Table 2.

Phase transition thermodynamic parameters (T_p, ΔT_1/2, ΔH_p, T_m, ΔT_1/2 and ΔH) for DMPC MLVs, with DMSO added to already formed liposomes, using DMSO contents between 0–40% (v/v) ^a.

XDMSO	% DMSO (v/v)	Tp/°C	ΔT1/2/°C	ΔHp kJ·mol−1	Tm/°C	ΔT1/2/°C	ΔH kJ·mol−1
0	0	13.0	2.2	2	23.9	0.6	21
0.013	5.0	13.2	2.7	3	24.2	0.6	21
0.027	10	15.2	3.3	3	24.4	0.7	20
0.060	20	17.9	3.8	2	25.2	1.2	17
0.098	30	21.5	3.8	2	26.1	1.3	16
0.14	40	---	---	---	28.2	2.0	15

^a The estimated uncertainty is ±0.2 °C for the transition temperature, ±0.2 °C for the half width at half height, and ±1.5 kJ·mol⁻¹ for ΔH.