Search Results - "Almeida, Yeda M.B."

Influence of morphology and dispersion stability of CNC modified with ethylene oxide derivatives on mechanical properties of PLA‐based nanocomposites by Góis, Gelsoneide S., Nepomuceno, Neymara C., França, Carlos H.A., Almeida, Yeda M.B., Hernandéz, Eduardo P., Oliveira, Juliano E., Oliveira, Mauricio P., Medeiros, Eliton S., Santos, Amélia S.F.

“…The aggregation state of cellulose nanocrystals modified with surfactants (CNC/S) in water and CNC/S powder dispersion stability in chloroform were studied and…”
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Effect of plasticizers on a PVC sensing phase for evaluation of water contamination by aromatic hydrocarbons and fuels using infrared spectroscopy by Silva, Andréa Monteiro Santana, Pimentel, Maria Fernanda, Raimundo, Ivo M., Almeida, Yeda M.B.

“…The effects of di-2-ethylhexylsebacate (DOS), di-2-ethylhexylphthalate (DOP) and 2-nitro-phenyl-octylether (NPOE) plasticizers on a PVC sensing phase for…”
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Thermal behavior of polyethylene terephthalate/organoclay nanocomposites: investigating copolymers as matrices by Lima, Juliana C., Costa, Anna Raffaela M., Sousa, Jokderléa C., Arruda, Salim A., Almeida, Yêda M. B.

“…Polyethylene terephthalate (PET)/clay nanocomposites have been widely studied. However, different PET copolymers are also produced in large scale but not…”
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Polycaprolactone (PCL)/alumina and PCL/niobium pentoxide composites: Rheology, crystallization, and mechanical properties by Sousa, Jokderléa C., Costa, Anna Raffaela M., Lima, Juliana C., Arruda, Salim A., Almeida, Yêda M. B., Canedo, Eduardo L.

“…Polymeric polycaprolactone (PCL) matrix composites reinforced with alumina and niobium pentoxide were prepared in a laboratory internal mixer and studied by…”
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Polycaprolactone matrix composites reinforced with brown coir: Rheological, crystallization, and mechanical behavior by Lima, Juliana C., Sousa, Jokderléa C., Arruda, Salim A., Almeida, Yêda M.B., Canedo, Eduardo L.

“…Polycaprolactone matrix composites reinforced with natural and chemically treated coir were prepared in a laboratory internal mixer and studied by differential…”
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Radiolytic degradation and stabilization of poly(vinyl chloride) by Vinhas, Glória M, Souto Maior, Rosa M, de Almeida, Yêda M.B

“…Medical products, food packaging and pharmaceutical products all made with poly(vinyl chloride) (PVC) can suffer degradation when they go through sterilization…”
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Mechanical, microstructural and energetic evaluation of conventional and one-part alkali-activated mixtures with raw sugarcane bagasse ash by Lima, Victor M.E., Estolano, Amanda M.L., Almeida, Yeda M.B., Henrique, Mariana A., Araújo, Fernanda W.C., Melo Neto, Antonio A.

“…•A new strategy for one-part mixtures activated by sodium metasilicate is suggested.•The use of 10% unground SBA improved the compressive strength at early…”
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Utilizing green zinc oxide nanoparticles as a sensing platform for ascorbic acid by Leal, Andressa N.R., Brandão, Winnie Q., de Aguiar, Maurício F., Kór, Dionísio G., França, Emanoel L.T., de Melo, Celso P., de Almeida, Yeda M.B.

“…We prepared zinc oxide nanoparticles (ZnO NPs) via a green synthesis and used them for the fluorescence sensing of ascorbic acid (AA). For obtaining these…”
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Production of bacterial cellulose biopolymers in media containing rice and corn hydrolysate as carbon sources by de Souza, Karina C, dos Santos, Gabriela R, Trindade, Felipe CS, S Costa, Andréa Fernanda de, de Almeida, Yeda MB, Sarubbo, Leonie A, Vinhas, Glória M

“…Bacterial cellulose (BC) is a promising option for ecologically viable processes. In this work, BC was produced using starch hydrolysate (rice and corn flakes)…”
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Evaluation of a PVC sensing phase for determination of chlorinated hydrocarbons in water by mid-infrared spectroscopy by Silva, Andréa Monteiro S., Viana, Eduardo de Araujo, Pimentel, Maria Fernanda, Almeida, Yeda M. B., Raimundo Jr, Ivo M.

“…In this work, mid-infrared spectroscopy has been employed to investigate the effect of amount (25 or 40%) and type of plasticiser (di-2-ethylhexyl sebacate…”
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A PVC sensing phase for determination of BTEX in water employing mid-infrared spectroscopy by Silva, Andréa Monteiro Santana, Pimentel, Maria Fernanda, Raimundo, Ivo M., Almeida, Yeda M.B.

“…The evaluation of PVC films, cast with 2-(2-hydroxy-5- tert-octylphenyl)benzotriazol (Tinuvin) as stabiliser (0.3%) and di-2-ethylhexyl phthalate (DOP) as…”
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Crystallization kinetics modeling, thermal properties and biodegradability of poly (ε-caprolactone)/niobium pentoxide and alumina compounds by Sousa, Jokderléa C., Costa, Anna Raffaela M., Lima, Juliana C., Arruda, Salim A., Almeida, Yêda M. B.

“…Biocomposites based on poly (caprolactone) (PCL) incorporating different contents of niobium pentoxide (Nb 2 O 5 ) and alumina (Al 2 O 3 ) were prepared in a…”
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Thermal and Rheological Characterization of Recycled PET/Virgin HDPE Blend Compatibilized with PE-g-MA and an Epoxy Chain Extender by Santos, Raquel M, Costa, Anna R M, Almeida, Yêda M B, Carvalho, Laura H, Delgado, João M P Q, Lima, Elisiane S, Magalhães, Hortência L F, Gomez, Ricardo S, Leite, Boniek E, Rolim, Fagno D, Figueiredo, Maria J, Lima, Antonio G B

“…In this work, recycled poly(ethylene terephthalate) (PETR) was blended with virgin high-density polyethylene (HDPE) in an internal mixer in an attempt to…”
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Model-free non-isothermal crystallization kinetics of poly(3-hydoxybutyrate) filled with carbon black by Ries, Andreas, Canedo, Eduardo L., Monteiro, Alceu E.G., de Almeida, Yêda M.B., Wellen, Renate M.R.

“…Non-isothermal crystallization kinetics of poly(3-hydoxybutyrate) (PHB) filled with different amounts of carbon black (CB) was investigated by differential…”
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Evaluation of photodegradation in LDPE/modified starch blends by Ferreira, Flávia G. D., Lima, Maria A. G. A., Almeida, Yêda M. B., Vinhas, Glória M.

“…Photodegradation of LDPE/modified starch blends 80/20 m/m has been examined by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy…”
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Monitoring structural features, biocompatibility and biological efficacy of gamma-irradiated methotrexate-loaded spray-dried microparticles by de Oliveira, Alice R., Mesquita, Philippe C., Machado, Paula R.L., Farias, Kleber J.S., de Almeida, Yêda M.B., Fernandes-Pedrosa, Matheus F., Cornélio, Alianda M., do Egito, Eryvaldo Sócrates T., da Silva-Júnior, Arnóbio A.

“…In this study, biodegradable and biocompatible gamma irradiated poly-(dl-lactide-co-glycolide) (PLGA) spray-dried microparticles were prepared aiming to…”
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A Biodegradabilidade da Blenda de Poli(b-Hidroxibutirato-co-Valerato)/Amido Anfótero na Presença de Microrganismos by Nadjane S. Coelho, Yêda M. B. Almeida, Glória M. Vinhas

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