This is the post-print version of the following article: Tasca, E; Andreozzi, P; Del Giudice, A; Galantini funding, L; Schillén, K; Maria Giuliani, A; de los Angeles Ramirez, M; Moya, S; Giustini, M., Poloxamer/sodium cholate co-formulation for micellar encapsulation of Doxorubicin with high efficiency for intracellular delivery: an in-vitro bioavailability study, Journal of Colloid and Interface Science, Volume 579, 1 November 2020, Pages 551-561 DOI: 10.1016/j.jcis.2020.06.096 This article may be used for non-commercial purposes in accordance with Elsevier Terms and Conditions for Self-Archiving. © <2020>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/