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. 2017 Sep 6;2(3):17. doi: 10.3390/biomimetics2030017

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© 2017 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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Fluorescence emission spectra and TEM images of in situ labeled MMNP@RA123 and MMNP@RAB. (a) Fluorescent emission spectra (λ_ex = 500 nm) of MMNP@RA123@PEG after seven day dialysis in 1× phosphate-buffered saline (PBS), rhodamine 123, and MMNP@PEG. (b) TEM image of MMNP@RAB. (c) Fluorescent emission spectra (λ_ex = 555 nm) of MMNP@RAB@PEG after seven day dialysis in 1× PBS, rhodamine B, and MMNP@PEG. (d) TEM image of MMNP@RA123.