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Photophysical characterizations of F68Chrom5 and F68Chrom7. A) Solubility limit (mM) measured by saturating a perfluorooctylbromide (PFOB) solution. B) Fluorous partition coefficient measured in a perfluoromethylcyclohexane:toluene system at 3 mM. C) Normalized absorption and emission spectra taken in PFOB at 2 μM. D) Table of photophysical properties comparing F68Chrom (reported in PFOB) dyes with their organic congeners (reported in dichloromethane). See Table S1 for errors.
