Search Results - "Mano, Valdir"

Influence of cellulose nanowhiskers on the hydrolytic degradation behavior of poly( d, l-lactide) by Luiz de Paula, Everton, Mano, Valdir, Pereira, Fabiano Vargas

“…This paper reports the preparation of bionanocomposites based on poly( d, l-lactide) and cellulose nanowhiskers (PDLLA/CNWs) and studies the influence of the…”
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Effect of surface-grafted cellulose nanocrystals on the thermal and mechanical properties of PLLA based nanocomposites by de Paula, Everton Luiz, Roig, Frédéric, Mas, André, Habas, Jean-Pierre, Mano, Valdir, Pereira, Fabiano Vargas, Robin, Jean-Jacques

“…[Display omitted] •Cellulose nanocrystals grafted with polylactide chains.•Crystallinity preserved after surface grafting in solvent-free process.•Grafted…”
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NANO-ENCAPSULATION OF Lippia origanoides KUNTH. ESSENTIAL OIL BY CHITOSAN-CAFFEIC ACID NANOGEL by Damasceno, Elisa, Almeida, Regiamara, Carvalho, Stephanne, Vieira, Sara, Mano, Valdir, Guimarães, Luiz

“…In this study, a nanogel was developed from a natural polymer, chitosan, to be used in the Lippia origanoides essential oil encapsulation. The encapsulation…”
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HYDROLYTIC DEGRADATION BEHAVIOR OF PLLA NANOCOMPOSITES REINFORCED WITH MODIFIED CELLULOSE NANOCRYSTALS by Paula, Everton Luiz de, Mano, Valdir, Duek, Eliana Aparecida Rezende, Pereira, Fabiano Vargas

“…Bionanocomposites derived from poly(L-Lactide) (PLLA) were reinforced with chemically modified cellulose nanocrystals (m-CNCs). The effects of these modified…”
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Preparação, caracterização e estudos de biodegradação de blendas à base de PDLLA e PVP by Paula, Everton Luiz de, Mano, Valdir

“…Poly(D,L-lactide), PDLLA, is a polymer with potential applications in medical, environmental, and pharmaceutical areas. Despite its versatility, the…”
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Bioartificial polymeric materials based on collagen and poly(N-isopropylacrylamide) by Mano, Valdir, Ribeiro e Silva, Maria Elisa Scarpelli

“…Films of collagen (CLG) and poly(N-isopropylacrylamide), PNIPAAm, were prepared by casting from water solutions. These bioartificial polymeric materials were…”
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Preparation and thermal study of polymers derived from acrylamide by Silva, Maria Elisa S.R.e, Dutra, Eider R., Mano, Valdir, Machado, José C.

“…Polyacrylamide (PAA) and some of its N-alkyl substituted derivatives have been synthesised and characterised using thermal analysis. Thermal stability was…”
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Polyaniline-deposited cellulose fiber composite prepared via in situ polymerization: enhancing adsorption properties for removal of meloxicam from aqueous media by Avelar Dutra, Flávia Viana, Pires, Bruna Carneiro, Nascimento, Tienne Aparecida, Mano, Valdir, Borges, Keyller Bastos

“…Polyaniline (PAni), cellulose fiber (CF) and a PAni-CF composite, which were characterized by infrared spectroscopy, scanning electron microscopy and…”
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Effects of sodium carbonate on the performance of epoxy and polyester coir-reinforced composites by dos Santos, Júlio Cesar, Siqueira, Renato Luiz, Vieira, Luciano Machado Gomes, Freire, Rodrigo Teixeira Santos, Mano, Valdir, Panzera, Túlio Hallak

“…Surface modification induced by sodium carbonate on coir fibres was studied in view of its application as a reinforcing agent in polyester and epoxy polymer…”
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Development and Application of a Voltammetric Biosensor Based on Polypyrrole/uricase/graphene for Uric Acid Determination by de Fátima Giarola, Juliana, Mano, Valdir, Pereira, Arnaldo César

“…In the present paper a voltammetric biosensor based on platinum electrode and polypyrrole / uricase / graphene composite, named Pt‐PPy/UOx/Grap has been…”
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Eco-friendly sodium bicarbonate treatment and its effect on epoxy and polyester coir fibre composites by Santos, Júlio C. dos, Oliveira, Lívia Á. de, Gomes Vieira, Luciano M., Mano, Valdir, Freire, Rodrigo T.S., Panzera, Túlio H.

“…•NaHCO3 treatment contributes to increase fibre density, stiffness and reduce thermal stability.•Epoxy composites achieve higher tensile and flexural strength…”
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Lippia origanoides Kunth. essential oil loaded in nanogel based on the chitosan and ρ-coumaric acid: Encapsulation efficiency and antioxidant activity by Silva Damasceno, Elisa Tatiana, Almeida, Regiamara Ribeiro, de Carvalho, Stephanne Yonara Barbosa, de Carvalho, Gustavo Senra Gonçalves, Mano, Valdir, Pereira, Arnaldo César, de Lima Guimarães, Luiz Gustavo

“…[Display omitted] •Chitosan linked to ρ-coumaric acid nanogels encapsulate essential oil.•Nanogel containing essential oil has nanometric particles in aqueous…”
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Hybrid composites based on sisal fibers and silica nanoparticles by Vieira, Luciano Machado Gomes, Santos, Júlio Cesar dos, Panzera, Túlio Hallak, Christoforo, André Luiz, Mano, Valdir, Campos Rubio, Juan Carlos, Scarpa, Fabrizio

“…The progress in establishing new classes of biocomposites has led to potential applications in the automotive, aerospace, and construction industries because…”
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P(CL-b-LLA) diblock copolymers grafting onto cellulosic nanocrystals by Mano, Valdir, Chimenti, Stefano, Ruggeri, Giacomo, Pereira, Fabiano Vargas, de Paula, Everton Luiz

“…Cellulose nanocrystals (CNCs) have attracted growing interest as a reinforcement agent in polymer matrices thanks to their biodegradability and excellent…”
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Corrigendum to “Effects of sodium carbonate on the performance of epoxy and polyester coir-reinforced composites” [Polym. Test. 67 (2018) 533-544] by dos Santos, Júlio Cesar, Siqueira, Renato Luiz, Vieira, Luciano Machado Gomes, Freire, Rodrigo Teixeira Santos, Mano, Valdir, Panzera, Túlio Hallak

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Glycolysis of poly(3-hydroxybutyrate) via enzyme catalysis by Paula, Everton Luiz de, Campos, Tiago Ferreira, Mano, Valdir

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BIO-BASED NANOCOMPOSITES OBTAINED BY INCORPORATION OF CELLULOSE NANOCRYSTALS INTO BIODEGRADABLE POLYMERS THROUGH CASTING, LAYER-BY-LAYER OR ELECTROSPINNING METHODS by Pereira, Fabiano Vargas, Paula, Everton Luiz de, Mesquita, João Paulo de, Lucas, Alessandra de Almeida, Mano, Valdir

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Glicólise do poli(3-hidroxibutirato) por via enzimática by Everton Luiz de Paul, Tiago Ferreira Campos, Valdir Mano

“…Poly(3-hydroxybutyrate), PHB, is a polymer with broad potential applications because of its biodegradability and biocompatibility. However, its high…”
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Synthesis and characterization of semi-interpenetrating networks based on poly(dimethylsiloxane) and poly(vinyl alcohol) by Marques, Rosalva S, Mac Leod, Tatiana C.O, Yoshida, Inez Valéria Pagotto, Mano, Valdir, Assis, Marilda D, Schiavon, Marco A

“…Semi-interpenetrating networks (Semi-IPNs) with different compositions were prepared from poly(dimethylsiloxane) (PDMS), tetraethylorthosilicate (TEOS), and…”
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Binary blends based on poly(N-isopropylacrylamide): Miscibility studies with PVA, PVP, and PAA by Mano, Valdir, Ribeiro E Silva, Maria Elisa Scarpelli, Barbani, Niccoletta, Giusti, Paolo

“…Blends of poly(vinyl alcohol) (PVA), poly(acrylic acid), (PAA), and poly(vinyl pyrrolidone) (PVP), with poly(N‐isopropylacrylamide) (PNIPAM), were prepared by…”
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