Search Results - "Kunita, H"

Adsorption of methylene blue on activated carbon produced from flamboyant pods ( Delonix regia): Study of adsorption isotherms and kinetic models by Vargas, Alexandro M.M., Cazetta, André L., Kunita, Marcos H., Silva, Taís L., Almeida, Vitor C.

“…The adsorption of methylene blue (MB) onto activated carbon produced from flamboyant pods ( Delonix regia) and obtained under optimized conditions (AC op) was…”
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NaOH-activated carbon of high surface area produced from coconut shell: Kinetics and equilibrium studies from the methylene blue adsorption by Cazetta, André L., Vargas, Alexandro M.M., Nogami, Eurica M., Kunita, Marcos H., Guilherme, Marcos R., Martins, Alessandro C., Silva, Tais L., Moraes, Juliana C.G., Almeida, Vitor C.

“…► Use of NaOH as activating agent in the coconut activated carbon production. ► NaOH promotes the microporosity development of the char. ► Microporous…”
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Electrochemical Sensor Based on Multi-Walled Carbon Nanotubes and N-Doped TiO2 Nanoparticles for Voltametric Simultaneous Determination of Benserazide and Levodopa by da Silva, Elisangela Pacheco, Araujo, Mayara da Silva, Kunita, Marcos H., Matos, Roberto, Medeiros, Roberta Antigo

“…An electrochemical sensor for simultaneous determination of Benserazide (BEZ) and levodopa (L-dopa) was successfully developed using a glassy carbon electrode…”
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Smart hollow microspheres of chondroitin sulfate conjugates and magnetite nanoparticles for magnetic vector by Guilherme, Marcos R., Reis, Adriano V., Alves, Bruno R.V., Kunita, Marcos H., Rubira, Adley F., Tambourgi, Elias B.

“…Smart hollow microspheres composed of vinyled-chondroitin sulfate conjugates and magnetite nanoparticles were obtained by the intermediate of an oil–water…”
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Solid phase photopolymerization of pyrrole in poly(vinylchloride) matrix by Rinaldi, A.W., Kunita, M.H., Santos, M.J.L., Radovanovic, E., Rubira, A.F., Girotto, E.M.

“…Electrically conductive films were obtained by solid phase photopolymerization of pyrrole (Py) into a poly(vinylchloride) (PVC) matrix. We attempted to…”
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Grafting of glycidyl methacrylate onto polypropylene using supercritical carbon dioxide by Kunita, M.H., Rinaldi, A.W., Girotto, E.M., Radovanovic, E., Muniz, E.C., Rubira, A.F.

“…Free-radical grafting of glycidyl methacrylate (GMA) onto polypropylene (PP) films has been studied using supercritical carbon dioxide (SC-CO 2) as a solvent…”
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Synthesis of Silica by Pressured Carbonation and the Influence of CO2 Pressure on the Silica Properties by Winkler, Manuel E. G., da Silva, Elisangela P., Kunita, Marcos H., Rubira, Adley F.

“…In this work, a method of obtaining silica particles by pressured carbonation is reported. This process comprises the preparation of a silica gel from a…”
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Phase behavior and process parameters effects on the characteristics of precipitated theophylline using carbon dioxide as antisolvent by Franceschi, Elton, Kunita, Marcos H., Tres, Marcus V., Rubira, Adley F., Muniz, Edvani C., Corazza, Marcos L., Dariva, Cláudio, Ferreira, Sandra R.S., Oliveira, J. Vladimir

“…Microparticles of theophylline were recrystallized using the high-pressure antisolvent technique. A mixture of ethanol and dichloromethane with a volumetric…”
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Copper sulfide coated polysulfone films by Kunita, M.H., Rinaldi, A.W., Girotto, E.M., Radovanovic, E., Muniz, E.C., Rubira, A.F.

“…The modification of polysulfone surface was used to obtain effective interactions between an organic polymeric surface and an inorganic specie. A previous…”
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Thermal and scanning electron microscopy/energy-dispersive spectroscopy analysis of styrene-butadiene rubber-butadiene rubber/silicon dioxide and styrene-butadiene rubber-butadiene rubber/carbon black-silicon dioxide composites by Venter, S. A. S., Kunita, M. H., Matos, R., Nery, R. C., Radovanovic, E., Muniz, E. C., Girotto, E. M., Rubira, A. F.

“…Silica as a reinforcement filler for automotive tires is used to reduce the friction between precured treads and roads. This results in lower fuel consumption…”
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Phase Behavior of Binary and Ternary Systems Involving Carbon Dioxide, Propane, and Glycidyl Methacrylate at High Pressure by Franceschi, Elton, Kunita, Marcos H, Rubira, Adley F, Muniz, Edvani Curti, Corazza, Marcos L, Oliveira, J. Vladimir, Dariva, Cláudio

“…This work reports experimental phase equilibrium data of binary and ternary systems involving carbon dioxide, propane, and glycidyl methacrylate (GMA). Phase…”
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Deposition of copper sulfide on modified low-density polyethylene surface: morphology and electrical characterization by Kunita, M.H, Girotto, E.M, Radovanovic, E, Gonçalves, M.C, Ferreira, O.P, Muniz, E.C, Rubira, A.F

“…The modification of polyethylene surface has been used to obtain better interaction between organic polymeric surfaces and inorganic species. A previous…”
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Production of microparticles of PHBV polymer impregnated with progesterone by supercritical fluid technology by Giufrida, Willyan Machado, Voll, Fernando A., Feihrmann, Andresa Carla, Kunita, Marcos H., Madureira, Ed H., Guilherme, Marcos R., Vedoy, Diógenes R. L., Cabral, Vladimir F., Cardozo-Filho, Lúcio

“…This work reports the synthesis of particles based on poly(3‐hydroxybutirate‐co‐3‐hydroxyvalerate) (PHBV) polymer that were impregnated with progesterone. The…”
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Stochastic flows acting on Schwartz distributions by Kunita, H.

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Synthesis and characterization of a pH-responsive poly(ethylene glycol)-based hydrogel: acid degradation, equilibrium swelling, and absorption kinetic characteristics by Tenório-Neto, Ernandes T., Guilherme, Marcos R., Lima-Tenório, Michele K., Scariot, Débora B., Nakamura, Celso V., Rubira, Adley F., Kunita, Marcos H.

“…We developed a pH-responsive, hydrogel based on poly(ethylene glycol) (PEG) covalently cross-linked with acrylic acid and N′,N′ -dimethylacrylamide along with…”
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Synthesis and characterization of silver nanoparticle nanocomposite thin films with thermally induced surface morphology changes by Tenório-Neto, Ernandes T., Guilherme, Marcos R., Winkler, Manuel E.G., Cardozo-Filho, Lucio, Beneti, Stéphani C., Rubira, Adley F., Kunita, Marcos H.

“…This work describes the preparation of thin film nanocomposites of silver nanoparticles (AgNPs) embedded in a copolymer matrix of poly(ethylene glycol)…”
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Designing nanostructured microspheres with well-defined outlines by mixing carboxyl-functionalized amylose and magnetite via ultrasound by Mauricio, Marcos R., Guilherme, Marcos R., Kunita, Marcos H., Muniz, Edvani C., Rubira, Adley F.

“…[Display omitted] ► Magnetite-nanostructured amylose microspheres were developed in 30s. ► The spheres were formed at the interior of the oil-confined water…”
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Solid-state radical grafting reaction of glycidyl methacrylate and poly(4-methyl-1-pentene) in supercritical carbon dioxide: Surface morphology and adhesion by Kunita, Marcos H., Guilherme, Marcos R., Filho, Lucio C., Muniz, Edvani C., Franceschi, Elton, Dariva, Claudio, Rubira, Adley F.

“…Solid-state radical grafting of glycidyl methacrylate onto poly(4-methyl-1-pentene) was performed using supercritical CO2. The grafting and morphology were…”
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Porous nanocomposite hydrogel of vinyled montmorillonite-crosslinked maltodextrin-co-dimethylacrylamide as a highly stable polymer carrier for controlled release systems by Guilherme, Marcos R., Fajardo, André R., Moia, Thais A., Kunita, Marcos H., Gonçalves, Maria do Carmo, Rubira, Adley F., Tambourgi, Elias B.

“…Nanocomposite hydrogel consisting of dispersed montmorillonite-crosslinked maltodextrin-co-dimethylacrylamide (malt-dex-co-DMAAm) as a highly stable device was…”
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scCO2-based synthesis of semi-crystalline TiO2 nanoparticles: A rapid and direct strategy by Da Silva, Elisangela P., Guilherme, Marcos R., Tenório-Neto, Ernandes T., Rubira, Adley F., Kunita, Marcos H., Cardozo-Filho, Lucio, Alonso, Christian G.

“…This work describes a rapid and direct synthesis strategy for semi-crystalline TiO2 nanoparticles by scCO2 antisolvent expansion of sol–gel precursor. The…”
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