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Fluorescein octadecyl ether octadecyl ester (FODEE) was synthesized. It was a better fluorescein analogue than fluorescein octadecyl ester (FODE). A prominent fluorescence enhancement effect was observed when the compound in poly(vinyl chloride)(PVC) membrane was applied to carboxylic acid solutions, while an outstanding quenching effect was observed when the membrane was applied to phenol solutions...
An optrode membrane for the determination of picric acid based on fluorescence energy transfer between fluoranthene (donor) and fluorescein octadecyl ester (acceptor) was developed. When fluoranthene is excited at 362.2 nm, it emits light in a spectral region that overlaps significantly with the fluorescence excitation spectrum of fluorescein octadecyl ester. Consequently, non-radiative energy transfer...
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