Table 1.
Results of cytotoxicity assay of cancer cells treated with various modified single-walled carbon nanotubes at a concentration of 0.1 mg/mL after laser irradiation by 800 nm laser at 1.726 W/cm2 for 3 minutes and studied up to 24 hours
| Sample/time | 6 h | 12 h | 24 h |
|---|---|---|---|
| Cancer cell + laser | 97% | 96% | 95% |
| Cancer cell + FITC-PEG-SWCNT + laser | 93% | 89% | 85% |
| Cancer cell + FITC-FA-PEG-SWCNT + laser | 54% | 27% | 05% |
| Cancer cell + DOX-PEG-SWCNT + laser | 93% | 87% | 83% |
| Cancer cell + DOX-FA-PEG-SWCNT + laser | 37% | 11% | 02% |
Abbrevations: h, hour; FITC, fluorescein isothiocyanate; PEG, polyethylene glycol; DOX, doxorubicin; FA, folic acid; SWCNT, single-walled carbon nanotubes.