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. 2021 Jan 14;13(1):99. doi: 10.3390/pharmaceutics13010099

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© 2021 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Immune-escaping capability of RPTR-701Ns. (A) LSCM images of uptake of PTR-701Ns and RPTR-701Ns by RAW264.7 cells. PLGA was labelled with DiO (green). (B) Fluorescence intensity was examined by a flow cytometer. (C) Quantitative analysis of the mean and (D) Media fluorescence intensity. Data were presented as mean ± SD (n = 3), ** p < 0.01.