Search Results - "de Oliveira, Luiz C."
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Combining Polymer and Cyclodextrin Strategy for Drug Release of Sulfadiazine from Electrospun Fibers
Published in Pharmaceutics (01-07-2023)“…This study reports the fabrication of polymeric matrices through electrospinning using polymethyl methacrylate (PMMA) and poly(lactic-co-glycolic acid) (PLGA),…”
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2
Determination of amylose content in starch using Raman spectroscopy and multivariate calibration analysis
Published in Analytical and bioanalytical chemistry (01-08-2010)“…Fourier transform Raman spectroscopy and chemometric tools have been used for exploratory analysis of pure corn and cassava starch samples and mixtures of both…”
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3
Revisiting the Raman Spectra of Carbonate Minerals
Published in Minerals (Basel) (01-11-2023)“…This work presents a new discussion about the vibrational properties of the carbonate ion displayed in several different environments. The microparameters…”
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4
Magnetic photocatalysts from δ-FeOOH and TiO2 and application in reactions for degradation of methylene blue and paracetamol with UV-C and sunlight
Published in Environmental science and pollution research international (01-08-2021)“…Water contamination is a common problem, especially considering dyes and drugs disposal. A possible and effective treatment method to remove these organic…”
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5
Raman Spectroscopic Study of Antioxidant Pigments from Cup Corals Tubastraea spp
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (15-05-2014)“…Chemical investigation of nonindigenous Tubastraea coccinea and T. tagusensis by Raman spectroscopy resulted in the identification of carotenoids and indolic…”
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6
Squaraines: Crystal Structures and Spectroscopic Analysis of Hydrated and Anhydrous Forms of Squaric Acid-Isoniazid Species
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (11-12-2014)“…The crystal structures, synthesis procedure, thermal behavior, and spectroscopic properties of a new squaraine SqINH·H2O and its anhydrous arrangement are…”
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7
The Diversity of Linear Conjugated Polyenes and Colours in Nature: Raman Spectroscopy as a Diagnostic Tool
Published in Chemphyschem (03-02-2021)“…This review is centered on the linear conjugated polyenes, which encompasses chromatic biomolecules, such as carotenoids, polyunsaturated aldehydes and…”
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Carotenes and carotenoids in natural biological samples: a Raman spectroscopic analysis
Published in Journal of Raman spectroscopy (01-06-2010)“…Raman spectroscopic studies of a range of naturally occurring carotenoids in over 50 specimens of plant tissue and a range of standard extracts have been…”
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9
Superabsorbent crosslinked carboxymethyl cellulose-PEG hydrogels for potential wound dressing applications
Published in International journal of biological macromolecules (01-01-2018)“…Superabsorbent crosslinked PEG-carboxymethyl cellulose hydrogels for potential treatment of wounds. [Display omitted] This study focused on the synthesis and…”
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10
DEVELOPMENT AND VALIDATION OF A METHODOLOGY FOR QUANTIFICATION OF WHEY PROTEIN FRACTIONS IN MICROPARTICULATE INGREDIENTS
Published in Química Nova (01-01-2025)“…Microparticulated whey protein can be used as a fat substitute in foods to enhance their nutritional value and improve their sensory and rheological…”
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11
Vibrational Analysis of Natural Rhodochrosites by Raman Spectroscopy
Published in Minerals (Basel) (01-07-2024)“…This study investigates an unusual behavior observed in the Raman spectra of natural rhodochrosites under ambient conditions and varying temperature and…”
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12
New Insight on the Structural Trends of Polyphosphate Coacervation Processes
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-06-2008)“…In this study new compositions of polyphosphate coacervates were obtained with the ions Ni2+ and Co2+. Samples of the glassy systems were prepared with…”
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13
Cytocompatibility and osteogenic differentiation of stem cells from human exfoliated deciduous teeth with cotton cellulose nanofibers for tissue engineering and regenerative medicine
Published in Journal of biomaterials science. Polymer ed. (01-04-2022)“…Cellulose nanofibers (CNFs) are natural polymers with physical-chemical properties that make them very attractive for modulating stem cell differentiation, a…”
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14
Control of properties of nanocomposites bio-based collagen and cellulose nanocrystals
Published in Cellulose (London) (01-04-2017)“…Collagen is an important biomaterial because it has many applications in the biomedical sector. However, the high hydrophilicity of collagen (COL) leads to…”
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Spectroscopic and Theoretical Study of the “Azo”-Dye E124 in Condensate Phase: Evidence of a Dominant Hydrazo Form
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (14-01-2010)“…Spectroscopic techniques, including Raman, IR, UV/vis, and NMR were used to characterize the samples of the azo dye Ponceau 4R (also known as E124, New…”
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16
Influence of sucrose reduction on fouling during the production of dulce de leche
Published in Journal of dairy research (01-11-2021)“…In this Research Communication we focus the food industry´s broad tendency to decrease sugar content in food products onto dulce de leche (DL) and examine the…”
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17
Raman spectroscopy as a tool in differentiating conjugated polyenes from synthetic and natural sources
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-01-2015)“…[Display omitted] •Pigments derived from polyenals were unequivocally identified by Raman spectroscopy.•Evaluation of differences and similarities between…”
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18
WATER VERSUS LACTOSE SOLUTION AS A DISPERSION MEDIUM FOR PARTICLE ANALYSIS IN SWEETENED CONDENSED MILK BY LASER DIFFRACTION
Published in Química Nova (01-08-2019)“…Sweetened condensed milk contains various dispersed particles, such as proteins, fats, and lactose, all of which make it highly viscous. During sweetened…”
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Cotton cellulose nanofiber/chitosan nanocomposite: characterization and evaluation of cytocompatibility
Published in Journal of biomaterials science. Polymer ed. (02-11-2019)“…Cellulose is a renewable polymer quite abundant on the Earth and very attractive for applications in the construction of eco-friendly biomedical products. The…”
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20
Eco-friendly and biocompatible cross-linked carboxymethylcellulose hydrogels as adsorbents for the removal of organic dye pollutants for environmental applications
Published in Environmental technology (17-11-2018)“…In this study, new eco-friendly hydrogel adsorbents were synthesized based on carboxymethylcellulose (CMC, degree of substitution [DS] = 0.7) chemically…”
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