Imaging Science and Photochemistry ›› 2013, Vol. 31 ›› Issue (2): 132-139.DOI: 10.7517/j.issn.1674-0475.2013.02.006

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Highly Selective Fluorescent Sensing of Fe3+ by a New Anthraquinone Derivative 1,8-Bis(2-hydroxyethylimino) Anthraquinone

SHI Li-li, SUN Huan-he, SHANG Zhuo-bin, WANG Yu   

  1. School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, Shanxi, P.R. China
  • Received:2012-09-04 Revised:2012-11-01 Online:2013-03-15 Published:2013-03-15

Abstract: A new fluorionophore, which is composed of anthraquinone and a hydroxyl ethanol-amine receptor, has been synthesized. Effect of metal ions on the fluorescence of the ionophore was investigated. The results show that the ionophore displays a highly selective and sensitive response of fluorescence quenching toward Fe3+ in neutral buffer aqueous solution. There is a good linear relationship between the fluorescence intensity and Fe3+ concentration in the range of 4.0?10-5-3.0?10-4 mol/L. The detection limit is 3.8?10-7 mol/L.

Key words: anthraquinone, fluorescence, probe, iron ions, sensing

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