NIR spectroscopy
Pear quality characteristics by Vis NIR spectroscopy
... / NIR spectroscopy have been used to evaluate the characteristics of maturation and quality of .../ NIR spectroscopy as a non-destructive way to assess the qualitative characteristics of pear ...
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LS-SVM: a new chemometric tool for multivariate regression. Comparison of LS-SVM and pls regression for determination of common adulterants in powdered milk by nir spectroscopy.
... LS-SVM: A NEW CHEMOMETRIC TOOL FOR MULTIVARIATE REGRESSION. COMPARISON OF LS-SVM AND PLS REGRESSION FOR DETERMINATION OF COMMON ADULTERANTS IN POWDERED MILK BY NIR SPECTROSCOPY. Least- squares support ...
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Predicting the oil contents in sunflower genotype seeds using near- infrared reflectance (NIR) spectroscopy
... Furthermore, the seed oil contents from 19 hybrids evaluated using the calibrated equation with NIR spectroscopy were compared to the seed oil contents obtained with the Soxhlet apparatus using n-hexane as ...
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Classification and quantification of defective and non-defective coffees by FTIR and NIR spectroscopy
... and NIR spectroscopy as practical techniques to assess the quality of coffees based on the presence of defective ...and NIR for a classification ...and NIR provided the discrimination into ...
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J. Braz. Chem. Soc. vol.24 número6
... The objective of this study was to classify samples of tablets containing dipyrone, caffeine and orphenadrine using near infrared (NIR) spectroscopy and chemometric techniques. The data set had 300 spectra ...
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USE OF NEAR INFRARED SPECTROSCOPY TO DISTINGUISH
... uses NIR spectroscopy combined with principal component analysis to identify false medicines (FRASSON SCAFI & PASQUINI, 2001) and in food industry, which uses these techniques to identify adultered ...
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Liu Weijuan,a Qiu Changgui,b Li Minga and Yang Yanmeia
... on NIR spectroscopy and deep learning algorithm is first investigated to classify cigarette ...high-dimensional NIR spectral data will be investigated sparse representation for data analysis ...
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MATERIAL AND METHODS Genetic material
... on NIR spectroscopy information, many studies have presented promising ...of NIR spectra recorded on wood powder of 588 Eucalyptus nitens while HEIN and CHAIX (2014) have recorded NIR spectra ...
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J. Braz. Chem. Soc. vol.18 número2
... infrared spectroscopy for BRIX and POL can be used in the sugar cane industry as an alternative to refractometry and polarization measurements (standard methods for BRIX and POL, ...The NIR-PLS procedure ...
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Braz. J. Chem. Eng. vol.31 número4
... on-line NIR spectroscopy for the prediction of the evolution of monomer concentration, conversion and average particle diameter in acrylamide inverse miniemulsion polymerization was ...the NIR ...
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Mat. Res. vol.7 número3
... electron spectroscopy – AES, electron energy loss spectroscopy – EELS), ions (secondary ion mass spectroscopy – SIMS, ion scattering spectroscopy – ISS) or neutrons (neutron scatter- ing) may ...
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Rev. Esc. Minas vol.64 número1
... The phosphated samples were heat- treated and analyzed again using the same Fourier transform infrared spectroscopy technique. The objective of the heat treat- ment was to verify the changes, which could take ...
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Corrosion Inhibition of Titanium in Artificial Saliva Containing Fluoride
... Electrochemical impedance spectroscopy for titanium grade 2 in different saliva media.. Electrochemical impedance spectroscopy for titanium grade 2 fluoride media at pH2 + (10 -1 M) eu[r] ...
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Braz. J. Pharm. Sci. vol.52 número4
... addition of the polysaccharide (Lim et al., 2011; Esmonde- White et al., 2011). The spectrum of a chemical compound provided by Raman spectroscopy has been referred to as the compound ingerprint. This ...
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Influência de diferentes coberturas orgânicas e inorgânicas na informação hiperespectral...
... MENESES, R.; MADEIRA NETTO, J.S.M. Brasília: UnB; Planaltina: Embrapa Cerrados, 2001. Principles of field spectroscopy. Progress in field spectroscopy. Modeling soil moisture: reflectanc[r] ...
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Isolation and Structural Determination of an Anti Bacterial Constituent from the Leaves of Cassia alata Linn.
... red spectroscopy, mass spectroscopy and nuclear magnetic resonance studies showed that the isolated compound was chemically 3,4 dihydroxy cinnamic ...
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Desenvolvimento de nanomateriais para a terapia fototermal do cancro
... Micelles’ corona is typically composed by PEG since this hydrophilic polymer provides stealth properties to nanostructures, thereby preventing their opsonization and uptake by RES cells (Owen et al., 2012). Such is ...
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Determinação de proteína em café cru por espectroscopia NIR e regressão PLS.
... NIR sofreram diferentes transformações e pré-tratamento matemático, como a transformação Kubelka-Munk; correção multiplicativa de sinal (MSC); alisamento (SPLINE); derivada primeira; média móvel e o pré-tratamento ...
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UATR and NIRA evaluation in the quantification of ATBC in NC blends
... and NIR regions were useful for quantifying the ATBC content in binary systems with NC, demonstrating practicality when using unconventional techniques such as UATR and NIR-transflectance, which do not ...
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Teor de antocianinas totais em frutos intactos de açaí (euterpe oleracea MART.) e palmiteiro-juçara (euterpe edulis MART.) usando espectroscopia na região do infravermelho próximo e calibração multivariada
... espectroscopia NIR, embora os parâmetros estudados por outros autores sejam diferentes do parâmetro estudado nesta ...técnica NIR pode ser usada satisfatoriamente para determinar o teor total de ...
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