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a) Fluorescence lifetime values, b) absorption spectra, and c) emission spectra of 0.1 mg/mL G5-NH2-TAMRAn (n = 0, 1, 2, 3, 4, 5+, 1.5avg) in aqueous solution. A significant decrease in lifetime value (denoted by *) was observed for samples with n > 1 as compared to free TAMRA dye (pink) and G5-NH2-TAMRA1. The absorption increases while the emission decreases with increasing n. See Table S4 for p values.
