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图2 (a) CT DNA和(b) Htelo G-四链体DNA对3 (40 µmol·L-1)吸收光谱的影响
Fig 2 UV-Vis titration of 3 (40 µmol·L−1) with (a) CT DNA and (b) Htelo G-quadruplex in Tris-HCl buffer (10 m mol·L−1, pH 7.4) containing 0.1 mol·L−1 KCl. The arrows indicate the changes upon addition of DNA. Insets: Plots of D/Δεap versus D.