NEQLIQ will merge the expertise of the host group in surfactants, micelles, and microfluidics, together with the background of the applicant using optical micromanipulation techniques, to unravel the fundamental features of the energetics of small systems. An ambitious training program including several new scientific and soft skills to be transferred to the applicant is also envisaged. Moreover, the applicant will transfer his knowledge to the host group and will be the link between them to forge future collaborations.