(SUVs and LUVs) under mechanical tension induced by osmotic gradient. Our data on Laurdan solvation in liposomes suggested that me chanical membrane tension leads to significant changes in polarity (i.e. level of hydration) of the lipid bilayer membrane [18];studies by
other groups showed that Laurdan emission is extremely sensitive to the composition, phase state (gel or liquid-crystalline) and hydration
of the lipid bilayer membrane [26–29].