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Guanidinocalix[5]arene for sensitive fluorescence detection and magnetic removal of perfluorinated pollutants

Author

Listed:
  • Zhe Zheng

    (Nankai University)

  • Huijuan Yu

    (Tianjin University of Traditional Chinese Medicine)

  • Wen-Chao Geng

    (Nankai University)

  • Xin-Yue Hu

    (Nankai University)

  • Yu-Ying Wang

    (Nankai University)

  • Zhihao Li

    (Nankai University)

  • Yuefei Wang

    (Tianjin University of Traditional Chinese Medicine)

  • Dong-Sheng Guo

    (Nankai University)

Abstract

Perfluorinated alkyl substances, such as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), are toxic materials that are known to globally contaminate water, air, and soil resources. Strategies for the simultaneous detection and removal of these compounds are desired to address this emerging health and environmental issue. Herein, we develop a type of guanidinocalix[5]arene that can selectively and strongly bind to PFOS and PFOA, which we use to demonstrate the sensitive and quantitative detection of these compounds in contaminated water through a fluorescent indicator displacement assay. Moreover, by co-assembling iron oxide nanoparticle with the amphiphilic guanidinocalix[5]arene, we are able to use simple magnetic absorption and filtration to efficiently remove PFOS and PFOA from contaminated water. This supramolecular approach that uses both molecular recognition and self-assembly of macrocyclic amphiphiles is promising for the detection and remediation of water pollution.

Suggested Citation

  • Zhe Zheng & Huijuan Yu & Wen-Chao Geng & Xin-Yue Hu & Yu-Ying Wang & Zhihao Li & Yuefei Wang & Dong-Sheng Guo, 2019. "Guanidinocalix[5]arene for sensitive fluorescence detection and magnetic removal of perfluorinated pollutants," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13775-1
    DOI: 10.1038/s41467-019-13775-1
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    Cited by:

    1. Asmaa Jrad & Gobinda Das & Nour Alkhatib & Thirumurugan Prakasam & Farah Benyettou & Sabu Varghese & Felipe Gándara & Mark Olson & Serdal Kirmizialtin & Ali Trabolsi, 2024. "Cationic covalent organic framework for the fluorescent sensing and cooperative adsorption of perfluorooctanoic acid," Nature Communications, Nature, vol. 15(1), pages 1-17, December.

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