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. Author manuscript; available in PMC: 2022 May 29.
Published in final edited form as: Biomacromolecules. 2019 Aug 19;20(9):3385–3391. doi: 10.1021/acs.biomac.9b00621

Figure 2.

Figure 2.

Interfacial activities of polyMPC-PPO-polyMPC. (A) Gibbs adsorption isotherms at the air/water interface and 25 °C. (B,C) Change of area per lipid molecule after insertion of polyMPC-PPO-polyMPC into a (B) DMPC monolayer and (C) DPPC monolayer at π = 30 mN/m and 25 °C. The polymer concentration in the water subphase was 50 μmol/L. Note: (A − A0)/A0 of DMPC and DPPC for BCP_6.5K[14] does not represent equilibrium values as the barrier had reached its physical limitation. The observed difference of (A − A0)/A0 for the two monolayers is due to their distinctive A0 at 30 mN/m, where A0_DMPC is 56 Å2/mol and A0_DPPC is 45 Å2/mol.