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|Título:||Marine Collagen/Apatite scaffolds envisaging tissue engineering applications|
|Autor(es):||Diogo, G. S.|
Perez-Martin, R. I.
Sotelo, C. G.
Canadas, Raphael Faustino
Silva, Tiago H.
Silva, Joana M.
Reis, R. L.
|Editora:||Mary Ann Liebert|
|Revista:||Tissue Engineering. Part A|
|Citação:||Diogo G. S., Lopez E., González P., Serra J., Perez-Martin R. I., Sotelo C. G., Canadas R. F., Silva T. H., Moreira-Silva J., Reis R. L. Marine Collagen/Apatite Scaffolds Envisaging Tissue Engineering Applications., TISSUE ENGINEERING PART A, Vol. 21, Issue S1, pp. S210-S210, doi:10.1089/ten.tea.2015.5000.abstracts, 2015|
|Resumo(s):||Despite the vast investigation and the large amount of products already available in the market to treat the different bone defects there is still a growing need to develop more advanced and complex therapeutic strategies. In this context, a mixture of Marine Hydroxyapatite-Fluorapatite:Collagen (HA-FP:ASC) seems to be a promising solution to overcome these bone defects, specifically, dental defects. HA-FP particles (20–63 μm) were obtained through pyrolysis (950°C, 12 h) of shark teeth (Isurus oxyrinchus, P. glauca), and Type I collagen was isolated from Prionace glauca skin as previously described (1). After the steps of purification, collagen was solubilized in 0.5 M acetic acid and HA-FP added producing three different formulations: were produced, 30:70, 50:50 and 70:30 of HA-FP:ASC, respectively. EDC/NHS and HMDI binding agents were used to stabilize the produced scaffolds. Mechanical properties were evaluated by compression tests. SEM analysis allowed observing the mineral deposition, after immersion in simulated body fluid and also permitted to evaluate how homogenous was the distribution of HA-FP in the different scaffold formulations, also confirmed by μ-CT assay. It was readily visible by Cytotoxicity and life/dead CLSM assays that cells were able to adhere and proliferate in the produced scaffolds. Scaffolds crosslinked with EDC/NHS showed lower cytotoxicity, being the ones chosen for further cellular evaluation.|
|Versão da editora:||http://online.liebertpub.com/doi/full/10.1089/ten.tea.2015.5000.abstracts|
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|18680-Marine Collagen-Apatite Scaffolds Envisaging Tissue Engineering Applications.pdf||190,98 kB||Adobe PDF||Ver/Abrir Solicitar cópia ao autor!|