Fig 1.
Schematic chemical structure of the lipid and ionic liquids studied in this work.
Fig 2.
Time evolution of Δ f/n (solid lines) and ΔD (dashed lines) during a QCM-D experiment of DMPC vesicle adsorption exposed to (A) [C4mim]Cl, (B) [C8mim]Cl and (C) [C10mim]Cl at a concentration of 50 mM. (D) ΔD vs Δf/n plot for all three mixtures. Black arrows indicate the time when a given sample was added. (E) Schematic representation of the action of short chain and long chain ionic liquids on DMPC SLVs.
Fig 3.
Time evolution of Δf/n (solid lines) and ΔD (dashed lines) during a QCM-D experiment of DMPC vesicle adsorption exposed to (A) [C4mim]Cl, (B) [C4mim][BF4] and (C) [C4mim][Tf2N] at a concentration of 50 mM. (D) ΔD vs Δf/n plot for all three mixtures. Black arrows indicate the time when a given sample was added.
Fig 4.
Overview of the time dependence of the Δf/n and ΔD responses of systems containing 30 mM and 100 mM [C4mim]Cl, [C8mim]Cl and [C10mim]Cl onto a gold-coated QCM-D quartz sensor.
Results are displayed for overtone 7th.
Table 1.
Mean diameter and half-width of the size distribution of DMPC vesicles incubated in the presence of ILs.
The number in parentheses is the polydispersity index.
Fig 5.
(A) Temperature dependence of the calculated effective viscosity ηnorm normalized as of a supported vesicle layer on a gold-coated QCM-D quartz sensor. (B) Temperature profiles of the first-order temperature derivative of the frequency shifts. For display reasons, the data have been shifted upwards a constant value.