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New Tripodal Naphthalene Derivative for Zn2+ and Albumin with High Selectivity and Sensitivity

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A new tripodal naphthalene derivative was synthesized by a one step condensation reaction of tris(2-aminoethyl)amine and 2-hydroxy-1-naphthaldehyde. Its structure was characterized by 1H NMR, MS, IR and elemental analysis. In ethanol aqueous medium (2:3, V:V, Tris-HCl buffer, pH = 7.0), addition of Zn2+ led to the formation of a 1:1 complex, and a significant enhancement of fluorescence and absorption was observed. The derivative exhibited excellent recognition in the detection of Zn2+, and it was found that the metal complex could be employed as a probe to study bovine serum albumin.
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Document Type: Research Article

Publication date: 2012-01-01

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