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Fig. 4 | Biotechnology for Sustainable Materials

Fig. 4

From: Sustainable dressings for wound healing

Fig. 4

The mechanism of ultrasonic treatments on silk fibroin materials regenerated from the formic acid-CaCl2 solution system. Taken from ref [96]. 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 credited

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