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  • Ligand-Mediated Spatially Controllable Superassembly of Asymmetric Hollow Nanotadpoles with Fine-Tunable Cavity as Smart H2O2-Sensitive Nanoswimmers

    Author(s)
    Yan, Miao
    Xie, Lei
    Qiu, Beilei
    Zhou, Shan
    Liu, Tianyi
    Zeng, Jie
    Liang, Qirui
    Tang, Jinyao
    Liang, Kang
    Zhao, Dongyuan
    Kong, Biao
    Griffith University Author(s)
    Zhao, Dongyuan
    Year published
    2021
    Metadata
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    Abstract
    Ligand-mediated interface control has been broadly applied as a powerful tool in constructing sophisticated nanocomposites. However, the resultant morphologies are usually limited to solid structures. Now, a facile spatially controllable ligand-mediated superassembly strategy is explored to construct monodispersed, asymmetric, hollow, open Au-silica (SiO2) nanotadpoles (AHOASTs). By manipulating the spatial density of ligands, the degree of diffusion of silica can be precisely modulated; thus the diameters of the cavity can be continuously tuned. Due to their highly anisotropic, hollow, open morphologies, we construct a ...
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    Ligand-mediated interface control has been broadly applied as a powerful tool in constructing sophisticated nanocomposites. However, the resultant morphologies are usually limited to solid structures. Now, a facile spatially controllable ligand-mediated superassembly strategy is explored to construct monodispersed, asymmetric, hollow, open Au-silica (SiO2) nanotadpoles (AHOASTs). By manipulating the spatial density of ligands, the degree of diffusion of silica can be precisely modulated; thus the diameters of the cavity can be continuously tuned. Due to their highly anisotropic, hollow, open morphologies, we construct a multicompartment nanocontainer with enzymes held and isolated inside the cavity. Furthermore, the resulting enzyme-AHOASTs are used as biocompatible smart H2O2-sensitive nanoswimmers and demonstrate a higher diffusion coefficient than other nanoscaled swimmers. We believe that this strategy is critical not only in designing sophisticated hollow nanosystem but also in providing great opportunities for applications in nanomaterial assembly, catalysis, sensors, and nanoreactors.
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    Journal Title
    ACS Nano
    DOI
    https://doi.org/10.1021/acsnano.1c01159
    Note
    This publication has been entered as an advanced online version in Griffith Research Online.
    Subject
    Inorganic chemistry
    Nanotechnology
    H2O2-sensitive nanoswimmers
    direct superassembly
    fine-tunable cavity
    ligand-mediated
    nanosynthesis
    Publication URI
    http://hdl.handle.net/10072/404197
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    • Journal articles

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