Fig. 4From: Uptake of Chlorin e6 Photosensitizer by Polystyrene-Diphenyloxazole-Poly(N-Isopropylacrylamide) Hybrid Nanosystem Studied by Electronic Excitation Energy TransferAbsorption spectra of chlorin e6 (2 μM) free (black line) and in the presence of PS-PPO-PNIPAM hybrid nanosystems (red line) in 50 mM Tris-HCl buffer, pH 7.2Back to article page