Hybrid Silica-Nanocrystal-Organic Dye Superstructures as Post-Encoding Fluorescent Probes

Dual control: Hybrid silica–nanocrystal–organic dye superstructures comprising fluorescein isothiocyanate (FITC)‐doped silica cores, embedded CdTe quantum dots, and an outer silica shell display well‐resolved dual fluorescence emission. Multicolor encoding fluorescent probes are generated by modulat...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2007-01, Vol.46 (28), p.5393-5396
Main Authors: Wu, Chuanliu, Zheng, Jinsheng, Huang, Chaobiao, Lai, Jinping, Li, Shuyan, Chen, Chen, Zhao, Yibing
Format: Article
Language:English
Subjects:
dyes/pigments
Fluorescent Dyes - chemistry
fluorescent probes
Microscopy, Electron, Transmission
Molecular Structure
Nanoparticles - chemistry
Nanoparticles - ultrastructure
organic-inorganic hybrid composites
Quantum Dots
silica
Silicon Dioxide - chemistry
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Summary:Dual control: Hybrid silica–nanocrystal–organic dye superstructures comprising fluorescein isothiocyanate (FITC)‐doped silica cores, embedded CdTe quantum dots, and an outer silica shell display well‐resolved dual fluorescence emission. Multicolor encoding fluorescent probes are generated by modulating the fluorescence intensity ratio of the dual emission by a simple post‐encoding strategy (see picture).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200700847