【摘 要】
：
在酸性乙醇介质中,合成了稀土(Eu,Dy,Sm)-酪氨酸二元配合物及稀土(Eu,Dy,Sm)-酪氨酸-咪唑三元配合物,由其物性、荧光性能、电导率及紫外吸收光谱得到初步确认。研究了稀土氨
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在酸性乙醇介质中,合成了稀土(Eu,Dy,Sm)-酪氨酸二元配合物及稀土(Eu,Dy,Sm)-酪氨酸-咪唑三元配合物,由其物性、荧光性能、电导率及紫外吸收光谱得到初步确认。研究了稀土氨基酸配合物的抑菌性能,结果表明:稀土配合物对大肠杆菌及金黄色葡萄球菌均有不同程度的抑制作用,其抑菌活性比单独的稀土离子及配体明显增强;稀土三元配合物的抑菌活性强于稀土二元配合物,稀土二元及三元配合物对两种实验菌的最低抑菌浓度分别小于0.05、0.005mol/L,镝配合物的抑菌能力优于其他两种配合物。
The rare earth (Eu, Dy, Sm) - tyrosine binary complexes and rare earth (Eu, Dy, Sm) - tyrosine - imidazole ternary complexes were synthesized in acidic ethanol medium. , Conductivity and UV absorption spectra were initially confirmed. The antibacterial activity of the rare earth amino acid complexes was studied. The results showed that the rare earth complexes inhibited Escherichia coli and Staphylococcus aureus to varying degrees, and the antibacterial activity of the rare earth complexes was significantly enhanced compared with the rare earth ions and ligands alone. The antibacterial activities of the complexes were stronger than that of the rare earth complexes. The minimum inhibitory concentrations of the binary and ternary complexes of the two complexes were less than 0.05 and 0.005mol / L, respectively, and the antibacterial activity of the complexes was excellent In the other two complexes.
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