Fig. 3.

Fluorescence characterization of Fmoc-G-PNA tetramer. a Fluorescence emission spectrum of assemblies at λ_ex = 280 nm. b Fluorescence emission spectra in solution at various concentrations, λ_ex = 290 nm. c Fluorescence melting profile obtained by monitoring emission at 330 nm under λ_ex = 290 nm. d Fluorescence decay curve of crystals excited at λ_ex = 280 nm and probed at 330 nm, along with the corresponding residuals