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. 2021 Jan 16;9(1):81. doi: 10.3390/biomedicines9010081

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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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Physicochemical characterization of control and fluorescence-labeled cancer cell line-derived exosomes. (A) Transmission electron microscope images show the nanovesicle morphology. (B) Size distributions of exosomes produced with dynamic light scattering. Data are expressed as the mean ± standard deviation. (C) Flow cytometry results show abundances of control exosomes and the fluorescent nano-probes. SCy: sulfo-cyanine 7.5; U87Exo: exosomes derived from U87 glioblastoma cells; B16Exo: exosomes derived from B16F10 mouse melanoma cells.