Preparation and adsorption performance of magnetic metal-organic framework amyloid fibril aerogel for the separation of lutetium-177 from nuclear medicine wastewater

Huan WANG; Cen SHI; Liangliang YIN; Yanqin JI

doi:10.11889/j.1000-3436.2025-0028

Journal of Radiation Research and Radiation Processing, Volume. 43, Issue 4, 040202(2025)

Preparation and adsorption performance of magnetic metal-organic framework amyloid fibril aerogel for the separation of lutetium-177 from nuclear medicine wastewater

Huan WANG, Cen SHI, Liangliang YIN, and Yanqin JI^*

Author Affiliations

Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China

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Figures & Tables(7)

Fig. 1. (a) AFM image of amyloid fibrils; (b) TEM image of amyloid fibrils; (c) TEM image of Fe₃O₄; (d) SEM image of UiO-66-NH₂

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Fig. 2. (a) SEM image of M-UiO-66-NH₂/AF aerogel; (b) EDS multi-element mapping image of M-UiO-66-NH₂/AF aerogel; (c) Zr elemental mapping image of M-UiO-66-NH₂/AF aerogel; (d) Lu elemental mapping image of M-UiO-66-NH₂/AF aerogel after adsorption of Lu-DOTA-TATE

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Fig. 3. (a) FTIR spectra of UiO-66-NH₂and M-UiO-66-NH₂/AF aerogel; (b) XRD patterns of Fe₃O₄, UiO-66-NH₂ and M-UiO-66-NH₂/AF aerogel; (c) VSM curves of Fe₃O₄ and M-UiO-66-NH₂/AF aerogel; (d) TGA curve of UiO-66-NH₂/AF aerogel (color online)

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Fig. 4. Effect of pH on the adsorption of Lu-DOTA-TATE by M-UiO-66-NH₂/AF aerogel

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Fig. 5. (a) Effect of time on the adsorption of Lu-DOTA-TATE by M-UiO-66-NH₂/AF aerogel; (b) effect of initial mass concentration on the adsorption of Lu-DOTA-TATE by M-UiO-66-NH₂/AF aerogel; (c) Langmuir fitting of the adsorption data;(d) Freundlich fitting of the adsorption data (color online)

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Fig. 6. The chemical structure of ¹⁷⁷Lu-DOTA-TATE

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Table 1. Comparison of the properties of M-UiO-66-NH₂/AF aerogel and AF aerogel
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Table 1. Comparison of the properties of M-UiO-66-NH₂/AF aerogel and AF aerogel
性能
Performance
AF气凝胶
AF aerogel
M-UiO-66-NH₂/AF
比表面积 / (cm²·g⁻¹)
Specific surface area
11.37 17.24
孔径 / nm
Pore size
1.52 5.97
吸附效率 / %
Absorption rate
68 92

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Huan WANG, Cen SHI, Liangliang YIN, Yanqin JI. Preparation and adsorption performance of magnetic metal-organic framework amyloid fibril aerogel for the separation of lutetium-177 from nuclear medicine wastewater[J]. Journal of Radiation Research and Radiation Processing, 2025, 43(4): 040202

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