Ratiometric fluorescent nanoparticles for sensing temperature

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.19959

Peng, Hong-Shang ; Huang, Shi-Hua ; Wolfbeis, Otto S.

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Veröffentlichungsdatum dieses Volltextes: 18 Mrz 2011 06:44

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Zusammenfassung

A ratiometric type of fluorescent nanoparticle was prepared via an encapsulation–reprecipitation method. By introducing an alkoxysilanized dye as a reference, the nanoparticles (NPs) give both a green and a red fluorescence under one single-wavelength excitation. The resulted ratiometric fluorescence is found to be highly temperature-dependent in the physiological range (25–45 °C), with an ...