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Issue 1, 2013
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Fluorescent labeling and tracking of nanoclay

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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.

Graphical abstract: Fluorescent labeling and tracking of nanoclay

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Publication details

The article was received on 28 Sep 2012, accepted on 07 Nov 2012 and first published on 08 Nov 2012


Article type: Communication
DOI: 10.1039/C2NR32978F
Citation: Nanoscale, 2013,5, 164-168
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    Fluorescent labeling and tracking of nanoclay

    C. A. Diaz, Y. Xia, M. Rubino, R. Auras, K. Jayaraman and J. Hotchkiss, Nanoscale, 2013, 5, 164
    DOI: 10.1039/C2NR32978F

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