Fig. 1. (a),(b) TEM images of CdSe-TiO2 sample and (c),(d) TEM images of FA-CdSe-TiO2 sample

Fig. 2. EDS energy spectrum of FA-CdSe-TiO2 sample

Fig. 3. (a) FTIR of FA-CdSe-TiO2 sample; (b) FTIR of FA; (c) FTIR of CdSe-TiO2 sample

Fig. 4. (a) Ultraviolet-visiable absorption spectrum of nanoparticles; (b) emission spectrum of LED array in PDT test box

Fig. 5. Viability of HL60 cells treated with CdSe-TiO2 and FA-CdSe-TiO2 (with different FA ratios) nanoparticles with different concentrations under darkroom conditions

Fig. 6. PDT efficiency of CdSe-TiO2 and FA-CdSe-TiO2 modified with different FA ratios on HL60 cells at different light intensities

Fig. 7. Fluorescence spectra of reactive oxygen species probe in HL60 cells after PDT (λex =488 nm)

Fig. 8. Ultrastructural morphology of (a) untreated HL60 cell and (b), (c), (d) HL60 cells after PDT