Search Results - "Bortoluzzi, Janaína"

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    Studies on Inter- and Transesterification: Different Oils with the Same Fatty Acid Composition and Their Reaction Behaviors by de Melo, Lucas Natã, Santana, Letícia Amaral, da Rocha, Paulo Felisberto, Meneghetti, Simoni Margareti Plentz, Meneghetti, Mario Roberto, Bortoluzzi, Janaína Heberle

    Published in Energy & fuels (21-05-2020)
    “…In this work, studies of the transesterification using sodium hydroxide as a catalyst of mixtures of soybean oil/coconut oil (SO/CNO) and soybean oil/castor…”
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    Evaluation of Esterification of Oleic Acid and Glycerol in the Presence of Organotin(IV) Compounds by da Silva, Mônica A., dos Santos, Anderson S. S., Neto, Antonio J. S., Giertyas, Cristian J., Bortoluzzi, Janaína H., Meneghetti, Mario R., Plentz Meneghetti, Simoni M.

    “…Esterification of oleic acid (OA) and glycerol (GLY) is studied in the absence and in the presence of the organotin(IV) catalysts (CAT) dibutyltin dichloride…”
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    Atomic Absorption Spectrometry as an Alternative to Determine the Presence of Gold Nanoparticles on or in Silica Matrix by Giertyas, Cristian, Silva, Victor, de Oliveira, Maria, Freire, Emerson, Santos, Josué, de Almeida, Rusiene, Meneghetti, Mario, Bortoluzzi, Janaína

    Published in Journal of the Brazilian Chemical Society (01-04-2022)
    “…Two different gold-silica-based nanomaterials were prepared: (i) silica-supported gold nanoparticles (AuNP/SiO2); and (ii) gold-silica core-shell nanoparticles…”
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    Investigation of glycerol acetylation in the presence of Sb catalysts by Altino, Felyppe M. R. S., da Silva, Débora S., Bortoluzzi, Janaína H., Meneghetti, Simoni M. P.

    Published in Biomass conversion and biorefinery (01-02-2023)
    “…In this study, antimony complexes (SbCl 5 and SbCl 3 ) were investigated as catalysts in glycerol (GLY) esterification with acetic acid (AA), compared to Sb 2…”
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    Determination of Alkyl Esters Content by Gas Chromatography: Validation of Method Based on Short Column and Response Factor by Silva, Filipe, Melo, Lucas, Wolf, Carlos, Meneghetti, Simoni, Bortoluzzi, Janaína

    Published in Journal of the Brazilian Chemical Society (01-06-2018)
    “…In this study an analytical method, based on gas chromatography with flame ionization detection, using a short column and response factor (GCSCRF), was…”
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    IMPROVEMENT OF AN ANALYTICAL METHOD BASED ON HPLC WITH REFRACTIVE INDEX DETECTION FOR THE ANALYSIS OF GLYCEROL OXIDATION PRODUCTS by Giertyas, Cristian, Silva, Débora, Silva, Camila, Meneghetti, Mario, Meneghetti, Simoni, Almeida, Rusiene, Bortoluzzi, Janaína

    Published in Química Nova (01-08-2019)
    “…The optimized analytical methodology described herein is based on an ion exchange column and an H3PO4 solution (pH 2.24) as the mobile phase, with a flow rate…”
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    Investigation of Sn(IV) catalysts in glycerol acetylation by da Silva, Débora S., Altino, Felyppe M.R.S., Bortoluzzi, Janaína H., Meneghetti, Simoni M.P.

    Published in Molecular catalysis (01-10-2020)
    “…[Display omitted] •Sn(IV) catalysts were investigated in the acetylation of glycerol (GLY).•Catalysts bearing chlorine substituents provided the best…”
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    Uso da cromatografia gasosa bidimensional abrangente (GC×GC) na caracterização de misturas biodiesel/diesel: aplicação ao biodiesel de sebo bovino by Moraes, Maria Silvana A, Zini, Claudia A, Gomes, Carolina B, Bortoluzzi, Janaína H, Mühlen, Carin von, Caramão, Elina B

    Published in Química Nova (2011)
    “…The growth of biodiesel market and the implementation of regulations related to biodiesel production and biodiesel/diesel blending has encouraged the…”
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    Study of correlations between composition and physicochemical properties during methylic and ethylic biodiesel synthesis by da Silva, Filipe Lins, do Nascimento, Jeilma Rodrigues, de Melo, Lucas Natã, de Freitas, José Anderson Silva, Bortoluzzi, Janaína Heberle, Meneghetti, Simoni Margareti Plentz

    Published in Industrial crops and products (01-01-2017)
    “…•Density and viscosity were determined for samples simulating process.•Correlations between physicochemical parameters and composition were established.•Wasted…”
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    Solid phase microextraction to concentrate volatile products from thermal degradation of polymers by Bortoluzzi, Janaina H., Pinheiro, Eduardo A., Carasek, Eduardo, Soldi, Valdir

    Published in Polymer degradation and stability (01-07-2005)
    “…Solid phase microextraction (SPME) was used to analyse the products evolved in the thermal degradation of polypropylene (PP) which was used as a model polymer…”
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    Analysis of volatile compounds released from flowers and roots of Polygala cyparissias and Polygala paniculata by headspace/SPME by Pizzolatti, Moacir G, Mendes, Beatriz G, Soldi, Cristian, Missau, Fabiana C, Bortoluzzi, Janaina H, Carasek, Eduardo

    Published in The Journal of essential oil research (01-05-2009)
    “…Static headspace/SPME volatiles from flowers and roots of the two Polygala species were analyzed by GC/MS. Methyl salicylate (89.1% and 97.8%) was found as the…”
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    Thermal immobilization of poly(butylacrylate) on glass-ceramic rod for preparation of solid phase microextraction fibers by MATOS DE SOUZA, Michelle, HEBERLE BORTOLUZZI, Janaina, CARASEK, Eduardo

    Published in Mikrochimica acta (1966) (01-10-2006)
    “…The efficiency of a glass-ceramic rod as a base for the preparation of SPME fibers using thermal immobilization was investigated. Glass-ceramic and fused…”
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