1.云南省手性功能物质研究与利用重点实验室 / 云南民族大学化学与环境学院,云南 昆明 650504
2.云南省天然药物药理重点实验室 / 昆明医科大学药学院,云南 昆明 650500
3.昆明医科大学现代生物医药产业学院,云南 昆明 650500
王凯民(1984年生),男;研究方向:功能配位聚合物;E-mail: 041684@ymu.edu.cn
马钰璐(1989年生),女;研究方向:功能配位聚合物;E-mail: mayulu@kmmu.edu.cn
收稿:2025-05-07,
修回:2025-06-30,
录用:2025-06-30,
网络出版:2025-07-15,
纸质出版:2025-11-25
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王凯民,李仕义,赵瑞婷等.Zn(Ⅱ)配合物的合成及其对金霉素的荧光传感[J].中山大学学报(自然科学版)(中英文),2025,64(06):47-52.
WANG Kaimin,LI Shiyi,ZHAO Ruiting,et al.Synthesis of Zn(Ⅱ) complex and its fluorescence sensing for chlortetracycline[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(06):47-52.
王凯民,李仕义,赵瑞婷等.Zn(Ⅱ)配合物的合成及其对金霉素的荧光传感[J].中山大学学报(自然科学版)(中英文),2025,64(06):47-52. DOI: 10.13471/j.cnki.acta.snus.ZR20250079.
WANG Kaimin,LI Shiyi,ZHAO Ruiting,et al.Synthesis of Zn(Ⅱ) complex and its fluorescence sensing for chlortetracycline[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(06):47-52. DOI: 10.13471/j.cnki.acta.snus.ZR20250079.
选择溶剂热法以2,7-萘二羧酸和(
E
)-1,2-二(吡啶-4-基)乙烯为含共轭结构的混合有机配体与Zn
2+
制备出一种锌配合物{[Zn(NDA)(1,2-DPE)
0.5
(H
2
O)]·0.5H
2
O}
n
(
1
)。配合物
1
的结构及性能通过X射线单晶衍射、红外光谱、热重分析等手段进行表征,并深入分析其对金霉素的荧光检测能力。X射线单晶衍射的分析结果揭示其结晶于单斜晶系的
P
2
1
/
c
空间群。研究表明,配合物
1
由于其具有良好的荧光性能和稳定性可用于金霉素的选择性检测,经拟合结果可得
K
sv
= 1.784 4×10
4
L/mol。此外,进一步探究其荧光猝灭机理可知发生荧光猝灭现象可能是由于金霉素和配合物
1
之间的能量竞争吸收。
This study selected solvothermal method to prepare a zinc complex {[Zn(NDA)(1,2-DPE)
0.5
(H
2
O)]·0.5H
2
O}
n
(
1
) with a mixed organic ligand containing conjugated structure of 2,7-naphthalenedicarboxylic acid and (
E
) -1,2-di (pyridin-4-yl) ethylene and Zn
2+
. The structure and properties of complex
1
were characterized by X-ray single crystal diffraction, infrared spectroscopy, thermogravimetric analysis, etc., and its fluorescence detection ability for streptomycin was analyzed in depth.
The analysis results of X-ray single crystal diffraction reveal that it crystallizes in the
P
2
1
/
c
space group of the monoclinic crystal system. Research has shown that complex
1
, due to its excellent fluorescence properties and stability, can be used for selective detection of streptomycin. The fitting results show that
K
sv
= 1.784 4 × 10
4
L/mol. Furthermore, further exploration of its fluorescence quenching mechanism suggests that the occurrence of fluorescence quenching may be due to energy competition absorption between chloramphenicol and complex
1
.
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