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. Author manuscript; available in PMC: 2009 Jun 15.
Published in final edited form as: Biochim Biophys Acta. 2007 Nov 19;1778(2):414–422. doi: 10.1016/j.bbamem.2007.11.005

Table 1.

Hyperfine spacing, effective water concentration, and number of water molecules sensed by the spin probe in the polar shell of LMPC micelles, DMPG vesicles and DMPG-LMPC vesicles at 35 °C.

Mole percentage of LMPC in DMPG vesicles A+/G [H2O]/M
nWSP
0 15.994 ± 0.006 19.29 ± 0.25 6.2 (9.0a)
2 16.033 ± 0.005 20.95 ± 0.21 6.8
3.5 16.069 ± 0.005 22.49 ± 0.21 7.3
4 16.097 ± 0.001 23.68 ± 0.04 7.6
5 16.145 ± 0.003 25.73 ± 0.13 8.3
10 16.169 ± 0.004 26.76 ± 0.17 8.6
20 16.191 ± 0.003 27.69 ± 0.13 8.9
100 16.110 ± 0.001 24.42 ± 0.04 9.8 (10.2b)
a

Calculated using Eq.(10), (A = 59.6 Å2, h = 9 Å and VL = 267 Å3)

b

Calculated from the simple spherical geometry of LMPC micelles [35].