Abstract

When a novel fluorescent probe made of BINOL and coumarin is excited at λ1 = 365 nm in a neutral buffer solution, it shows fluorescence enhancement at 465 nm in the presence of an amino acid with a very small difference between the two enantiomers. When excited at λ2 = 467 nm, it shows highly enantioselective fluorescence enhancement at 534 nm. This allows the determination of both concentration and enantiomeric composition of amino acids.

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