Search Results - "Torres, P. M. C."

Injectability of brushite-forming Mg-substituted and Sr-substituted α-TCP bone cements by Pina, S., Torres, P. M. C., Ferreira, J. M. F.

“…The influence of magnesium- and strontium-substitutions on injectability and mechanical performance of brushite-forming α-TCP cements has been evaluated in the…”
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In vitro performance assessment of new brushite-forming Zn- and ZnSr-substituted β-TCP bone cements by Pina, S., Vieira, S.I., Torres, P. M. C., Goetz-Neunhoeffer, F., Neubauer, J., da Cruz e Silva, O. A. B., da Cruz e Silva, E. F., Ferreira, J. M. F.

“…The present study investigated the in vitro performance of brushite‐forming Zn‐ and ZnSr‐substituted β‐TCP bone cements in terms of wet mechanical strength and…”
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Influence of Mg-doping, calcium pyrophosphate impurities and cooling rate on the allotropic α↔β-tricalcium phosphate phase transformations by Torres, P.M.C., Abrantes, J.C.C., Kaushal, A., Pina, S., Döbelin, N., Bohner, M., Ferreira, J.M.F.

“…Alpha and beta-tricalcium phosphates are allotropic phases which play a very important role as bone graft substitutes, namely in calcium phosphate cements…”
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Effects of Mn-doping on the structure and biological properties of β-tricalcium phosphate by Torres, P.M.C., Vieira, S.I., Cerqueira, A.R., Pina, S., da Cruz Silva, O.A.B., Abrantes, J.C.C., Ferreira, J.M.F.

“…Doping calcium phosphates with trace elements that exist in bone tissues is beneficial in terms of cell–material interactions and in vivo performance of the…”
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Synthesis and structural characterization of strontium- and magnesium-co-substituted β-tricalcium phosphate by Kannan, S., Goetz-Neunhoeffer, F., Neubauer, J., Pina, S., Torres, P.M.C., Ferreira, J.M.F.

“…The synthesis of five different Sr 2+- and Mg 2+-co-substituted β-tricalcium phosphate (β-TCP) has been obtained by heating the calcium-deficient apatites…”
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Injectability of calcium phosphate pastes: Effects of particle size and state of aggregation of β-tricalcium phosphate powders by Torres, P.M.C., Gouveia, S., Olhero, S., Kaushal, A., Ferreira, J.M.F.

“…[Display omitted] The present study discloses a systematic study about the influence of some relevant experimental variables on injectability of calcium…”
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Toughening robocast chitosan/biphasic calcium phosphate composite scaffolds with silk fibroin: Tuning printable inks and scaffold structure for bone regeneration by Torres, P M C, Ribeiro, N, Nunes, C M M, Rodrigues, A F M, Sousa, A, Olhero, S M

“…The present work aims the production of composite bioceramic scaffolds by robocasting suppressing sintering as post printing process. To achieve this purpose,…”
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Effective production of multifunctional magnetic-sensitive biomaterial by an extrusion-based additive manufacturing technique by Rodrigues, A F M, Torres, P M C, Barros, M J S, Presa, R, Ribeiro, N, Abrantes, J C C, Belo, J H, Amaral, J S, Amaral, V S, Bañobre-López, M, Bettencourt, A, Sousa, A, Olhero, S M

“…A calcium phosphate (CaP)-based scaffold used as synthetic bone grafts, which smartly combines precise dimensions, controlled porosity and therapeutic…”
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Synthesis, mechanical and biological characterization of ionic doped carbonated hydroxyapatite/β-tricalcium phosphate mixtures by Kannan, S., Vieira, S.I., Olhero, S.M., Torres, P.M.C., Pina, S., da Cruz e Silva, O.A.B., Ferreira, J.M.F.

“…The influence of ionic substituents in calcium phosphates intended for bone and tooth replacement biomedical applications is an important research topic, owing…”
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Biological responses of brushite-forming Zn- and ZnSr- substituted beta-tricalcium phosphate bone cements by Pina, S, Vieira, S I, Rego, P, Torres, P M C, da Cruz e Silva, O A B, da Cruz e Silva, E F, Ferreira, J M F

“…The core aim of this study was to investigate zinc (Zn)- and zinc and strontium (ZnSr)-containing brushite-forming beta-tricalcium phosphate (TCP) cements for…”
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Conventional versus additive manufacturing in the structural performance of dense alumina-zirconia ceramics: 20 years of research, challenges and future perspectives by Olhero, S.M., Torres, P.M.C., Mesquita-Guimarães, J., Baltazar, J., Pinho-da-Cruz, J., Gouveia, S.

“…The current need to develop Additive Manufacturing (AM) processes capable of producing defect-free, fully-dense functional ceramics could benefit from the…”
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Influence of filament patterning in structural properties of dense alumina ceramics printed by robocasting by Baltazar, J., Torres, P.M.C., Dias-de-Oliveira, J., Pinho-da-Cruz, J., Gouveia, S., Olhero, S.

“…Robocasting is an extrusion-based additive manufacturing (AM) technique, highly explored in the fabrication of porous structures or thin-walled ceramics…”
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Influence of structural features in the performance of bioceramic-based composite scaffolds for bone engineering applications: A prediction study by Rosa, Natacha, Pouca, Maria Vila, Torres, P.M.C., Olhero, Susana M., Jorge, Renato Natal, Parente, Marco

“…Despite recent years' remarkable progress in medical procedures for bone reconstruction, the implementation of newly developed biomedical materials is still…”
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Sustained drug release from sintering-free calcium phosphate-based scaffolds by Soares, F., Ribeiro, N., Baião, A., Torres, P.M.C., Sarmento, B., Olhero, S.M.

“…A unique sustained drug-controlled release system was designed by robocasting using a composite ink able to fabricate scaffolds that embrace functions such as…”
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Influence of the Ca/P ratio and cooling rate on the allotropic α↔β-tricalcium phosphate phase transformations by Brazete, Daniela, Torres, P.M.C., Abrantes, J.C.C., Ferreira, J.M.F.

“…Alpha-tricalcium phosphate (α-TCP) is a component of particular interest in the formulation of apatitic calcium phosphate based bone cements. During the…”
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Aqueous Colloidal Processing of ZTA Composites by Olhero, Susana M., Ganesh, Ibram, Torres, Paula M.C., Alves, Fernando J., Ferreira, José M.F.

“…Two different zirconia‐alumina composites, ZTA‐30 (70 wt% Al2O3+30 wt% ZrO2) and ZTA‐60 (40 wt% Al2O3+60 wt% ZrO2), with potential for orthopedic applications,…”
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Influence of processing route on microstructure and mechanical properties of MgAl2O4 spinel by Ganesh, Ibram, Jaganatha Reddy, G., Sundararajan, G., Olhero, Susana M., Torres, Paula M.C., Ferreira, José M.F.

“…The process-dependent microstructural and mechanical properties of MgAl2O4 spinel (MAS) ceramics were investigated. Two MAS powders with different chemical…”
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Injectability of brushite-forming Mg-substituted and Sr-substituted [alpha]-TCP bone cements by Pina, S, Torres, P M; C, Ferreira, J M; F

“…The influence of magnesium- and strontium-substitutions on injectability and mechanical performance of brushite-forming [alpha]-TCP cements has been evaluated…”
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Gelcasting of Magnesium Aluminate Spinel Powder by Ganesh, Ibram, Olhero, Susana M., Torres, Paula M. C., Ferreira, José M. F.

“…A stoichiometric MgAl2O4 spinel (MAS) powder was processed in aqueous media and consolidated by gelcasting from suspensions containing 41–45 vol% solids…”
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A novel colloidal processing route to alumina ceramics by Ganesh, Ibram, Sundararajan, G., Olhero, Susana M., Torres, Paula M.C., Ferreira, José M.F.

“…The fabrication of complex-shaped alumina ceramics following a new near-net shape technique based on hydrolysis induced aqueous gelcasting (GCHAS) is reported…”
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