Finally, differential scanning calorimetry (DSC) was used to assess the thermal stability of the nanocomposites (Figure ). The peptide gel without NDs displayed a glass transition with an onset T = 43 °C, which was accompanied by an opacification of the sample, followed by melting at 70 °C. Presence of NDs resulted in lower thermal stability, with an onset temperature for melting at ~53 °C, except for the nanocomposite with the higher ND loading, which started melting at 49 °C. Interestingly, at 43 °C the peptide gel displayed a glass transition that resulted in the opacification of the sample, which was not always detectable for the nanocomposites.