Skip to main content
. Author manuscript; available in PMC: 2015 Jan 27.
Published in final edited form as: J Control Release. 2013 Oct 8;172(3):690–698. doi: 10.1016/j.jconrel.2013.09.027

Fig. 1. Chemical structure of helper lipids.

Fig. 1

(A) Cholesterol, (B) various PCs (C) unsaturated fatty acids (OA, LA and LNA).