Key points are not available for this paper at this time.
Hydroxyapatite HAp, Ca10(PO4)6(OH)2, was successfully synthesized using a hydrothermal method using β-tricalcium phosphate (β-TCP) and CaO from the starfish Mellita eduardobarrosoi sp. nov.
Rodríguez-Lugo et al. (Sun,) studied this question.