Fluorescent labeling and tracking of nanoclay

Carlos A. Diaz, Yining Xia, Maria Rubino, Rafael Auras, Krishnamurthy Jayaraman, Joseph Hotchkiss

    Research output: Research - peer-reviewArticle

    • 16 Citations

    Abstract

    We report a methodology developed to detect and track stable fluorescent-labeled nanoclay, in polymer-clay nanocomposite films, and in a contact solvent after migration testing. Fluorescein-5-maleimide (fluorescein) or tetramethylrhodamine-5-maleimide (rhodamine) was covalently bonded to organically modified montmorillonite (o-MMT). Fluorescein- and rhodamine-labeled nanoclay showed good thermal stability up to 220°C and the rhodamine-labeled nanoclay remained stable at 250°C. Confocal laser scanning microscopy was used to confirm the tagging and to detect the fluorescent-labeled nanoclays in various systems.

    LanguageEnglish (US)
    Pages164-168
    Number of pages5
    JournalNanoscale
    Volume5
    Issue number1
    DOIs
    StatePublished - Jan 7 2013

    Profile

    Nanocomposite films
    Clay minerals
    Labeling
    Microscopic examination
    Clay
    Thermodynamic stability
    Scanning
    Lasers
    Testing
    Polymers
    Rhodamines
    Fluorescein
    Bentonite
    tetramethylrhodamine
    clay
    fluorescein 5-maleimide
    maleimide

    ASJC Scopus subject areas

    • Materials Science(all)

    Cite this

    Fluorescent labeling and tracking of nanoclay. / Diaz, Carlos A.; Xia, Yining; Rubino, Maria; Auras, Rafael; Jayaraman, Krishnamurthy; Hotchkiss, Joseph.

    In: Nanoscale, Vol. 5, No. 1, 07.01.2013, p. 164-168.

    Research output: Research - peer-reviewArticle

    Diaz, CA, Xia, Y, Rubino, M, Auras, R, Jayaraman, K & Hotchkiss, J 2013, 'Fluorescent labeling and tracking of nanoclay' Nanoscale, vol 5, no. 1, pp. 164-168. DOI: 10.1039/c2nr32978f
    Diaz CA, Xia Y, Rubino M, Auras R, Jayaraman K, Hotchkiss J. Fluorescent labeling and tracking of nanoclay. Nanoscale. 2013 Jan 7;5(1):164-168. Available from, DOI: 10.1039/c2nr32978f
    Diaz, Carlos A. ; Xia, Yining ; Rubino, Maria ; Auras, Rafael ; Jayaraman, Krishnamurthy ; Hotchkiss, Joseph. / Fluorescent labeling and tracking of nanoclay. In: Nanoscale. 2013 ; Vol. 5, No. 1. pp. 164-168
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