Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13287-023-03567-2/MediaObjects/13287_2023_3567_Fig4_HTML.png)
FTIR spectrum of chitosan and alginate pure and their combination as CA (a–c) and FTIR spectrum of AA, TP pure and their combination with CA (d–f, respectively)
FTIR spectrum of chitosan and alginate pure and their combination as CA (a–c) and FTIR spectrum of AA, TP pure and their combination with CA (d–f, respectively)