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Fig. 7 | Nanoscale Research Letters

Fig. 7

From: Uptake of Chlorin e6 Photosensitizer by Polystyrene-Diphenyloxazole-Poly(N-Isopropylacrylamide) Hybrid Nanosystem Studied by Electronic Excitation Energy Transfer

Fig. 7

Fluorescence excitation spectra of chlorin e6 free and added to PS-PPO-PNIPAM hybrid NS (measured in 0, 10, 80, and 100 min after addition), and PS-PPO-PNIPAM hybrid NS itself. Emission wavelengths for chlorin e6 are 660 nm (normalized intensity) and 680 nm. Emission wavelength for PS-PPO-PNIPAM NS is 380 nm (normalized intensity). Fifty millimolars of Tris-HCl buffer, pH 7.2, is used as solvent

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