Antibiotics mediated facile one-pot synthesis of gold nanoclusters as fluorescent sensor for ferric ions

作者：Yu, Mengqun; Zhu, Zheguo; Wang, Hong; Li, Linyao; Fu, Fei; Song, Yang; Song, Erqun^*

来源：Biosensors and Bioelectronics, 2017, 91: 143-148.

DOI：10.1016/j.bios.2016.11.052

• Antibiotic
• Gold nanoclusters
• Fluorescent
• Sensor
• Ferric ions

In this paper, the cheap, easily obtained small antibiotic molecule of vancomycin was employed as reducer/stabilizer for facile one-pot synthesis of water exhibited a bluish fluorescence emission at 410 nm within a short synthesis time about 50 min. Based on the strong fluorescence quenching due to electron transfer mechanism by the introduction of ferric ions(Fe3+), the Van-AuNCs were interestingly designed for sensitive and selective detecting Fe3+ with a limit of 1.4 pmol L-1 in the linear range of 2-100 mu mol L-1 within 20 min. The VanAuNCs based method was successfully applied to determine Fe3+ in tap water, lake water, river water and sea water samples with the quantitative spike recoveries from 97.50-111.14% with low relative standard deviations ranging from 0.49-1.87%, indicating the potential application of this Van-AuNCs based fluorescent sensor for environmental sample analysis.

• 出版日期2017-5-15
• 单位西南大学