Turn-on fluorescence detection of ascorbic acid with gold nanolcusters

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• 作者：Huijie Meng ; Dongqin Yang ; Yifeng Tu ; Jilin Yan ; ^{yanjl@suda.edu.cn}
• 关键词：Gold nanoclusters ; Fluorescence ; Ascorbic acid ; Iodine ; Antioxidant
• 刊名：Talanta
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：165
• 期：Complete
• 页码：346-350
• 全文大小：691 K
• 卷排序：165

文摘

Iodine together with iodide etched the metallic core of gold nanoclusters and brought in fluorescence quenching. Ascorbic acid reduced iodine into iodide and inhibited related quenching. A "turn-on" fluorescence detection of ascorbic acid down to 22 nM was obtained.