Synthesis, Characterization and Theoretical Calculations of a New Fluorescent Probe for Detection Cu²⁺

Junxia ZhaoMinistry of Education, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an, P. R. ChinaView further author information

Qi GaoMinistry of Education, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an, P. R. ChinaView further author information

Feifei ZhangMinistry of Education, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an, P. R. ChinaView further author information

Wei SunMinistry of Education, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an, P. R. ChinaView further author information

Yinjuan BaiMinistry of Education, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an, P. R. ChinaCorrespondence[email protected]
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ABSTRACT

A novel rhodamine-based probe (RP1) was synthesized and characterized as a colorimetric chemosensor with high selectivity and sensitivity in biological systems toward Cu²⁺ over other cations tested. RP1 showed low detection limit for copper. The binding between RP1 and Cu²⁺ was confirmed to be stoichiometric. The recognition process was reversible. We also performed the density functional theory (DFT) calculation to have more understanding of structure, molecular and electronic.

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We gratefully acknowledge financial support from the National Natural Science Foundation of China (Grant No. 21042002) and Shaanxi Province Natural Science Foundation.

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Synthesis, Characterization and Theoretical Calculations of a New Fluorescent Probe for Detection Cu²⁺

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Synthesis, Characterization and Theoretical Calculations of a New Fluorescent Probe for Detection Cu²⁺