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(a) Surface tension of aqueous solutions of SCM-(S-S)-PEG upon the addition of DTT. [Surfactant in SCM] = 1 (□), 2 (△), 5 (◇), and 10 μM (+) from top to bottom. [DTT] = 1 mM. (b) Relative scattering intensity (△) and hydrodynamic radius (red ■) of SCM-PEG after the addition of DTT. [Surfactant in SCM] = 0.6 mM. [DTT] = 6 mM. (Reprinted with permission from ref (33). Copyright 2012, American Chemical Society, Washington, DC.)
