WANG Kaimin,YANG Liangzhu,LI Lifeng,et al.Synthesis of a 2D Zn (Ⅱ) coordination polymer and its fluorescence recognition of aristolochic acid A[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(03):116-124.
WANG Kaimin,YANG Liangzhu,LI Lifeng,et al.Synthesis of a 2D Zn (Ⅱ) coordination polymer and its fluorescence recognition of aristolochic acid A[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(03):116-124. DOI: 10.13471/j.cnki.acta.snus.2022C017.
Synthesis of a 2D Zn (Ⅱ) coordination polymer and its fluorescence recognition of aristolochic acid A
with a double-intercalated structure was synthesized by zwitterionic organic ligand 4-carboxy-1-(3-carboxybenzyl)pyridine-1-onium chloride, 1,2-bis(pyridin-4-yl)ethene, NaOH and Zn
2+
under solvothermal conditions. The structure of the CP
1
was characterized by the single-crystal X-ray structure, powder diffraction spectrum and thermal stability analysis. Its application potential in the field of fluorescence sensing materials was investigated by the solid fluorescence and liquid fluorescence analysis. Results show that CP
1
can identify aristolochic acid A by fluorescence quenching. In the low concentration range of 5.0~35.0 μmol/L, the quenching efficiency is linearly related to the concentration of aristolochic acid A, the detection limit was 0.022 μmol/L. The interaction time of CP
1
and aristolochic acid A is 60 s, and CP
1
can keep the structure stable in five cycles. The prepared CP
1
has good fluorescence properties, and has sensitive, rapid and recyclable fluorescence sensing performance for aristolochic acid A in ethanol, and it can be used as a fluorescence sensor to detect low concentration of aristolochic acid A.
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