Fig. 1 | Scientific Reports

Fig. 1

From: Eco-friendly synthesis of eggshell-derived nano-hydroxyapatite: physicochemical characterization, hemocompatibility, and bone regeneration potential

Fig. 1

Schematic of the process for turning chicken eggshells into HA scaffolds. raw eggshells, grinding them into powder, calcining calcium carbonate (CaCO₃CaCO₃) to calcium oxide (CaOCaO), hydrating calcium hydroxide (Ca(OH)₂Ca(OH)₂), reacting with orthophosphoric acid to form hydroxyapatite (Ca10(PO₄)6(OH)2Ca10(PO)6(OH)2), and finally drying and calcining to produce crystalline HA powder.

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