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Normalized fluorimetric titrations of benzoxazolyl-alanine 3d with Pd2+: (a) in acetonitrile and (b) in SDS (20 mM, pH 7.5)/acetonitrile (90:10). [3d] = 1.0 × 10−5 M], λexc = 363 nm. Inset: Normalized emission at 447 nm as a function of added ion equivalents.
