The Des.solve team invited a scientist from an external institution to a brainstorming session, in order to discuss new developments and applications for Deep Eutectic Solvents. The invited researcher was Liane Moura, a Post-Doctoral Fellow at iMed.ULisboa (Faculty of Pharmacy of University of Lisbon) and member of BioNanoScience group. Liane is focused on the development of nanovaccines and characterization of the immune modulatory effect in melanoma and breast cancer mouse models, and the possible application of DES as adjuvants in nanoparticle formation was discussed.