Drug Effect of Thulium(III)-Arsenazo III Complex on Herring Sperm DNA

Figure 4

(a) Absorption spectra of thulium(III)-arsenazo III complex in different concentrations of DNA; (b) molar ratio of DNA-thulium(III)-arsenazo III system at λ = 655 nm (pH 7.40). c_{Arsenazo III} = 5 × 10⁻⁵ mol·L⁻¹; c_{Thulium (III)} = 1 × 10⁻⁴ mol·L⁻¹; c_DNA = 1 × 10⁻⁵ mol·L⁻¹. (10 μL per scan, 1–19: 0–180 μL).

(a)

(b)