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(A) Cell apoptosis detected by Hoechst 33342 staining of a) Blank cells, b) Blank cells/laser, c) HA-TiO2-IONPs, d) HA-TiO2-IONPs/laser, e) ART, f) HA-TiO2-IONPs/ART and g) HA-TiO2-IONPs/ART/laser; (B) Cell apoptosis detected by Flow cytometry of a) Blank cells, b) Blank cells/laser, c) HA-TiO2-IONPs, d) HA-TiO2-IONPs/laser, e) ART, f) HA-TiO2-IONPs/ART and g) HA-TiO2-IONPs/ART/laser.
