Table 2.

One-photon, two-photon, and SHG order parameters and calculated biophysical parameters, which describe the tilt-angle probability density function of di-4-ANEPPS in two-model membrane systems and di-8-ANEPPS in one

		ϑ1PF	ϑ2PF	ϑ′2PF	ϑSHG	μ	γ	〈φ〉
di-4-ANEPPS	Droplets	—∗	0.60 ± 0.033	0.45 ± 0.068	0.59 ± 0.024	35.8° ± 1.5°	31.2° ± 3.6°	47°
	GUVs	0.75 ± 0.056	0.45 ± 0.058	0.63 ± 0.059	0.44 ± 0.026	36.7° ± 6.6°	38.1° ± 4.7°	52°
di-8-ANEPPS	Droplets	—∗	0.58 ± 0.052	0.23 ± 0.047	0.38 ± 0.040	21.8° ± 5.5°	31.4° ± 3.1°	38°

^∗One-photon fluorescence data cannot be obtained for the droplet model because background fluorescence is too intense.