Table 7.
Cytotoxicity and Cellular Uptake of [Co(Schiff base)(L)2]+ Complexes in A549 Lung Cancer Cells
Compound | IC50 (µM) | Cobalt/Protein (pg/µg) | HPLC Retention Factorb |
---|---|---|---|
[Co(3F-salen)(NH3)2]+ | >500 | 43.0 ± 8.4 | 0.21 |
[Co(3F-salen)(3F-BnNH2)2]+ | 50 ± 16 | 175 ± 19 | 2.95 |
[Co(tfacen)(NH3)2]+ | >500 | 26.7 ± 2.2 | 0.27 |
[Co(tfacen)(3F-BnNH2)2]+ | 60 ± 17 | 697 ± 13 | 13.8 |
Co(NO3)2a | >500 | 37 ± 2 | NA |
Tfacen | >200 | NA | NA |
3F-salen | 97 ± 9.2 | NA | NA |
cisplatina | 5.5 ± 3.2 | NA | NA |
Reported in reference 16.
Retention Factor = (tr – t0)/t0, where tr is the retention time of the complex and t0 is the column dead time.