Table 3. Experimental and Theoretical Maximum Emission Peak Wavelength (nm) and Stokes Shift of DPAP in Different Environmentsa.
ACN | cyclohexane | o-xylene | DOPC | DPPC/CHOL | |
---|---|---|---|---|---|
(35.69) | (2.02) | (2.54) | (2.99) | (2.99) | |
Fluorescence | |||||
exptl (nm) | 552 | 431 | 471 | ||
calcd (nm) | 682 (±127) | 442 (±29) | 470 (±34) | 496 (±31) | 503 (±38) |
Stokes Shift | |||||
exptl (nm) | 231 | 107 | 144 | ||
calcd (nm) | 353 (±147) | 117 (±44) | 145 (±51) | 173 (±43) |
In parentheses is the dielectric constant of the solvent. Stokes shift values are computed by considering the absorption peak wavelength determined in our previous work.35 Experimental data are not available for DOPC and DPPC/CHOL bilayers.