes using the successive projections algorithm for variable selection
43. Classification of Brazilian soils by using LIBS and variable selection in the wavelet domain
44. Estudo comparativo sobre filtragem de sinais instrumentais usando transformadas de Fourier e Wavelet
45. A variable elimination method to improve the parsimony of MLR models using the successive projections algorithm
46. Sub-optimal wavelet denoising of coaveraged spectra employing statistics from individual scans
47. An application of subagging for the improvement of prediction accuracy of multivariate calibration models
48. Digital image-based titrations
49. Flow injection photometric determination of NaCl, KCl and glucose in injectable drugs exploiting Schlieren signals
50. Simultaneous determination of goat milk adulteration with cow milk and their fat and protein contents using NIR spectroscopy and PLS algorithms
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