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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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(A) Morphology of PG4.5-DETA-biotin/GEM nanoparticles examined by AMF. (B) Schematic representation of hydrogen bonding between biotin and gemcitabine in PG4.5-DETA-biotin/GEM nanoparticles.