A Rhodamine-Benzimidazole Based Chemosensor for Fe3+ and its Application in Living Cells

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• 作者：Gongchun Li ; Jun Tang ; Peigang Ding ; Yong Ye
• 关键词：Rhodamine ; Fluorescence ; Fe3+
• 刊名：Journal of Fluorescence
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：26
• 期：1
• 页码：155-161
• 全文大小：2,388 KB
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• 作者单位：Gongchun Li (1)
  Jun Tang (2)
  Peigang Ding (2)
  Yong Ye (2)
  
  1. School of Chemistry and Chemical Engineering, Xuchang University, Xuchang, 461000, China
  2. Phosphorus Chemical Engineering Research Center of Henan Province, The College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450052, China
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Biomedicine
  Biomedicine
  Biophysics and Biomedical Physics
  Biotechnology
  Biochemistry
  Analytical Chemistry
  
• 出版者：Springer Netherlands
• ISSN：1573-4994

文摘

A rhodamine-benzimidazole based chemosensor was designed and prepared for Fe3+ via opening of the spiro-ring to give fluorescent and colored species. L exhibited high selectivity and excellent sensitivity in both absorbance and fluorescence detection of Fe3+ in aqueous solution with comparatively wide pH range (5.8–7.4). The detection limit of this newly developed probe was shown to be up to 2.74 μM. The reversibility establishes the potential of both probes as chemosensors for Fe3+ detection. Fluorescence imaging experiments of Fe3+ in living MGC803 cells demonstrated its value of practical applications in biological systems. Keywords Rhodamine Fluorescence Fe3+