Quantum dot blueing and blinking enables fluorescence nanoscopy

We demonstrate superresolution fluorescence imaging of cells using bioconjugated CdSe/ZnS quantum dot markers. Fluorescence blueing of quantum dot cores facilitates separation of blinking markers residing closer than the diffraction barrier. The high number of successively emitted photons enables gr...

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Bibliographic Details
Main Authors: Hoyer, Patrick (Author) , Staudt, Thorsten (Author) , Engelhardt, Johann (Author) , Hell, Stefan (Author)
Format: Article (Journal)
Language:English
Published: 2011
In: Nano letters
Year: 2011, Volume: 11, Issue: 1, Pages: 245-250
ISSN:1530-6992
DOI:10.1021/nl103639f
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1021/nl103639f
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Author Notes:Patrick Hoyer, Thorsten Staudt, Johann Engelhardt, and Stefan W. Hell
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Summary:We demonstrate superresolution fluorescence imaging of cells using bioconjugated CdSe/ZnS quantum dot markers. Fluorescence blueing of quantum dot cores facilitates separation of blinking markers residing closer than the diffraction barrier. The high number of successively emitted photons enables ground state depletion microscopy followed by individual marker return with a resolving power of the size of a single dot (∼12 nm). Nanoscale imaging is feasible with a simple webcam.
Item Description:Published online3 December 2010
Gesehen am 30.06.2022
Physical Description:Online Resource
ISSN:1530-6992
DOI:10.1021/nl103639f