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A mitochondria-targeted fluorescence probe (CPBT) for ratiometric detection of endogenous hypochlorite in the living cells was developed. CPBT could detect hypochlorite with high selectivity and sensitivity in a ratiometric manner based on FRET mechanism. In absence of hypochlorite, when CPBT was excited with absorption maximum wavelength of the donor moiety, it showed the emission of acceptor moiety...
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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