Fluorescence-based sensor membrane for mercury (II) detection

DOI to cite this document:: 10.5283/epub.20793

Murkovic, Ivana ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 13 May 2011 08:53

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Abstract

A novel optical sensor membrane for the detection of mercury(II) (Hg(II)) is presented. The sensing layer is composed of plasticized poly (vinyl chloride) (PVC) containing a lipophilic boratesalt as areagent for Hg(II), and theamphiphilic oxacarbocyanine dye (DiOC₁₆(3)) as the optical transducer. The sensing scheme is based on the decomposition of the borate anion in the presence of Hg(II). Since ...