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A steady-state and time-resolved study of the xanthene dye Eosin-Y (Eos) in the presence of amino-terminated polyamidoamine (PAMAM) dendrimers in alkaline aqueous solution is presented. Stationary photolysis experiments in deaerated and air equilibrated solutions were carried out. The absorption spectra of the photolyzed solutions in the absence of oxygen showed the formation of several intermediate...
The interactions between the xanthene dye Eosin-Y (Eos) and amino-terminated PAMAM dendrimers of low generations (G0–G3) were studied in alkaline water solution. The effect of concentration and generation of the dendrimer on the photophysics of Eos was evaluated by means of absorption and fluorescence spectroscopies. The observed spectral changes were ascribed to the association dye/dendrimer. From...
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