3 years ago

One-Pot Aqueous Synthesis of Nucleoside-Templated Fluorescent Copper Nanoclusters and Their Application for Discrimination of Nucleosides

One-Pot Aqueous Synthesis of Nucleoside-Templated Fluorescent Copper Nanoclusters and Their Application for Discrimination of Nucleosides
Yongnian Ni, Tianxia Chen, Yong Wang, Qianfen Zhuang
A facile, one-pot synthetic method has been proposed to prepare water-soluble fluorescent copper nanoclusters (CuNCs) templated by nucleosides. The nucleoside-templated fluorescent CuNCs were further characterized by using various analytical techniques, such as transmission electron microscopy, X–ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and fluorescence spectroscopy. The role of various reactants such as ascorbic acid, nucleoside, and citrate buffer in the synthesis process of fluorescent CuNCs was explored. The results showed that nucleoside and ascorbic acid were very likey to respectively act as a stabilizer and a reductant to form nanoclusters, and citrate buffer acted as both pH regulator solution and a reducing agent. The fluorescence spectra of various nucleoside-templated CuNCs were finally combined with multivariate chemometrics analysis for discrimination of different nucleosides.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b09768

DOI: 10.1021/acsami.7b09768

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