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. Author manuscript; available in PMC: 2020 Mar 31.
Published in final edited form as: Langmuir. 2019 Nov 14;35(47):15232–15241. doi: 10.1021/acs.langmuir.9b02590

Fig. 3.

Fig. 3.

Changes in the surface pressure (Δπ) vs the initial surface pressure (π0) for DPPC (■), DPPC:CHOL 4:1 (●) and DPPC:CHOL 1:1 (▲) monolayers due to injection of TNAP at subphase. The intercept with abscissa indicated by the arrows is the πexc.