Artigo

Understanding the Formation of the Self-Assembly of Colloidal Copper Nanoparticles by Surfactant: A Molecular Velcro

25 de outubro de 2013 CDMF 0

Writers: Raquel Kely Bortoleto-Bugs, Talita Mazon, Márcio Tarozzo Biasoli, Aristides Pavani Filho, Jacobus Willibrordus Swart, and Milton Roque Bug Keywords: Nanoparticles Abstract: Self-assembly procedure is employed to synthesize colloidal copper nanoparticles (ccNPs) with cationic surfactant in an environmentally friendly method. Scanning […]

Artigo

Enhanced bulk and superficial hydrophobicities of starch-based bionanocomposites by addition of clay

17 de outubro de 2013 Rose Portasio 0

Writers: Fauze A. Aouadaa, Luiz H.C. Mattoso, Elson Longo Keywords: Spectroscopic properties; Contact angles; Water absorption; FEG-SEM; Thermoplastic starch bionanocomposites Abstract: In this work, thermoplastic starch (TPS)–clay bionanocomposites were obtained by an innovative methodology using a combination of methodologies commonly used in […]

Artigo

Effect of experimental photopolymerized coatings on the hydrophobicity of a denture base acrylic resin and on Candida albicans adhesion

29 de setembro de 2013 Rose Portasio 0

Writers: Andréa A. Lazarin, Ana L. Machado, Camila A. Zamperini, Amanda F. Wady, Denise M. P. Spolidorio, Carlos E. Vergani Keywords: Adhesion; Candida albicans; Hydrophilic; Prosthesis; Surface modification  Abstract: Objective: This study investigated the effect of experimental photopolymerized coatings, containing zwitterionic or […]

Artigo

Effect of Yttrium Doping in Barium Zirconium Titanate Ceramics: A Structural, Impedance, and Modulus Spectroscopy Study

29 de setembro de 2013 Rose Portasio 0

Writers: Tanmaya Badapanda, Laécio Santos Cavalcante, Geraldo Eduardo da Luz Jr, Nouga Cardoso Batista, Shahid Anwar, Elson Longo Keywords: Ceramics; Spectroscopy; Study Abstract: In the current article, we studied the effect of yttrium [Y3+] ions’ substitution on the structure and electric behavior of barium zirconate titanate (BZT) ceramics with a general formula [Ba1−xY2x/3](Zr0.25Ti0.75)O3 (BYZT) […]

Artigo

Combination of guided mode and photometric optical metrology methods for precise determination of refractive index dispersion: application to polymer blend and ceramic thin films for gas sensors

29 de setembro de 2013 Rose Portasio 0

Writers: Thomas Wood, Judikaël Le Rouzo, François Flory, Paul Coudray, Valmor Roberto Mastelaro, Pedro Pelissari, Sergio Zilio Keywords: sensor; gas; method Abstract: Two optical techniques, m-lines and spectroscopic ellipsometry, are compared for their suitability for obtaining the […]

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