Fig. 2
From: Brassinosteroid-lipid membrane interaction under low and high temperature stress in model systems
Exemplary Langmuir isotherms (surface pressure π vs area per molecule A) for the monolayers of the unsaturated phosphocholine – PC 18:3 without BRs (0), with pure castasterone (CS), with a mix of homocastasterone plus castasterone at different molar ratios (xCS – molar fraction of castasterone in the mixed BRs solution) and with pure homocastasterone (HCS). Measurements taken at 20 ℃ (A) and 10 ℃ (B). Inserted figure shows the dependence of the compression modulus (Cs−1) vs the surface pressure of the analogous systems