Bioinorganic Preparation of Hydroxyapatite and Rare Earth Substituted Hydroxyapatite for Biomaterials Applications

Table 5

Comparison between the cytotoxicity effect of HA and Nd-Ce/HA on cell lines of MG63 and WRL68.

Concentration (μg/mL)	Viability %
	MG63			WRL68
	Mean ± SD		Specimens number	Mean ± SD		Specimens number
	HA	Nd-Ce/HA		HA	Nd-Ce/HA
400	42.79 ± 2.79	53.40 ± 3.31	3	62.27 ± 4.63	72.65 ± 1.96	3
200	51.85 ± 3.61	64.28 ± 3.59	3	73.64 ± 4.65	80.21 ± 3.11	3
100	66.05 ± 2.70	79.50 ± 6.59	3	76.81 ± 3.30	85.65 ± 3.32	3
50	75.54 ± 5.21	95.45 ± 0.88	3	89.64 ± 4.84	94.17 ± 0.77	3
25	85.30 ± 1.75	97.15 ± 1.35	3	95.37 ± 0.90	96.18 ± 0.23	3
12.50	95.33 ± 0.79	95.87 ± 3.28	3	96.64 ± 0.70	94.29 ± 2.98	3
6.25	96.10 ± 1.71	95.99 ± 0.96	3	95.68 ± 0.41	96.07 ± 0.12	3