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Interfacing Supramolecular Gels and Quantum Dots with Ultrasound: Smart Photoluminescent Dipeptide Gels

Authors

  • David Bardelang,

    Corresponding author
    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
    • Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada).
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  • Md. Badruz Zaman,

    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
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  • Igor L. Moudrakovski,

    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
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  • Shane Pawsey,

    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
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  • James C. Margeson,

    1. Institute for Research in Construction, National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A0R6 (Canada)
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  • Dashan Wang,

    1. Institute for Chemical Process and Environmental Technology, National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A0R6 (Canada)
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  • Xiaohua Wu,

    1. Institute for Microstructural Sciences, National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6 (Canada)
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  • John A. Ripmeester,

    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
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  • Christopher I. Ratcliffe,

    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
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  • Kui Yu

    Corresponding author
    1. Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada)
    • Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A0R6 (Canada).
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  • National Research Council of Canada is acknowledged for financial support. We are also grateful to Dr. Stephen Lang and Dr. Ruibing Wang for helpful discussions. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

Ultrasound triggers the formation of a peptide-based supramolecular gel that is readily doped with CdSe/ZnS quantum dots affording highly luminescent gels. Xerogels are stable for months and possess inherent porosity as probed by hyperpolarized 129Xe NMR affording new light-emitting materials for chemical sensing.

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