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Title: In-vitro calcium phosphate growth over functionalized cotton fibers
Authors: Varma, HK
Yokogawa, Y
Espinosa, FF
Kawamoto, Y
Nishizawa, K
Nagata, F
Kameyama, T
Keywords: Engineering; Materials Science
Issue Date: 1999
Citation: 10 ,7;395-400
Abstract: Biomimetic growth of calcium phosphate compound on cotton sheets treated with tetraethoxy silane and soaked in simulated body fluid solution was studied using scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDAX), micro-Fourier transform infrared spectroscopy (FTIR) and X-ray diffractometry (XRD). Micro-FTIR and EDAX results show that silicon was coupled to the cotton fiber when cotton was treated with tetra-ethoxy silane (TEOS) at 125 degrees C for 1 h. Calcium phosphate nucleation started to occur on the surface of TEOS-treated cotton fibers upon immersion in 1.5 x SBF (simulated body fluid solution) within 3 days and after 20 days, all the fiber surfaces were found covered with a thick and porous coating of calcium phosphate. The Ca and P determined by inductively coupled plasma spectroscopy (ICP) analysis revealed that the Ca/P ratio as well as the amount of calcium phosphate coating depends on the soaking time in SBF solution. (C) 1999 Kluwer Academic Publishers.
URI: 10.1023/A:1008970913107
Appears in Collections:Journal Articles

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