| Figure 2. Normalized absorption spectra of the porphyrins in the Soret region:
(a) 4.9 mM P3 in water (I ~ 0); (b) 4.6 mM P3 in the presence of poly(dA-dT)2, R = 0.027; (c) 4.6 mM P2 in the presence of poly(dA-dT)2, R = 0.027. Inset: Second derivative of the absorption spectra of P3 in water (d) and in the presence of poly(dA-dT)2 (e) |
