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The time dependence of the solvent relaxation behavior of two polarity-sensitive dyes called Prodan and Patman has been investigated in detail in artificial membrane systems of different compositions. The works provides a comparison of the solvent relaxation behavior of the mentioned dyes, using steady-state and time-resolved fluorescence methods, and exemplifies their complementary use for membrane...
The photophysical properties of three newly synthesized pyrazoloquinolines, composed of N,N-dimethylaniline as donor subunit and various substituted forms of the acceptor pyrazoloquinoline (DPPQ), were investigated by absorption as well as by stationary and time resolved fluorescence spectroscopy. These compounds show generally highly efficient emission in nonpolar and medium polar solvents; the dipole...
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