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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%. © 2012 American Chemical Society.

Registro:

Documento: Artículo
Título:Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard
Autor:Díaz, S.A.; Giordano, L.; Jovin, T.M.; Jares-Erijman, E.A.
Filiación:Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Laboratory of Cellular Dynamics, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
Palabras clave:FRET; internal standard; photochromism; Quantum dots; ratiometric imaging; Background signals; Dual emissions; Fluorescence intensity ratio; FRET; Internal standards; Organic fluorophores; Photo-switchable; QD emissions; Ratiometric; Ratiometric imaging; Semiconductor nanoparticles; Organic polymers; Photochromism; Semiconductor quantum dots
Año:2012
Volumen:12
Número:7
Página de inicio:3537
Página de fin:3544
DOI: http://dx.doi.org/10.1021/nl301093s
Título revista:Nano Letters
Título revista abreviado:Nano Lett.
ISSN:15306984
CODEN:NALEF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15306984_v12_n7_p3537_Diaz

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Citas:

---------- APA ----------
Díaz, 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.
http://dx.doi.org/10.1021/nl301093s
---------- CHICAGO ----------
Díaz, S.A., Giordano, L., Jovin, T.M., Jares-Erijman, E.A. "Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard" . Nano Letters 12, no. 7 (2012) : 3537-3544.
http://dx.doi.org/10.1021/nl301093s
---------- MLA ----------
Díaz, S.A., Giordano, L., Jovin, T.M., Jares-Erijman, E.A. "Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard" . Nano Letters, vol. 12, no. 7, 2012, pp. 3537-3544.
http://dx.doi.org/10.1021/nl301093s
---------- VANCOUVER ----------
Díaz, S.A., Giordano, L., Jovin, T.M., Jares-Erijman, E.A. Modulation of a photoswitchable dual-color quantum dot containing a photochromic FRET acceptor and an internal standard. Nano Lett. 2012;12(7):3537-3544.
http://dx.doi.org/10.1021/nl301093s