Thiocarbonyl quinacridone-based "turn on" fluorescent chemodosimeters for highly sensitive and selective detection of Hg(II)
作者： Yi Qu , Jiabao Yang , Jianli Hua , Lei Zou
DOI: 10.1016/J.SNB.2011.10.087
关键词: Metal ions in aqueous solution 、 Highly sensitive 、 Fluorescence 、 Detection limit 、 Mercury (element) 、 Chloroform 、 Chemistry 、 Photochemistry 、 Quinacridone 、 Ion
摘要: Abstract Two new thiocarbonyl quinacridone compounds (TQA-H and TQA-TPA) were designed synthesized, their fluorescent behaviors toward various metal ions investigated. The measurements of sensing behavior to reveal that both them are excellent “turn on” chemosensors for mercury ion. Addition Hg2+ the chloroform solution TQA-TPA gave lowest detection limit at 4.7 nM. In addition, colorimetric changes sensors interacted with also successfully demonstrated. recognition is attributed Hg2+-induced conversion quinacridones into carbonyl analogues.
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