Turn “Off–On” Fluorescent Recognition of Cu2+ and Cys in Aqueous Medium: Implementation of Molecular Logic Gate and Cell Imaging Studies

DOI PDF 被引用文献6件 参考文献42件
  • Virendra Kumar
    Department of Chemistry (Centre of Advanced Study), Faculty of Science, Banaras Hindu University, Varanasi 221005 , India
  • Ajit Kumar
    Department of Chemistry (Centre of Advanced Study), Faculty of Science, Banaras Hindu University, Varanasi 221005 , India
  • Uzra Diwan
    Department of Chemistry (Centre of Advanced Study), Faculty of Science, Banaras Hindu University, Varanasi 221005 , India
  • Manish Kumar Singh
    Department of Zoology (Centre of Advanced Study), Faculty of Science, Banaras Hindu University, Varanasi 221005 , India
  • K K Upadhyay
    Department of Chemistry (Centre of Advanced Study), Faculty of Science, Banaras Hindu University, Varanasi 221005 , India

書誌事項

公開日
2016-01-20
権利情報
  • https://academic.oup.com/pages/standard-publication-reuse-rights
DOI
  • 10.1246/bcsj.20150427
公開者
Oxford University Press (OUP)

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<jats:title>Abstract</jats:title> <jats:p>The present communication incorporates utilization of a simple Schiff base (RO) fruitfully for the turn “off-on” successive fluorescent recognition of Cu2+ and Cys in aqueous media. The single crystal of RO-Cu2+ ensemble revealed a binding pattern which ultimately leads to quenching of the green fluorescence of RO. Interestingly the quenched fluorescence of the RO-Cu2+ ensemble was revived selectively in the presence of Cys via Cu2+ displacement approach. The selective “off-on” behavior of RO towards Cu2+ and Cys was consequently used as inputs to build up an implication (IMP) logic gate. Moreover, the RO exhibited successful bio-imaging of Cu2+ and Cys also in E. coli cells.</jats:p>

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