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. 2017 Apr 11;15(4):91. doi: 10.3390/md15040091

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© 2017 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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Morphology of the Alg/PGA Composite Microparticles. Note: SEM images of various microparticles at 500, 2000 and 20,000 magnification scales (a–e belongs to alginate microparticles and Alg/PGA composite microparticles with mass ratio is m_Alg:m_PGA = 9:1, 8:2, 7:3, 6:4 respectively).