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. 2008 Mar 13;94(12):4725–4736. doi: 10.1529/biophysj.107.121731

FIGURE 2.

FIGURE 2

Average lipid area-stretch moduli KA measured at 15°C and 32–33°C for SOPC, 1:1 DOPC/CHOL, 1:1 SOPC/CHOL, 1:1 SM/CHOL, 1:1:1 DOPC/SM/CHOL, and 1:1:1 SOPC/SM/CHOL bilayers. Fifty to eighty vesicles were tested for each system and temperature (means ± SD given in Table 1). The elastic moduli for the ternary 1:1:1 DOPC/SM/CHOL and 1:1:1 SOPC/SM/CHOL systems at 15°C represent vesicles subjected to prestress followed by continuous loading (Fig. 1). Also plotted for comparison as discussed in the text are results for 1:1:2 SOPC/SM/CHOL vesicles.