... pH 7.4. For samples containing lipid, the lipidwas first made into a dry film from a solution of chloroform/methanol, and then hydrated by vortexing with buffer. The lipid suspension was then sonicated ... 467 nm and emission at539 nm, using 4 nm bandpass slits in excitation and emission and a 490-nm cut off filter in the emission path.Polarizers were set at 90° for the excitation and 0° for the emission ... II and for [Ala8,13,18]-magainin II amide (data not shown).In a toroidal pore there are two types of curvatures to beconsidered, i.e. one in the plane of the membrane and the other along the...