Journal
BIOMATERIALS
Volume 26, Issue 15, Pages 2407-2413Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2004.07.048
Keywords
apatite; polycaprolactone; simulated body fluid (SBF); bioactivity; scaffold; biomimetic material
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Poly(e-caprolactone) (PCL) with a bone-like apatite layer bound to its surface could be useful as a scaffold for tissue engineering applications. In the present study, the surface of PCL was treated with aqueous NaOH to introduce carboxylate groups onto the surface. The NaOH-treated material was subsequently dipped in aqueous CaCl2 and K(2)HPO(4)(.)3H(2)O alternately three times to deposit apatite nuclei on the surface. The surface-modified material successfully formed a dense and uniform bone-like surface a patite layer after incubation for 24 h in simulated body fluid with ion concentrations approximately equal to those of human blood plasma. (C) 2004 Elsevier Ltd. All rights reserved.
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