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The aim is to develop robust adsorbents for the rapid capture of radioactive iodine, addressing environmental and health threats.

Tetralactam macrocycle-based polymers for efficient and rapid adsorption of radioactive iodine

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Randomized trial demonstrates efficient iodine capture in cross-linked polymers, indicating their potential for use in nuclear safety.

The aim is to develop robust adsorbents for the rapid capture of radioactive iodine, addressing environmental and health threats.
Synthesize two cross-linked macrocycle-based porous organic polymers (P1 and P2) with differing functionalities.
Conduct dynamic flow-through experiments to assess iodine capture capabilities.
Evaluate stability and performance under varying pH conditions (2-10) and test for reusability.
P1 achieves complete iodine adsorption in 5 minutes with an adsorption rate constant of 18.92 g g −1 min −1.
P1 demonstrates 96.4% efficiency for radioactive 131 I removal, significantly minimizing radiation contamination.
Both polymers exhibit excellent stability and performance, showing effective reusability for practical applications.

Qiu et al. (2026) studied this question.

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