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    Amine-functionalized SiO2 nanodot-coated layered double hydroxide nanocomposites for enhanced gene delivery

    Access Status
    Fulltext not available
    Authors
    Li, L.
    Gu, W.
    Liu, Jian
    Yan, S.
    Xu, Z.
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Li, L. and Gu, W. and Liu, J. and Yan, S. and Xu, Z. 2015. Amine-functionalized SiO2 nanodot-coated layered double hydroxide nanocomposites for enhanced gene delivery. Nano Research. 8 (2): pp. 682-694.
    Source Title
    Nano Research
    DOI
    10.1007/s12274-014-0552-6
    ISSN
    1998-0124
    URI
    http://hdl.handle.net/20.500.11937/12574
    Collection
    • Curtin Research Publications
    Abstract

    In this work a novel strategy has been developed to prepare well-dispersed amine-functionalized SiO2 nanodot-coated layered double hydroxide nanocomposite (NH2-SiO2@LDH) via electrostatic interactions and condensation of (3-aminopropyl)triethoxysilane (APTES). This nanocomposite system is well dispersed in culture media and phosphate buffered saline, and exhibits low cytotoxicity and good biocompatibility. The fluorescence microscopy images and flow cytometry data indicate that such an NH2-SiO2@LDH nanocomposite is able to efficiently deliver small interfering RNA (siRNA) into the U2OS cell line to inhibit cell proliferation. Thus, NH2-SiO2@LDH nanocomposite has a great potential as a nanocarrier for efficient gene delivery.

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