Stearylated R8 (lipidated octaarginine) attached to MITO-Porter surface (10 mol% of total lipids). Dual-ligand variants include Chol-aptamer inserted into lipid membrane (2.5 mol% of total lipids): 5′-UCUCCCUGAGCUUCAGG-3′ (2′-O-methyl RNA; Cholesterol at 3′ end)