. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: Nanomedicine. 2011 Mar 17;7(6):797–805. doi: 10.1016/j.nano.2011.02.007

Table 2.

Lipid melting temperatures and packing parameters (PP).

Membrane component	%	T_m (°C)	PP
DOPC	47.5	-20	1.08²⁴
DPTAP	18.9	42	0.91²⁵
Chol	28.5	n/a	1.21²⁶
NBD-DPPE	1.0	63^a	1.04^b
PEG₇₅₀-DMPE	4.0	50^a	1.04^b
Fol-PEG₂₀₀₀-DSPE	0.1	74^a	1.04²⁷
molar average		1	1.08

based on T_m of DPPE, DMPE, and DSPE.

Calculated PP based on DSPE, PP = v_c(al_c)⁻¹, where v_c is the volume of the carbon tails, a is the area per lipid, and l_c is the length of the carbon tails.