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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Adv Drug Deliv Rev. 2018 Feb 2;151-152:262–288. doi: 10.1016/j.addr.2018.01.019

Figure 3. Fluorescence anisotropy spectra.

Figure 3

Fluorescence anisotropy spectra.of rhodamine 6G. (a) in excitation wavelengths, (b) in emission wavelengths. Note that at 350 nm (below 375 nm) the fluorescence anisotropy of rhodamine 6G is negative which indicates excitation to higher electronic state with perpendicular orientation of absorption transition moment.