... fluo-rescence and DLS experiments, a combination of CDand FTIR spectroscopy was used.First, the effect of increasing concentrations of SDSon C- peptide was investigated by CD spectroscopy(Fig. ... aggregatedspecies, whereas higher concentrations [well above thecritical micelle concentration (CMC)] instead promotethe formation of a-helical structures, protected fromaqueous solvent [26]. Hence, ... studied using techniques suchas size exclusion chromatography, light scattering, elec-tron microscopy, MS, gel electrophoresis and a widerange of spectroscopic techniques.Suitable methods...