A novel Hg2+-selective fluorescent chemprobe based on thiooxorhodamine-B and β-C-glycoside
作者： Xiaomin Gu , Zhijie Fang
DOI: 10.1016/J.SAA.2016.09.042
关键词:
摘要: In this paper, two novel easily available probes based on rhodamine B and β-C-glycoside were synthesized characterized by 1H NMR, 13C NMR elemental analysis. Sensor 1 exhibited very high sensitivity selectivity toward Hg2+ over other metal ions, due to the opening of spiro ring in thiooxorhodamine caused through desulfurization. The binding analysis using Job's plot suggested 1:1 stoichiometry for complexes formed Hg2+. fluorescent probe is pH independent medium condition common interferent ions do not show any interference with determination. It anticipated that could be a good candidate has potential application
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