Synthesis of new ESIPT-fluorescein: photophysics of pH sensitivity and fluorescence |
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| Authors: | Patil Vikas S Padalkar Vikas S Phatangare Kiran R Gupta Vinod D Umape Prashant G Sekar Nagaiyan |
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| Institution: | Institute of Chemical Technology, N. P. Marg, Matunga, Mumbai, 400 019 Maharashtra, India. |
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| Abstract: | ESIPT-inspired benzimidazolyl substituted fluorescein dyes were synthesized. PH-sensitivity was determined by the photophysical property measured at a physiological possible pH range. Fluorescence quantum efficiency values were calculated independently at two different emissions. A rational relationship is defined between fluorescence quantum efficiency and calculated HOMO energy. |
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