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Química Nova

Print version ISSN 0100-4042On-line version ISSN 1678-7064


BET, Marcos Roberto; GOISSIS, Gilberto  and  PLEPIS, Ana Maria de Guzzi. Collagen: calcium phosphate composites. Preparation and characterization. Quím. Nova [online]. 1997, vol.20, n.5, pp.475-477. ISSN 0100-4042.

Anionic collagen: calcium phosphate composite was obtained by controlled mixing of collagen and calcium phosphate until the consistence of a past. Material was characterized by a Ca/P ratio of 1.55, with a X-ray diffraction pattern similar to that for hydroxyapatite. Differential Scanning Calorimetry showed that the protein is not denatured under the processing conditions. Scanning Electronic Microscopy showed that the mineral phase are regularly covered with collagen fibers, indicating that anionic collagen is efficient in the preparation of stable form of calcium phosphate ceramic paste.

Keywords : composite; collagen; calcium phosphate.

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