A “naked eye” and ratiometric chemosensor for cobalt(II) based on coumarin platform in aqueous solution
作者： Zhaodi Liu , Wenlong Wang , Huajie Xu , Liangquan Sheng , Shuisheng Chen
DOI: 10.1016/J.INOCHE.2015.10.017
关键词: Coumarin 、 Mass spectrometry 、 Absorption (chemistry) 、 Cobalt 、 Naked eye 、 Chemistry 、 Detection limit 、 Absorption spectroscopy 、 Photochemistry 、 Aqueous solution
摘要: Abstract A novel ratiometric and colorimetric cobalt(II) chemosensor (HL) based on coumarin platform has been synthesized. It displayed a remarkable (44 nm) red-shift in the absorption spectra upon reaction with Co2 +, which is easily observed from yellow to red by naked-eye. Co2 + could be quantitatively detected range of 0–10 μM both normal spectrometry methods. The detection limit HL for was as low 0.31 μM.
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