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Plasmon Resonance Scattering Spectroscopy at the Single-Nanoparticle Level: Real-Time Monitoring of a Click Reaction

Authors

  • Lei Shi,

    1. State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)
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    • These authors contributed equally to this work.

  • Chao Jing,

    1. State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)
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    • These authors contributed equally to this work.

  • Dr. Wei Ma,

    1. State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)
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  • Dr. Da-Wei Li,

    1. State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)
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  • Jonathan E. Halls,

    1. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY (UK)
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  • Prof. Frank Marken,

    1. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY (UK)
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  • Prof. Yi-Tao Long

    Corresponding author
    1. State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)
    • State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Functional Materials Chemistry & Department of Chemistry, East China University of Science and Technology, Shanghai, 200237 (P. R. China)

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  • This research was supported by the 973 Program (2013CB733700), the National Science Fund for Distinguished Young Scholars (21125522), and the National Natural Science Foundation of China (91027035).

Abstract

original image

Eine Kombination aus Plasmonenresonanz-Rayleigh-Streuung (PRRS) und Dunkelfeldmikroskopie (DFM) ermöglicht die Verfolgung einer Klick-Reaktion auf Nanopartikelebene in Echtzeit. Klick-Reaktionen auf der Oberfläche einzelner Goldnanopartikel (GNPs) führen zur Partikel-Partikel-Kupplung und diese wiederum zu einer Rotverschiebung von λmaxλmax=43 nm) in den PRRS-Spektren sowie einem Farbwechsel der GNPs im DFM (von Grün nach Orange).

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