Synthesis, Characterization, DNA Interaction, and Antitumor Activities of La (III) Complex with Schiff Base Ligand Derived from Kaempferol and Diethylenetriamine

Figure 5

Plots of lg[()/] versus lg[] for the fluorescence quenching of DNA-EB system by ligand L (a) and La (III) complex (b) at different temperatures, (▲) 298 K; (●) 303 K; (■), 310 K.

(a)

(b)