Chinese Journal of Applied Chemistry

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Progress and Applications of Multi-branched Rhodamine Hydrazone Fluorescent Sensors

YANG Yang1*, GAO Chaoying1, XU Liang1, DUAN Limei1, LI Bin2   

  1. (1.College of Chemistry and Chemical Engineering,Inner Mongolia University for the Nationalities,Tongliao 028000,China;
    2.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China)
  • Received:2013-12-24 Revised:2014-02-27 Published:2014-09-04 Online:2014-09-04

Abstract: Due to their excellent photostability and photophysical properties, the rhodamine fluorochrome has attracted considerable interest from chemists. Spirocyclic derivatives of rhodamine dyes are useful sensing platforms since the ring-opening process leads to a turn-on fluorescence change. A multi-branched rhodamine derivative with an appropriate ligand on spirolactam ring that is capable of binding a single metal ion is expected to display enhanced absorbance as well as fluorescence properties required for trace metal analysis. This review provides an insight to the design and fabrication of the multibranched rhodamine sensing system for metal-ions applications. The perspective for futher research of rhodamine-based cell imaging optical sensors are also discussed.

Key words: multi-branched rhodamine, fluorescent sensor, fluorescence recognition, detection limit, cell imaging

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