Search Results - "Bressiani, Ana Helena"

Bioactive composites containing TEGDMA-functionalized calcium phosphate particles: Degree of conversion, fracture strength and ion release evaluation by Alania, Yvette, Chiari, Marina D.S, Rodrigues, Marcela C, Arana-Chavez, Victor E, Bressiani, Ana Helena A, Vichi, Flavio M, Braga, Roberto R

“…Abstract Objective To evaluate the strength and ion release of experimental composites containing TEGDMA-functionalized calcium phosphate particles. Methods…”
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Evaluation of bone tissue reaction in laser beamed implants by Allegrini, Sergio, Yoshimoto, Marcelo, Salles, Marcos Barbosa, Allegrini, Marcia Rivellino Facci, Pistarini, Luciana Crepaldi Yazawa, Braga, Francisco Jose Correa, Bressiani, Ana Helena de Almeida

“…The purpose of this study was to evaluate alterations and bone tissue response on laser treated implant surfaces (Nd:YAG – 100W). Sixty grade II titanium (ASTM…”
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In vitro apatite formation on chemically treated (P/M) Ti–13Nb–13Zr by Müller, Frank A, Bottino, Marco C, Müller, Lenka, Henriques, Vinicius A.R, Lohbauer, Ulrich, Bressiani, Ana Helena A, Bressiani, José C

“…Abstract Objectives Titanium alloys are considered the material of choice when used as endosteal part of implants. However, they are not able to bond directly…”
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Cell response of calcium phosphate based ceramics, a bone substitute material by Marchi, J, Ribeiro, C, Bressiani, A H de A, Marques, M M

“…An attempt was made to characterise calcium phosphate ceramics with different Ca/P ratios and evaluate their cell response for use as a bone substitute…”
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Hydroxyapatite Dome for Bone Neoformation in Rabbit Tibia by Maeda, Nancy Tiaki, Yoshimoto, Marcelo, Allegrini, Jr, Sergio, Bressiani, Ana Helena

“…To evaluate supracortical bone neoformation with the use of hydroxyapatite (HA) hollow domes specially manufactured for osteogenesis promotion. Nine New…”
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Physico-chemical characterization of zirconia–titania composites coated with an apatite layer for dental implants by Marchi, Juliana, Amorim, Eric M, Lazar, Dolores R.R, Ussui, Valter, Bressiani, Ana Helena A, Cesar, Paulo Francisco

“…Abstract Objectives To investigate the crystalline phases, morphological features and functional groups on the surface of sintered Y:TZP/TiO2 composite…”
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Synthesis, characterization and luminescence properties of Eu3+-doped hydroxyapatite nanocrystal and the thermal treatment effects by Silva, Flávia R.O., de Lima, Nelson B., Bressiani, Ana Helena A., Courrol, Lilia C., Gomes, Laércio

“…•Luminescence effects of Eu3+ in HAp nanocrystals induced by thermal treatments were investigated.•The energy transfer between Eu3+ (site I) to Eu3+ (site II)…”
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Influence of additive system (Al2O3-RE2O3 , RE = Y, La, Nd, Dy, Yb) on microstructure and mechanical properties of silicon nitride-based ceramics by Marchi, Juliana, Guedes e Silva, Cecilia Chaves, Silva, Bruno Batista, Bressiani, José Carlos, Bressiani, Ana Helena de Almeida

“…Silicon nitride based ceramics have been widely used as structural ceramics, due mainly to their thermo-mechanical properties such as high density, high…”
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Physicochemical and biological properties of nanohydroxyapatite grafted with star-shaped poly(ε-caprolactone) by Kairalla, Eleni Cristina, Bressiani, José Carlos, de Almeida Bressiani, Ana Helena, de Carvalho Pinto Ribela, Maria Tereza, Higa, Olga Zazuco, de Queiroz, Alvaro Antonio Alencar

“…To overcome the disadvantages generated by the lack of interfacial bonding between hydroxyapatite nanocrystals (HAPN) and agglomeration of particles in the…”
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Hydroxyapatite coating on silicon nitride surfaces using the biomimetic method by Silva, Cecilia Chaves Guedes e, Rigo, Eliana Cristina da Silva, Marchi, Juliana, Bressiani, Ana Helena de Almeida, Bressiani, José Carlos

“…Si3N4-based ceramics are promising candidates for biomedical applications due to their chemical and dimensional stability combined with suitable mechanical…”
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Electrochemical preparation and characterization of PNIPAM-HAp scaffolds for bone tissue engineering by Ribeiro, Charlene Aparecida, Martins, Marcos Vinicius Surmani, Bressiani, Ana Helena, Bressiani, José Carlos, Leyva, Maria Elena, de Queiroz, Alvaro Antonio Alencar

“…In the last decade, a variety of methods for fabrication of three-dimensional biomimetic scaffolds based on hydrogels have been developed for tissue…”
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Experimental Design Applied to Silicon Carbide Sintering by Marchi, Juliana, Bressiani, José Carlos, Bressiani, Ana Helena de A.

“…Silicon carbide is a promising structural ceramic used as abrasives and applied in metallurgical components, due to its low density, high hardness, and…”
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Effect of electron beam radiation dose on the foam formation in pre-ceramic polymer by Rocha, Rosa Maria da, Moura, Esperidiana A.B., Bressiani, José Carlos, Bressiani, Ana Helena A.

“…Methylsilicone resin as a polymer precursor for a SiOC ceramic material was cured and foamed by electron beam (EB) irradiation in air prior to the pyrolysis…”
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Complex-shaped ceramic composites obtained by machining compact polymer-filler mixtures by da, Rocha R M, Greil, P, Bressiani, J C, Bressiani, A H A

“…Ceramic composite pieces were obtained by pyrolysis of a compacted mixture of a polysiloxane resin and alumina/silicon powder. The mixture consisted of 60 vol%…”
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Mixture Design and Response Surface Analysis of Densification of Silicon Carbide Ceramics with (SiO2-Dy2O3-Al2O3) Additives by Marchi, J., Bressiani, José Carlos, Bressiani, Ana Helena Almeida, Bruns, Roy Edward

“…Statistical mixture designs are used to systematically study the densification properties of silicon carbide (SiC) ceramics sintered with SiO2, Dy2O3, and…”
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Micro-morphological changes prior to adhesive bonding: high-alumina and glassy-matrix ceramics by Bottino, Marco Cícero, Ozcan, Mutlu, Coelho, Paulo Guilherme, Valandro, Luiz Felipe, Bressiani, José Carlos, Bressiani, Ana Helena Almeida

“…The aim of this study was to qualitatively demonstrate surface micro-morphological changes after the employment of different surface conditioning methods on…”
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The influence of sulphur on the processing of zirconia based ceramics by Lazar, Dolores R.R, Menezes, Cristiane A.B, Ussui, Valter, Bressiani, Ana Helena A, Paschoal, José Octavio A

“…Yttria stabilized zirconia powders were synthesized by the coprecipitation route. Zirconium oxychloride containing sulphur as contamination and analytical…”
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Microstructure and mechanical properties of thermal sprayed nanostructured Cr3C2-Ni20Cr coatings by Cunha, Cecilio Alvares da, Lima, Nelson Batista de, Martinelli, Jose Roberto, Bressiani, Ana Helena de Almeida, Padial, Armando Guilherme Fernando, Ramanathan, Lalgudi Venkataraman

“…Cr3C2-Ni20Cr coatings have been used for corrosion and wear resistant applications. One of the shortcomings of these coatings is their low hardness, and…”
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Evaluation of europium-doped HA/β-TCP ratio fluorescence in biphasic calcium phosphate nanocomposites controlled by the pH value during the synthesis by Silva, Flavia R.O., Lima, Nelson B., Guilhen, Sabine N., Courrol, Lilia C., Bressiani, Ana Helena A.

“…Europium-doped hydroxyapatite (HA), beta-tricalcium phosphate (β-TCP) and biphasic phosphate nanopowders were synthesized by co-precipitation method and their…”
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Development of novel upconversion luminescent nanoparticle of Ytterbium/Thulium–doped beta tricalcium phosphate by Silva, Flávia R.O., Lima, Nelson B., Yoshito, Walter K., Bressiani, Ana Helena A., Gomes, Laércio

“…A novel class of upconversion luminescent nanocrystals of Yb/Tm:calcium deficient hydroxyapatite were synthesized by co-precipitation method in aqueous…”
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