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. 2018 Sep 6;4(3):75. doi: 10.3390/gels4030075

Figure 1.

Figure 1

Nanocomposite hydrogels gels with various shapes: (a) thin film, (b) sheet, (c) uneven sheet, (d) hollow tube, and (e) bellows. Reprinted with permission from Reference [8]. Copyright 2007 Elsevier.