posted on 2012-04-11, 01:29authored byZhen Xu, Ya-Lei Zhang, Cao Song, Ling-Ling Wu, Hong-Wen Gao
Embryos exposed for 8 h in distilled water (A), 400 mg/L nano-TiO2 (B), 400 mg/L nano-SiO2 (C) and 400 mg/L nano-HA (D). The freeze-drying of embryos was carried out at −55°C for 12 h.