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

Authors

  • Chuanliu Wu,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Jinsheng Zheng,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Chaobiao Huang,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Jinping Lai,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Shuyan Li,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Chen Chen,

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • Yibing Zhao Prof. Dr.

    1. Department of Chemistry and Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China, Fax: (+86) 592-218-1637
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  • This work was supported by the National Natural Science Foundation of China (No. 2007502).

Abstract

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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).

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