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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/).
Preparation of FRRG-MMAE nanoparticles. (a) Synthetic route for preparation of tumor-specific monomethyl auristatin E (MMAE) prodrug nanoparticles, FRRG-MMAE. The (b) purity and (c) molecular weight of FRRG-MMAE after preparation.