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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/).
EVs were isolated using differential centrifugation and identified using TEM, NTA, and WB. (A) TEM observation of the EV morphology. (B) NTA measurement of the EV particle distribution and concentration. (C) WB analysis of the EV markers CD9, CD63, and HSP70.