Skip to main content
. 2022 Apr 5;8(4):221. doi: 10.3390/gels8040221

Figure 2.

Figure 2

(A) A schematic procedure of the preparation of CS-CPL sorbents. (B) Optical pictures showing freeze-dried CS-CPL microbeads before and after interaction with 4,4′–ethylenebis(2,6– morpholinedione) (EDTAD) and schematic illustration of –NH2, -OH, and EDTA functional groups available within CS-CPL and CSEDTA-CPL composite sorbents available for interaction with HMIs.