Search Results - "Oréfice, R L"

Aluminosilicate nanofibers with ordered pores derived from block copolymer electrospun nanofibers by Dorneles, M. F., Oréfice, R. L.

“…ABSTRACT The self‐assembling phenomenon of block copolymers (BCPs) can be used to spatially organize inorganic entities to create chemical patterns that can be…”
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Design, characterization and preliminary in vitro evaluation of a mucoadhesive polymer based on modified pectin and acrylic monomers with potential use as a pharmaceutical excipient by Villanova, J.C.O., Ayres, E., Oréfice, R.L.

“…•Mucoadhesive polymers based on modified pectin were prepared.•Acrylic lattices without organic solvents were produced by emulsion polymerization.•In vitro…”
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Nanotechnology meets immunology towards a rapid diagnosis solution: the COVID-19 outbreak challenge by B S A S, Santos, J L R, Cunha, I C, Carvalho, J M C, Costa, B C, Longo, G C F, Galinari, P H S M, Diniz, G M M, Mendes, F G, Fonseca, J S, Abrahão, A A P, Mansur, M F, Leite, R L, Oréfice, Z I P, Lobato, H S, Mansur

“…The current COVID-19 pandemic presents one of the greatest challenges in human history. There is a consensus that the rapid and accurate diagnosis of COVID-19…”
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Papain wound dressings obtained from poly(vinyl alcohol)/calcium alginate blends as new pharmaceutical dosage form: Preparation and preliminary evaluation by Dutra, J.A.P., Carvalho, S.G., Zampirolli, A.C.D., Daltoé, R.D., Teixeira, R.M., Careta, F.P., Cotrim, M.A.P., Oréfice, R.L., Villanova, J.C.O.

“…[Display omitted] •A new dosage form containing papain for use as wound dressing was developed.•Blends based on PVA and AlgCa as biomaterial for topical use…”
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The morphology and phase mixing studies on poly(ester–urethane) during shape memory cycle by Pereira, I. M., Oréfice, R. L.

“…Three series of shape memory poly(ester–urethane) with varying hard-segment contents were synthesized. The materials were designed to display a three-phase…”
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Pharmaceutical acrylic beads obtained by suspension polymerization containing cellulose nanowhiskers as excipient for drug delivery by Villanova, J.C.O., Ayres, E., Carvalho, S.M., Patrício, P.S., Pereira, F.V., Oréfice, R.L.

“…SEM of pharmaceutical pure acrylic beads (a) and beads containing cellulose nanowhiskers (b). The presence of CNW as co-stabilizer affected positively the size…”
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Design of prolonged release tablets using new solid acrylic excipients for direct compression by Villanova, J.C.O., Ayres, E., Oréfice, R.L.

“…Photos of the PECB excipient and the tablets of formulations 8 containing 64% w/w PECB beads as excipient after a 12-h dissolution test. The tablets remained…”
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In vivo tests of a novel wound dressing based on biomaterials with tissue adhesion controlled through external stimuli by Ignacio, C., Barcellos, L., Ferreira, M. D., Moura, S. A. L., Soares, I. A., Oréfice, R. L.

“…The high incidence of wounds by second intention and the high costs associated with their treatment give rise to the need for the development of wound…”
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Biomaterial with chemically engineered surface for protein immobilization by Mansur, H S, Oréfice, R L, Vasconcelos, W L, Lobato, Z P, Machado, L J C

“…The last 3 decades have been a revolution in the area of sol-gel-derived materials. They can be used to encapsulate biomolecules such as enzymes, antibodies,…”
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The effect of light-curing access and different resin cements on apical bond strength of fiber posts by Daleprane, B, Nemesio de Barros Pereira, C, Oréfice, R L, Bueno, A C, Vaz, R R, Moreira, A N, Magalhães, C S

“…This study evaluated the effect of light-curing access on the bond strength of fiber glass posts to the apical area of bovine roots using self-adhesive cement…”
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Influence of the power density on the kinetics of photopolymerization and properties of dental composites by Neves, A. D., Discacciati, J. A. C., Oréfice, R. L., Yoshida, M. I.

“…Polymer shrinkage during photopolymerization of dimethacrylate monomers, used for many years to produce materials for dental restoration, can induce either the…”
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Using the Nanostructure of Segmented Polyurethanes as a Template in the Fabrication of Nanocomposites by Oréfice, R. L, Ayres, E, Pereira, M. M, Mansur, H. S

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In situ evaluation of structural changes in poly(ester-urethanes) during shape-memory cycles by Pereira, I.M., Oréfice, R.L.

“…The relationship between shape-memory behavior and structure was studied using three series of poly(ester-urethanes) with varying amounts of hard segment. The…”
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Preparation of bioactive glass-polyvinyl alcohol hybrid foams by the sol-gel method by Pereira, M M, Jones, J R, Orefice, R L, Hench, L L

“…A new class of materials based on inorganic and organic species combined at a nanoscale level has received large attention recently. In this work the idea of…”
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Antiangiogenic activity of a bevacizumab-loaded polyurethane device in animal neovascularization models by Ferreira, A.E.R., Castro, B.F.M., Vieira, L.C., Cassali, G.D., Souza, C.M., Fulgêncio, G.O., Ayres, E., Oréfice, R.L., Jorge, R., Silva-Cunha, A., Fialho, S.L.

“…To evaluate the antiangiogenic activity of bevacizumab-loaded polyurethane using two animal models of neovascularization. The percentage of blood vessels was…”
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Acrylic polymers derived from high solid emulsions as excipients to pharmaceutical applications: synthesis and characterization by Villanova, J. C. O., Ayres, E., Reis, M. O., Oréfice, R. L.

“…Novel polymeric excipients need to be designed to allow for the controlled delivery of many drugs to treat a variety of diseases. In this work, two polymers…”
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Porcelain tile surface modification with isocyanate coupling agent: interactions between EVA modified mortar and silane improving adherence by Mansur, A. A. P., Nascimento, O. L. do, Oréfice, R. L., Mansur, H. S.

“…Adhesion between tiles and mortar is of paramount importance to the overall stability of ceramic tile systems. The interfaces between ceramic tiles and…”
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Processing, adhesion and electrical properties of silicon steel having non-oriented grains coated with silica and alumina sol-gel by VASCONCELOS, D. C. L, OREFICE, R. L, VASCONCELOS, W. L

“…Silicon steels having non-oriented grains are usually coated with a series of inorganic or organic films to be used in electrical applications. However, the…”
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Effect of the degree of clay delamination on the phase morphology, surface chemical aspects, and properties of hydrolyzable polyurethanes for periodontal regeneration by Pereira, I.M, Carvalho, S, Pereira, M.M, Leite, M.F, Oréfice, R.L

“…In recent years, there has been increased interest in biodegradable polyurethanes for use in regenerative medicine because of their versatility and…”
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Effect of the crystallization of bioactive glass reinforcing agents on the mechanical properties of polymer composites by Peitl, O., Oréfice, R.L., Hench, L.L., Brennan, A.B.

“…Polymer composites based on the introduction of bioactive materials into polymer matrices can combine mechanical with bioactive properties suitable for many…”
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