Silicon nitride with titania, calcia and silica additives for orthopaedic applications

Autor: Cecilia C. Guedes-Silva, Andrea C.D. Rodas, Flávio M.S. Carvalho, Olga Z. Higa, Thiago S. Ferreira

Publikováno v: Processing and Application of Ceramics, Vol 14, Iss 1, Pp 63-70 (2020)

Titanium, silicon and calcium ions have demonstrated positive effects in bone healing. Therefore, this paper investigates the densification, mechanical properties and in vitro biological behaviour of TiO2, together with SiO2 and CaO, on silicon nitri

Externí odkaz: https://doaj.org/article/492ff4776cd84290994236310454ebd4

Microstructure, Mechanical Properties and in vitro Biological Behavior of Silicon Nitride Ceramics

Autor: Thiago dos Santos Ferreira, Antônio Carlos da Silva, Cecilia C. Guedes-Silva, Andrea C.D. Rodas, Olga Z. Higa, Christiane Ribeiro, Flavio Machado de Souza Carvalho

Publikováno v: Materials Research, Vol 21, Iss 6 (2018)

The bioinert surface of silicon nitride ceramics led us to investigate the additions of SiO2, CaO and Al2O3 in order to aid the liquid phase sintering and improve the mechanical properties and biological behavior of the final materials. The sintered

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b227cf8b2e48d9553002392aa979477
https://doi.org/10.1590/1980-5373-mr-2018-0266

Inhibition of calcification of bovine pericardium after treatment with biopolymers, E-beam irradiation and in vitro endothelization

Autor: Andrea C.D. Rodas, Olga Z. Higa, Roberta Polak, Reinaldo Giudici, Dennis L. Chicoma, Marisa Masumi Beppu, Ronaldo Nogueira de Moraes Pitombo

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

This work has investigated the in vitro calcification of bovine pericardium (BP) treated with chitosan (C), silk fibroin (SF) and electron beam irradiation after its endothelization in vitro. For this purpose, freeze-dried BP membranes treated with m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2de5d5f8342bebe7e2da29ea3708738
https://doi.org/10.1016/j.msec.2012.08.009

Epoxy/aliphatic amine networks with perspectives for cardiovascular applications. In vitro biological properties

Autor: Thiago Amaro Vicente, Fernando José Costa Baratéla, Alvaro Antonio Alencar de Queiroz, Olga Z. Higa, Filiberto González Garcia

Publikováno v: Matéria (Rio de Janeiro) v.21 n.1 2016
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 21, Issue: 1, Pages: 115-128, Published: MAR 2016

Este trabalho descreve as propriedades biológicas in vitro de três redes epoxídicas à base do éter diglicidílico do glicerol (DGEG) curadas com poli(oxipropileno) diamina (D230), isoforona diamina (IPD) e 4,4'-diamino-3,3'-dimetil-diciclohexilm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ac8a56f683a957cd2de5c2305b0ce41
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762016000100012

Hydrogels from silk fibroin metastable solution: Formation and characterization from a biomaterial perspective

Autor: Marisa Masumi Beppu, Olga Z. Higa, Andrea C.D. Rodas, Grínia M. Nogueira, Mariana Agostini de Moraes

Publikováno v: Materials Science and Engineering: C. 31:997-1001

Silk fibroin (SF) hydrogels were obtained from the dialysis of a SF metastable solution. Temperature and calcium concentration in SF solution/hydrogel were measured, as critical variables for SF gelation phenomenon. Gelation time of SF solution was i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e88c7b58971d3f70872aa7e2e57a3ac3
https://doi.org/10.1016/j.msec.2011.02.019