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Construction of Micropore Membranes for Efficient Separation of Chiral Pesticides Based on Layer-by-Layer Technology

Lv, Bizhu ; Zhong, Ruying ; Wang, Yue ; Li, Guang ; Zhang, Siyun ; Yang, Lei ; Cai, Meng ; Zhang, Jin ; Lu, Zhiyan ; Li, Haibing ; Zhang, Xiao-Bing

ACS agricultural science & technology, 2022-12, Vol.2 (6), p.1230-1238 [Periódico revisado por pares]

American Chemical Society

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  • Título:
    Construction of Micropore Membranes for Efficient Separation of Chiral Pesticides Based on Layer-by-Layer Technology
  • Autor: Lv, Bizhu ; Zhong, Ruying ; Wang, Yue ; Li, Guang ; Zhang, Siyun ; Yang, Lei ; Cai, Meng ; Zhang, Jin ; Lu, Zhiyan ; Li, Haibing ; Zhang, Xiao-Bing
  • É parte de: ACS agricultural science & technology, 2022-12, Vol.2 (6), p.1230-1238
  • Descrição: Chiral pesticide enantiomers play an important role in regulating plant growth due to their different physiology, pharmacology, and toxicity. However, efficient separation of chiral pesticides remains a global challenge. Ibuprofen (IBU), a chiral compound that has an important influence on the growth of plants, was chosen as a model molecule of plant growth regulator. Herein, in this work, l-Trp-l-Ala-P6 was chosen as a chiral ligand, and STI-NH2 was chosen as a guest molecule. We designed and fabricated chiral micropore membranes with both high selectivity and high flux effects using the layer-by-layer (LBL) self-assembly method, which achieved the selective separation of R-IBU from the racemic IBU accompanied by high flux and high selectivity. Meanwhile, the effects of separated R-IBU and S-IBU on the growth of wheat seedlings were studied. The results showed that after separation by the LBL-assembled chiral micropore-4, R-IBU exhibited a more effective activity in promoting the growth of wheat seedlings. This LBL-assembled chiral micropore membrane may have potential application in the separation of chiral pesticides in the future.
  • Editor: American Chemical Society
  • Idioma: Inglês
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