Search Results - "de Carvalho dos Anjos, Virgílio"
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Raman spectral peak positions of olivine (Fo‐Fa) as fast methodology for classifying chondrites
Published in Journal of Raman spectroscopy (01-06-2021)“…Chondrites are the most common meteorites in the world. However, the carbonaceous chondrites represent only a small fraction of those. Among them, Allende…”
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Detection of Veterinary Antimicrobial Residues in Milk through Near-Infrared Absorption Spectroscopy
Published in Journal of spectroscopy (Hindawi) (01-01-2018)“…This study focuses on detection of antimicrobial residues in milk through Fourier transform near-infrared spectroscopy. Simulated and real samples were…”
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3
Determination of Arabica and Robusta species in blends of roasted coffee by Mid Infrared spectroscopy in association with mixture design
Published in Food chemistry advances (01-06-2024)“…•Modelling to predict the amount of species of coffee in blends.•Robusta coffee additions (above 2.5 %) were detected and quantified by FT-MIR.•Simplified and…”
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4
Origin geographical classification of green coffee beans (Coffeaarabica L.) produced in different regions of the Minas Gerais state by FT-MIR and chemometric
Published in Current research in food science (01-01-2022)“…The present work was proposal the potential evaluation of Fourier-Transform Mid-Infrared (FT-MIR) associated with chemometric approach in green beans, in order…”
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5
Functionalization of titanium dental prostheses surface with antimicrobials GO and Cu2O
Published in Journal of materials research and technology (01-07-2023)“…One of the causes of the failure of dental implants is bone loss due to bacterial infiltration. To minimize this problem, biofilm adhesion on the abutments…”
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Long-Term Ripening Evaluation of Ewes’ Cheeses by Fourier-Transformed Infrared Spectroscopy under Real Industrial Conditions
Published in Journal of spectroscopy (Hindawi) (01-01-2018)“…The ripening changes over time of special cheeses (Pecorino, ewes’ ripe, and Gouda) made with ewes’ milk were evaluated using FTIR/ATR spectroscopy during…”
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FTIR-ATR determination of protein content to evaluate whey protein concentrate adulteration
Published in Food science & technology (01-01-2019)“…We evaluated the potential application of Fourier-Transformed Infrared spectroscopy using Attenuated Total Reflectance (FTIR-ATR) to characterize and detect…”
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Detection of adulteration of goat milk powder with bovine milk powder by front-face and time resolved fluorescence
Published in Food control (01-11-2017)“…The increasing importance of goat milk renews the need to examine the authenticity of goat milk powder and to identify frauds with cow milk powder. The use of…”
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Spectroscopic characteristics and gain cross-section profiles of erbium-doped boro-tellurite glasses for optical amplifier applications
Published in Optical materials (01-02-2024)“…A series of glass compositions (60-x) B2O3–10TeO2–15BaCO3–15MgF2–xEr2O3 with diverse quantities of erbium ions (Er3+) was synthesized using the melt quenching…”
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10
Time resolved fluorescence of cow and goat milk powder
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-01-2017)“…Milk powder is an international dairy commodity. Goat and cow milk powders are significant sources of nutrients and the investigation of the authenticity and…”
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Raman Spectroscopy as a fast tool for whey quantification in raw milk
Published in Vibrational spectroscopy (01-11-2020)“…•Raman spectroscopy has been used to identify and quantify whey addition in raw milk.•The method proposed is fast, reliable and dispenses any step of sample…”
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12
Evaluation of the effects of mild heat in bovine milk by time resolved fluorescence
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-08-2019)“…Heat treatment of milk and dairy products are indispensable for the dairy industry. This thermal processing intends to extend shelf life, improve quality of…”
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Sugarcane bagasse pretreated by different technologies used as support and carbon source in solid-state fermentation by Aureobasidium pullulans LB83 to produce bioemulsifier
Published in Biomass conversion and biorefinery (01-08-2024)“…Bioemulsifier production by Aureobasidium pullulans LB83 from pretreated sugarcane bagasse was evaluated in solid-state fermentation. Alkaline (0.2 mol.L − 1…”
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Quantification of whole ultra high temperature UHT milk waste as a function of packages type and design
Published in Journal of cleaner production (01-06-2017)“…The food waste during consumption should be decreased to assure environmental sustainability and food safety. Packages play an important role in the…”
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Use of infrared spectroscopy to evaluate the maturation of Minas Padrão and Prato cheeses added with probiotic bacteria
Published in Revista do Instituto de Laticínios Cândido Tostes (01-11-2024)“…Among the most consumed cheeses in Brazil are Minas Padrão and Prato. The objective of this work was to discriminate these cheeses added with probiotic…”
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Investigations on the interaction of water-soluble semiconductor polymer with thioglycolic acid (TGA) capped CdTe quantum dots
Published in Optical materials (01-07-2019)“…Studies of nanocomposites produced by the association of quantum dots (QDs) and polymers, in general, use the nanocrystals as the energy's donor and the…”
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Use of Scanning Electron Microscopy with Energy Dispersive Spectroscopy to detect metallic contamination in candies
Published in Food packaging and shelf life (01-06-2021)“…•Packaging ink residues were found on the surface of the candies.•SEM/EDS useful in food analysis as is easy to operate, portable and non-destructive.•Lead…”
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Influence of the xanthan gum as a crosslinking agent on the physicochemical properties of chitosan microparticles containing green coffee extract
Published in Biocatalysis and agricultural biotechnology (01-10-2020)“…Chitosan (Ch) microparticles have been investigated for drug delivery through different administration routes, primarily oral. For this, synthetic crosslinking…”
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Structural, thermal and spectroscopic properties of Er2O3-doped oxyfluoro tellurophosphate glasses
Published in Materials today : proceedings (01-03-2024)Get full text
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20
Espectroscopia de fotoelétrons por Raios X:Conceitos físicos e os processos experimentais
Published in Revista Brasileira de Ensino de Física (2021)“…A Natureza e os processos que envolvem partículas carregadas, como elétrons e prótons, são bastante estudados por alunos de ensino médio e em cursos de…”
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