Delivery of nucleic acids with a stearylated (RxR)4 peptide using a non-covalent co-incubation strategy. by Lehto, T, Abes, R, Oskolkov, N, Suhorutsenko, J, Copolovici, D, Mäger, I, Viola, JR, Simonson, O, Ezzat, K, Guterstam, P, Eriste, E, Smith, C, Lebleu, B, Samir El Andaloussi, Langel, U