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. 2021 Sep 28;13(19):3326. doi: 10.3390/polym13193326

Figure 3.

Figure 3

(a) Ch/TPP/Alg beads formation medium during Ch addition (left) and after precipitation (right); (b) microscopic view of microspheres sediment; (c) FTIR spectrum of Ch (blue) and Chitosan/TPP/Alg beads (orange).