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A Fluorescent Probe for Diacetyl Detection

Li, Xiaohua ; Dürkop, Axel ; Wolfbeis, Otto S.
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Date of publication of this fulltext: 18 Mar 2011 07:00


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, ...

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