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Issue 7, 2013
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Excitation polarization provides structural resolution of individual non-blinking nano-objects

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Abstract

We propose to combine the method of fluorescence intensity centroid localization with rotation of the plane of excitation polarization. Polarized light interacts selectively with differently oriented fluorophores; thus yielding topological information on the nanometer scale, without any need for fluorophore blinking. The method is applicable to photostable individual systems, when most of the traditional super-resolution methods fail. A theoretical study is supported by experiments on 30 nm long cyclodextrin-encapsulated single polyrotaxane conjugated polymer chains.

Graphical abstract: Excitation polarization provides structural resolution of individual non-blinking nano-objects

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Publication details

The article was received on 06 Nov 2012, accepted on 12 Feb 2013 and first published on 13 Feb 2013


Article type: Paper
DOI: 10.1039/C3NR33513E
Citation: Nanoscale, 2013,5, 3070-3077
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    Excitation polarization provides structural resolution of individual non-blinking nano-objects

    D. Thomsson, G. Sforazzini, H. L. Anderson and I. G. Scheblykin, Nanoscale, 2013, 5, 3070
    DOI: 10.1039/C3NR33513E

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