Analytical Sciences

Poly(amine ester) Dendrimer with Naphthyl Units as a Fluorescent Chemosensor for Al(III), Cu(II), and Zn(II)

Jun KAWAKAMI, Takafumi MIZUGUCHI, and Shunji ITO

Department of Frontier Materials Chemistry, Faculty of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Aomori 036-8561, Japan

A poly(amine ester) dendrimer with naphthyl units (G1N6) has been synthesized as a fluorescent chemosensor for metal ions. We investigated the metal-ion recognition of G1N6 by adding each of Ag⁺, Al³⁺, Ba²⁺, Ca²⁺, Cd²⁺, Co²⁺, Cu²⁺, Fe³⁺, Mg²⁺, Ni²⁺, and Zn²⁺ in acetonitrile solution. Large changes were observed in the fluorescence spectra of G1N6 upon the addition of Al³⁺, Cu²⁺, and Zn²⁺.

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