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Updated: Jun 1, 2026
Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis
Published on: March 7, 2018
Gold nanoparticles with cyclic phenylazomethines: one-pot synthesis and metal ion sensing
Ryo Shomura1, Keum Jee Chung, Hideo Iwai
1Graduate School Pure and Applied Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan.
Abstract:
New gold nanoparticles covered with cyclic phenylazomethine (CPA) were obtained by a one-pot synthesis. It is confirmed by XPS that imines of CPA in the nanoparticles (Au-CPA) are partially reduced to amines. The amine part of CPA in Au-CPA is attached to the surfaces of gold nanoparticles, and the imine part works as a redox-active site. A glassy carbon electrode modified with Au-CPA was revealed to work as an electrochemical probe for metal ion sensing.
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