Analytical ultracentrifugation for analysis of doxorubicin loaded liposomes.

Analytical ultracentrifugation (AUC) is a powerful tool for the study of particle size distributions and interactions with high accuracy and resolution. In this work, we show how the analysis of sedimentation velocity data from the AUC can be used to characterize nanocarrier drug delivery systems used in nanomedicine. Nanocarrier size distribution and the ratio of free versus nanoparticle-encapsulated drug in a commercially available liposomal doxorubicin formulation are determined using interference and absorbance based AUC measurements and compared with results generated with conventional techniques. Additionally, the potential of AUC in measuring particle density and the detection of nanocarrier sub-populations is discussed as well. The unique capability of AUC in providing reliable data for size and composition in a single measurement and without complex sample preparation makes this characterization technique a promising tool both in nanomedicine product development and quality control. Copyright © 2017 The Authors. Published by Elsevier B.V. All rights reserved.

Citation

Dora Mehn, Patrizia Iavicoli, Noelia Cabaleiro, Sven Even Borgos, Fanny Caputo, Otmar Geiss, Luigi Calzolai, François Rossi, Douglas Gilliland. Analytical ultracentrifugation for analysis of doxorubicin loaded liposomes. International journal of pharmaceutics. 2017 May 15;523(1):320-326

Mesh Tags

Substances

PMID: 28342788

search → result