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Title: Highly fluorescent azine stain for the detection of ferric ions in Mucorales
Authors: Sunil D.
Paul A.
Shrilaxmi M.S.
Syed Ibrahim G.P.
Prakash P.Y.
Mohammed C.A.
Issue Date: 2020
Citation: Research Journal of Chemistry and Environment Vol. 24 , 6 , p. 50 - 56
Abstract: Essential metals for life such as iron, zinc, copper, nickel and manganese play a pivotal role in the conflict between infecting microbes and their hosts. Mucormycosis is a potentially life threatening systemic fungal infection caused by members that belong to the order Mucorales which primarily affects immunosuppressed patients. Rapid diagnosis and subsequent initiation of therapy is imperative due to the fulminant nature of the infection. Clinical evidences indicate the ability of these mucoralean organisms to obtain iron from the host as a major virulence attribute. This study is an attempt to develop a novel iron dependent staining technique for the detection of filamentous Mucorales treated with ferric ion. Fluorescence sensors are one of the most powerful tools for detecting metal ions in biological systems. This study reports the fluorescent behavior of a metal-binding indicator 4,4'-[hydrazinediylidene dimethanylylidene]di(benzene-1,3-diol) (CS2) with specific optical responses on exposure to Fe3+ ions at two studied pH. Interestingly, the azine chemosensor CS2, displayed fluorescence quenching in presence of Fe3+ at pH 5.5, whereas retained its fluorescence specifically in Fe3+ solution at pH 7.4. The preliminary results indicate that pH sensitive CS2 can be a component of choice in the fluorescent stain for fungi like Mucorales in the research and diagnostic purposes. © 2020 World Research Association. All rights reserved.
Appears in Collections:1. Journal Articles

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