A Fluorescent Probe for Diacetyl Detection

DOI to cite this document:: 10.5283/epub.20009

Li, Xiaohua ; Dürkop, Axel ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 18 Mar 2011 07:00

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Abstract

A water-soluble fluorescent probe, rhodamine B hydrazide (RBH), was prepared and its properties for recognition of diacetyl were studied. The method employs the reaction of diacetyl with RBH, a colorless and non-fluorescent rhodamine B spiro form derivative to give a pink-colored fluorescent substance. In weakly acidic media, RBH reacts more selectively with diacetyl than with other carbonyls, ...