CRCU

Chemical Research in Chinese Universities ›› 2012, Vol. 28 ›› Issue (4): 609-613.

• Articles • Previous Articles     Next Articles

6-(N,N-Dimethylamino)-2-naphthoylacryl Acid: a Highly Selective and Sensitive Fluorescent Sensor of Copper(II)

XIAO Xu-zhi, CHEN Peng, CHEN He-ru   

  1. Guangdong Provincal Key Laboratory of Pharmacodynamic Constituents of Tranditional Chinese Medicine and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
  • Received:2011-10-12 Revised:2012-02-24 Online:2012-07-25 Published:2012-07-25
  • Supported by:

    Supported by the National Natural Science Foundation of China(Nos.30672560, 81172982) and the Accented Project for Natural Scientific Research of Universities in Guangdong Province, China(No.05Z012).

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Abstract: A novel fluorescent probe, 6-(N,N-dimethylamino)-2-naphthoylacryl acid(ACADAN) was designed and synthesized as a fluorescent sensor for Cu2+ in aqueous media. Significant amplification of fluorescence signals without causing any discernible change of maximum fluorescence emission wavelength(λmax) was observed upon the addition of Cu2+. Importantly, ACADAN is capable of recognizing Cu2+ selectively in aqueous media in the presence of various biologically relevant metal ions and the prevalent toxic metal ions in the environment with high sensitivity(detection limit was 0.1 μmol/L).

Key words: 6-(N,N-Dimethylamino)-2-naphthoylacryl acid, Copper(II), Fluorescent sensor, Ion recognition, Fluorescence enhancement