OJAB  Vol.1 No.3 , November 2012
Sensitive Colorimetric and Fluorescent Detection of Mercury Using Fluorescein Derivations
Abstract: A colorimetric and fluorometric dual-model probe for mercury (II) ion was developed employing fluorescein hydrazide (FH) in ethanol-HEPES solution (1:1, v/v, pH 8.0). The probe exhibited high selectivity and sensitivity for Hg2+ detection using UV/Vis and fluorescence spectroscopy. Addition of Hg2+ caused a visual color change from colorless to coloured and a fluorescence change from colorless to bright green. Other metal ions did not interfere with the detection of Hg2+.
Cite this paper: Xie, Z. , Huo, F. , Su, J. , Yang, Y. , Yin, C. , Yan, X. and Jin, S. (2012) Sensitive Colorimetric and Fluorescent Detection of Mercury Using Fluorescein Derivations. Open Journal of Applied Biosensor, 1, 44-52. doi: 10.4236/ojab.2012.13006.

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