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. 2014 Feb 18;15(2):2761–2772. doi: 10.3390/ijms15022761

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© 2014 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 1. — In vitro release curves of VCR and VRP by dialysis method in phosphate buffers with various pH values. (A) The accumulative release quantity (Q) of VCR from free VCR/VRP combinations within 3 h; (B) The accumulative release quantity (Q) of VRP from free VCR/VRP combinations within 3 h; (C) The accumulative release quantity (Q) of VCR from VCR-VRP-PLGANPs within 24 h; (D) The accumulative release quantity (Q) of VRP from VCR-VRP-PLGANPs within 24 h.