Journal Article CLR, cholesterol DDS, drug delivery system DOPC DOPC, dioleoylphosphatidylcholine Drug delivery GA, glycyrrhizic acid Glycyrrhizin Lipid bilayer MD, molecular dynamics Membrane penetration Molecular dynamics NF, nifedipine NMR NMR, nuclear magnetic resonance Nifedipine PAMPA PAMPA, parallel artificial membrane permeability assay PMF, potential of mean force Research Support, Non-U.S. Gov't TBK, tebuconazole VDW, Van der Waals