Abstract
1,6-Diphenyl-1,3,5-hexatriene is one of the most used fluorescent labels in cell membrane fluidity studies. However, its solubility in aqueous biological media is low and an initial solubilizing step is necessary. In this study, the authors present spectroscopic and computational results in order to explain the striking displacement observed in electronic spectra (absorption and fluorescence) in different solvents. The experimental results were correlated with those obtained by molecular dynamics simulations of multicomponent solutions, which revealed non-homogenous microscopic regions formation in the ternary aqueous DPH solutions.
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