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. 2019 Aug 7;24(16):2872. doi: 10.3390/molecules24162872

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© 2019 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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FE-SEM images of AA:ALG-based microparticles from 5 g L⁻¹ to 20 g·L⁻¹ of total dispersed solids and 1:1, 1:2 to 1:4 AA:ALG-polymer ratio; (A) AA:ALG-5.0, (B) AA:ALG-12.5, (C) AA:ALG-20.0, (D) AA:ALG-5.0, (E) AA:2ALG-12.5, (F) AA:2ALG-20.0, (G) AA:4ALG-5.0, (H) AA:4ALG-12.5, (I) AA:4ALG-20.0.