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  Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard.

Diaz, S. A., Giordano, L., Jovin, T. M., & Jares-Erijman, E. A. (2012). Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard. Nano Letters, 12(7), 3537-3544. doi:10.1021/nl301093s.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-A150-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-8321-8
Genre: Journal Article

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 Creators:
Diaz, S. A.1, Author              
Giordano, L.1, Author              
Jovin, T. M.1, Author              
Jares-Erijman, E. A., Author
Affiliations:
1Emeritus Group Laboratory of Cellular Dynamics, MPI for biophysical chemistry, Max Planck Society, ou_578628              

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Free keywords: Quantum dots; FRET; photochromism; internal standard; ratiometric imaging
 Abstract: Photoswitchable semiconductor nanoparticles, quantum dots (QDs), couple the advantages of conventional QDs with the ability to reversibly modulate the QD emission, thereby improving signal detection by rejection of background signals. Using a simple coating methodology with polymers incorporating a diheteroarylethene photochromic FRET acceptor as well as a spectrally distinct organic fluorophore, photoswitchable QDs were prepared that are small, biocompatible, and feature ratiometric dual emission. With programmed irradiation, the fluorescence intensity ratio can be modified by up to 100%.

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Language(s): eng - English
 Dates: 2012-06-042012
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1021/nl301093s
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Title: Nano Letters
Source Genre: Journal
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Pages: - Volume / Issue: 12 (7) Sequence Number: - Start / End Page: 3537 - 3544 Identifier: -