fig1

Figure 1. Chemical structure of chitosan, comprising N-acetyl-D-glucosamine (right) and D-glucosamine (left) units. Adapted with permission from Andrade et al.[33]
Figure 1. Chemical structure of chitosan, comprising N-acetyl-D-glucosamine (right) and D-glucosamine (left) units. Adapted with permission from Andrade et al.[33]
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