Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/41007

TítuloMarine Collagen/Apatite scaffolds envisaging tissue engineering applications
Autor(es)Diogo, G. S.
Lopez, E.
González, P.
Serra, J.
Perez-Martin, R. I.
Sotelo, C. G.
Canadas, Raphael Faustino
Silva, Tiago H.
Silva, Joana M.
Reis, R. L.
Palavras-chaveCollagen
Hydroxiapatite
Marine
Scaffolds
DataAgo-2015
EditoraMary Ann Liebert
CitaçãoDiogo 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.
TipoconferenceAbstract
URIhttp://hdl.handle.net/1822/41007
ISSN2152-4947
Versão da editorahttp://online.liebertpub.com/doi/full/10.1089/ten.tea.2015.5000.abstracts
Arbitragem científicayes
AcessorestrictedAccess
Aparece nas coleções:3B’s - Resumos em livros de atas de conferências - indexados no ISI Web of Science

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