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. 2019 Apr 4;11(4):622. doi: 10.3390/polym11040622

Figure 2.

Figure 2

The fluorescence microscope images of the CaAlg hydrogel membrane before (A) and after (B) eluted by Tris-HCl with the pH of 7.4. sodium alginate (NaAlg) concentration: 2.5 wt.%, Copper wire diameter: 0.2 mm.