Fig. 5

a CLSM images of DCFH-DA stained PC-3 cells after treated with (i) complete culture medium, (ii) NIR laser irradiation, (iii) ICG@FeDH alone, (iv) ICG@FeD plus laser irradiation and (v) targeted ICG@FeDH plus laser irradiation. And (vi) The mean fluorescence determined from the corresponded CLSM images. b Cell viability of PC-3 cells incubated with FeDH at different concentrations for 24 h. c Cell viability of PC-3 cells treated with ICG@FeDH after different irradiation time. d Cell viability of PC-3 cells subjected to the corresponding treatments: (i) complete culture medium, (ii) NIR laser irradiation, (iii) ICG@FeDH alone, (iv) ICG@FeD plus laser irradiation and (v) targeted ICG@FeDH plus laser irradiation