Effect of Ionic Exchange on Osteoblast Behaviour on Bioactive Tissue Engineering Substrates

Abstract:

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In this work we examine the effect of the ionic exchange in cell behaviour of two apatite substrates with the same chemical composition but different microstructures (Coarse and Fine) by culturing cells with their extracts. A higher decrease in Ca and a higher increase in P concentrations were detected in the culture medium extracts from the finer apatite substrate in accordance with its higher specific surface area. A decrease in cell proliferation was observed when cells were cultured with the Fine extract in comparison with cells in contact with the Coarse extract or the control group. Although the higher ionic exchange, this could not explain the drastic decrease in cell proliferation observed on Fine apatite substrates, so a strong interaction with the underlying microstructure that modulates cell behaviour is also present.

Info:

Periodical:

Key Engineering Materials (Volumes 361-363)

Main Theme:

Edited by:

Guy Daculsi and Pierre Layrolle

Pages:

1051-1054

DOI:

10.4028/www.scientific.net/KEM.361-363.1051

Citation:

S. del Valle et al., "Effect of Ionic Exchange on Osteoblast Behaviour on Bioactive Tissue Engineering Substrates", Key Engineering Materials, Vols. 361-363, pp. 1051-1054, 2008

Online since:

November 2007

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Price:

$35.00

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