fig3

Figure 3. Development history of psaAWH. Silica gel^[31]. Porous carbon^[32]. Zeolite^[33]. Metal-organic frameworks. Reproduced with permission^[34]. Copyright The American Association for the Advancement of Science. Composite bead. Reproduced with permission^[35]. Copyright Springer Nature. PAM-CNT-CaCl₂. Reproduced with permission^[36]. Copyright American Chemical Society. PNIPAAm/Alg IPN gel. Reproduced with permission^[37]. Copyright Springer Nature. Covalent organic frameworks. Reproduced with permission^[27]. Copyright American Chemical Society. Crystalline organic porous salts. Reproduced with permission^[29]. Copyright John Wiley and Sons.