Artigo

Phototoxic effect of curcumin on methicillin-resistant Staphylococcus aureus and L929 fibroblasts

28 de setembro de 2012 CDMF 0

Writers: Ana Paula Dias Ribeiro; Ana Cláudia Pavarina; Livia Nordi Dovigo; Iguatemy Lourenço Brunetti; Vanderlei Salvador Bagnato; Carlos Eduardo Vergani; Carlos Alberto de Souza Costa Keywords: MRSA; Photodynamic therapy; Curcumin; Fibroblasts Abstract: Photodynamic therapy has been investigated as an alternative method of killing pathogens in response to the multiantibiotic resistance problem. […]

Tetragonal to monoclinic phase transition observed during Zr anodisation

21 de setembro de 2012 CDMF 0

Writers: Francisco Trivinho-Strixino; Donizete X. da Silva; Carlos O. Paiva-Santos; Ernesto C. Pereira. Keywords: Valvemetals; ZrO2; Anodicfilms; Anodic breakdown; Microstructure; Phasetransformation; Plasma electrolyticoxidation(PEO) Abstract: Plasma electrolytic oxidation (PEO) is a coating procedure that utilises anodic oxidation in aqueous electrolytes above the dielectric breakdown […]

Comparison of the nanoparticles performance in the photocatalytic degradation of a styrenebutadiene rubber nanocomposite

29 de julho de 2012 Rose Portasio 0

Writers: Tatiane M. Arantes, Renata L. Sala, Edson R. Leite, Elson Longo, Emerson R. Camargo Keywords: degradation; nanocomposites; colloids; rubber; nanoparticles; nanowires; nanocrystals Abstract: Much has been talking about the advantages of polymeric nanocomposites, but little is known […]

Structural and Magnetic Properties of Ln2CoMnO6(Ln=Dy and La) Produced by Combustion Synthesis

27 de julho de 2012 CDMF 0

Writers: Pedro Linhares C. Filho; Petrucio Barrozo; D. A. Landinez-Tellez; R. F. Jardim; W. M. Azevedo; J. Albino Aguiar Keywords: Combustion synthesis; Ferromagnetic materials; X-ray powder diffraction; Perovskite; Manganite Abstract: In this article, the structural and magnetic properties of the Ln2MnCoO6 (Ln=La and Dy) produced by the combustion method are reported. […]

Influence of compatibilizer content on PANBR blends properties Unusual characterization and evaluation methods

26 de abril de 2012 CDMF 0

Writers: A. C. O. Gomes; B. G. Soares; M. G. Oliveira; L. A. Pessan; C. M. Paranhos Keywords: PA; NBR; compatibilization; rheology; PVT; creep; morphology Abstract: NBR/PA6 blends were prepared at the melt state and […]

Multiscale Fractal Descriptors Applied to Nanoscale Images

28 de fevereiro de 2012 CDMF 0

Writers: João B. Florindo; Mariana S. Sikora; Ernesto C. Pereira; and Odemir M. Bruno Keywords: Porous titanium oxide; Nanomaterials; Pattern recognition; Fractal dimension; Fractal descriptors Abstract: This work proposes the application of fractal descriptors to the analysis of nanoscale materials under different experimental conditions. We obtain descriptors […]

Sonochemical Synthesis and Magnetism in Co-doped ZnO Nanoparticles

27 de fevereiro de 2012 CDMF 0

Writers: Larisa B. Arruda; Douglas M. G. Leite; Marcelo O. Orlandi; Wilson A. Ortiz; Paulo Noronha Lisboa-Filho Keywords: Dilute magnetic semiconductors; Co-doped zinc oxide; Magnetism Abstract: The understanding and control of ferromagnetism in diluted magnetic semiconducting oxides (DMO) is a special challenge in solid-state physics and materials science […]

Magnetic and Structural Characterization of IrO2 and Co:IrO2 Samples Synthesized via Pechini Method

29 de janeiro de 2012 CDMF 0

Writers: D. Von Dreifus; A.J.A. de Oliveira; A.V. do Rosario; E.C. Pereira Keywords: Iridium dioxide; Cobalt doped iridium oxide; Pechini method Abstract: Diluted Magnetic Oxide Semiconductors (DMOS) are oxides that combine two important properties for […]

Electroinduction of Peculiar Space-Charge Regions in Fully-Glassy Lead Oxyfluoroborate Materials Discerned from Impedance Spectroscopy

17 de janeiro de 2012 Rose Portasio 0

Writers: José E. De Souza · Antonio C. Hernandes · Jean-Claude M’Peko Keywords: Lead oxyfluoroborate glasses; Electrocrystallization; Dielectric properties; Space-charge effects Abstract: Lead oxyfluoroborate (BO1.5–PbO–PbF2) glasses were prepared and studied in this work in terms of dielectric response. By applying impedance […]

A simple procedure for the preparation of laponite and thermoplastic starch nanocomposites: Structural, mechanical, and thermal characterizations

27 de setembro de 2011 Rose Portasio 0

Writers: Fauze A. Aouada, Luiz H.C. Mattoso, Elson Longo Keywords: Clay; mechanical properties; nanocomposites; reinforcement; thermal properties; X-ray Abstract: The aim of this article is to propose advances for the preparation of hybrid nanocomposites prepared by the combination […]