Selective and sensitive ratiometric fluorescent probe for copper(II) cations in an aqueous solution based on resonance energy transfer and “1,8-naphthalimide–styrylpyridine” dyad bearing dipicolylamine receptorPavel A. Panchenko, Olga A. Fedorova, Maria A. Ustimova et al.|Frontiers of Chemical Science and Engineering|2025Cited by 2