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. 2015 May 28;10(5):e0128362. doi: 10.1371/journal.pone.0128362

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© 2015 Oprenyeszk et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — Macroscopic image of chitosan-alginate beads (A). Scanning electron micrograph of chitosan-alginate bead (B; original magnification x50) showing the surface morphology (C; original magnification x2000), the internal morphology (D; original magnification x5000) and the alginate matrix (E; original magnification x10000).