Biomolecular Template-Induced Biomimetic Coating of Hydroxyapatite on an SS 316 L Substrate
Bone, a natural composite, comprises non-stoichiometric calcium hydroxyapatite (HAp) precipitated in a controlled reaction environment of a highly aligned, anisotropic organic template (type I collagen) that leads to its exotic tensile and compressive strength. It differs from stoichiometric hydroxyapatite in composition, crystallinity, and other physical and mechanical properties. In the present study, functionalized biomolecular template-induced precipitation of HAp on an SS 316 L substrate following biomimetic route exhibits distinct alterations in crystal growth and geometry, which in turn indicates the potential of the process to develop a non-stoichiometric HAp coating on metal implants.
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Document Type: Research Article
Affiliations: Bioceramics and Coating Division, Central Glass and Ceramic Research Institute, Kolkata-700 032, India
Publication date: April 1, 2007