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. Author manuscript; available in PMC: 2017 Jun 14.
Published in final edited form as: Chem Commun (Camb). 2016 Jun 14;52(50):7798–7801. doi: 10.1039/c6cc00105j

Fig. 2.

Fig. 2

Increased fluorescence quenching by dithioamides observed in steady state spectra and fluorescence lifetime measurements. Left: Fluorescence emission spectra (λex = 333 nm) of peptides 1-7 at 5 μM in 10 mM sodium phosphate, 150 mM NaCl, pH7.0 buffer. Right: Fluorescence emission spectra (λex = 333 nm) of peptides 13-16 at 5 μM in 10 mM sodium phosphate, 150 mM NaCl, pH7.0 buffer. Inset: Time-correlated single photon counting measurements of (λex = 340 nm, λem = 393 nm) of peptides 13-16 at 5 μM in the same buffer, shown fit to single exponential decays (see ESI for details). Instrument response function is shown in light purple.