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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 (https://creativecommons.org/licenses/by/4.0/).
Characterization of EXOs obtained from CM. (A) TEM photograph for CM-EXOs, Scale bar = 200 nm. (B) The percentage of exosomal CD63 and CD81 protein positivity as determined by flow cytometry analysis.