Artigo

Effects of chemical substitution on the structural and optical properties of alpha-Ag2-2xNixWO4 (0 <= x <= 0.08) solid solutions

17 de julho de 2016 CDMF 0

Writers: Wyllamanney da Silva Pereira, Mateus Meneghetti Ferrer, Gleice Botelho, Lourdes Gracia, Içamira Costa Nogueira, Ivo Mateus Pinatti, Ieda Lúcia Viana Rosa, Felipe de Almeida La Porta, Juan Andrés and Elson Longo Keywords: morphology; structure; optical properties Abstract: In this work, we investigated the effects of chemical substitution on the […]

Contamination index. A novel parameter for metal and pesticide analyses in maternal blood and umbilical cord

16 de julho de 2016 CDMF 0

Writers: Ilse Sodré Motta, Gustavo Tadeu Volpato, Débora Cristina Damasceno, Yuri Karen Sinzato, Giovana Vesentini, Cibele Vieira Cunha Rudge, Iracema Mattos Paranhos Calderon, Wilma De Grava Kempinas, Jon Ovid Odland, Marilza Vieira Cunha Rudge Keywords: Pesticides; Metals; Contamination; Pregnancy ABSTRACT PURPOSE: To evaluate the contamination index of metals and pesticides in pregnant women, and to relate […]

Mechanical and Thermal Properties of Linear Low Density Polyethylene/Organoclay Nanocomposites

22 de junho de 2016 CDMF 0

Writers: Komatsu, Daniel; Paranhos, Caio Márcio; Ruvolo-Filho, Adhemar Keywords: mechanical properties; nanocomposites; polyolefin; thermal properties; transmission electronic microscopy Abstract: Nanocomposites of linear low density polyethylene (LLDPE)/montmorillonite clay were obtained by diluting a masterbatch, containing 20.0% clay, in a twin screw […]

Influence of different buffers (HEPES/MOPS) on keratinocyte cell viability and microbial growth

21 de junho de 2016 CDMF 0

Writers: Kássia de Carvalho Dias and Paula Aboud Barbugli and Carlos Eduardo Vergani Keywords: Cell survival; Keratinocytes; HEPES; Candida albicans; Staphylococcus aureus Abstract: This study assessed the effect of the buffers 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) and 3-(N-morpholino) propanesulfonic acid […]

In Vitro and In Vivo Toxicity Evaluation of Colloidal Silver Nanoparticles Used in Endodontic Treatments

21 de junho de 2016 CDMF 0

Writers: Aline Satie Takamiya and Douglas Roberto Monteiro and Daniel Galera Bernabé and Luiz Fernando Gorup and Emerson Rodrigues Camargo and João Eduardo Gomes-Filho and Sandra Helena Penha Oliveira and Debora Barros Barbosa Keywords: Biocompatibility; endodontic materials; […]

Effect of addition of nano-hydroxyapatite on physico-chemical and antibiofilm properties of calcium silicate cements

17 de junho de 2016 CDMF 0

Writers: Juliane Maria GUERREIRO-TANOMARU; Fernando Antonio VÁZQUEZ-GARCÍA; Roberta BOSSO-MARTELO; Maria Inês Basso BERNARDI; Gisele FARIA; Mario TANOMARU FILHO Keywords: Physicochemical analysis; Biofilms; Enterococcus faecalis; Zirconium; Nanotechnology Abstract Objective Mineral Trioxide Aggregate (MTA) is a calcium silicate cement composed of Portland cement (PC) and bismuth oxide. Hydroxyapatite has been incorporated […]

Different dye degradation mechanisms for ZnO and ZnO doped with N (ZnO:N)

17 de junho de 2016 CDMF 0

Writers: Ivan Mouritys Pereira Silva and Gabriela Byzynski and Caue Ribeiro and Elson Longo Keywords: ZnO:N; Photocatalytic activity; Degradation mechanism Abstract: Zinc oxide (ZnO) presents vast applicability in different areas. Diverse chemical elements are used in doping ZnO in […]

NIR luminescence from erbium doped (100−x)SiO2:xZnO powders obtained by soft chemical synthesis

10 de junho de 2016 CDMF 0

Writers: L.J.Q. Maia, J.C.V. Santos , J.F. Carvalho, R.R. Gonçalves , A.C. Hernandes , S.J.L. Ribeiro Keywords: Nanostructured materials; Photoluminescence Abstract: We present the structural and optical results of (100x)SiO2:xZnO compounds with x¼0, 20, 40, 60, […]

Dielectric characterization of microwave sintered lead zirconate titanate ceramics

8 de junho de 2016 CDMF 0

Writers: Mayra D. Gonçalves, Flavio L. Souza, Elson Longo, Edson R. Leite, Emerson R. Camargo Keywords: PZT; Chemical synthesis; Dielectric response; Sintering; Ceramics Abstract: Highly reactive lead zirconate titanate powders (PZT) with different compositions were […]

Construction of an electrochemical sensing platform based on platinum nanoparticles supported on carbon for tetracycline determination

2 de junho de 2016 CDMF 0

Writers: Ricardo T. Kushikawa and Marcelo R. Silva and Antonio C.D. Angelo and Marcos F.S. Teixeira Keywords: Electrochemical sensor; Platinum nanoparticles; Voltammetric determination Abstract: In this paper, we report the construction of an electrochemical sensing platform based on […]