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. 2020 May 11;12(5):443. doi: 10.3390/pharmaceutics12050443

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© 2020 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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FACS analysis of apoptosis in HeLa cells treated with PBS as a control, free GEM, biotin + PG4.5-DETA-biotin/GEM, or PG4.5-DETA-biotin/GEM for 24 h followed by Annexin V-Alexa Fluor 488 and PI double staining.