Facile synthesis of 1.3 nm monodispersed Ag nanoclusters in an aqueous solution and their antibacterial activities for E. coli

Chengpeng Jiao; Yuantao Pei; Liqiong Wang; Haijun Zhang; Zili Huang; Yuhuan Dai; Feng Liang; Simin Liu; Yuhua Wang; Shaowei Zhang

doi:10.1039/C8RA04387F

Facile synthesis of 1.3 nm monodispersed Ag nanoclusters in an aqueous solution and their antibacterial activities for E. coli†

Chengpeng Jiao,‡^ab Yuantao Pei,‡^a Liqiong Wang,^a Haijun Zhang,

*^a Zili Huang,^b Yuhuan Dai,^c Feng Liang,^d Simin Liu,

^d Yuhua Wang^e and Shaowei Zhang

*^f

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* Corresponding authors

^a The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
E-mail: zhanghaijun@wust.edu.cn
Fax: +86-27-68862829

^b Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgical Mineral Resources, Wuhan University of Science and Technology, Wuhan 430081, China

^c Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan 430065, China

^d College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081, China

^e Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan 430081, China

^f College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK
E-mail: s.zhang@exeter.ac.uk

Abstract

A facile one-pot strategy was developed to prepare ultrastable monodispersed Ag nanoclusters (NCs) in aqueous solution by using ISOBAM-104, as a stabilizing agent. The as-prepared Ag NCs with an average size of 1.3 nm, which can be preserved in water solution for more than one year under ambient conditions without obvious agglomeration, exhibited excellent antibacterial activities for E. coli (DH5α), compared to most of the previously reported results.

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Facile synthesis of 1.3 nm monodispersed Ag nanoclusters in an aqueous solution and their antibacterial activities for E. coli†

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Facile synthesis of 1.3 nm monodispersed Ag nanoclusters in an aqueous solution and their antibacterial activities for E. coli

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