A novel cadmium-based ternary coordination polymer as a luminescent probe for Fe3+and application in the antibacterial field
In this paper,a novel ternary coordination polymer(CP),[Cd2(L)2(bimb)2]n·3DMF·2H2O(H2L=N,N-bis(4-carboxybenzyl)aniline,bimb=1,4-bis(1-imidazolyl)benzene),was synthesised under solvothermal conditions.The compound was characterised by single crystal X-ray diffraction,powder X-ray diffraction,infrared spectroscopy,and thermogravimetric analysis.It is proved that the complex has high purity and good thermal stability.Subsequently,different metal ions were qualitatively analysed by fluorescence detection using fluorescence spectroscopy,and after comparison,it can be concluded that the complex has a bursting effect on many metal ions,and the best bursting effect is for iron ions.In this pa-per,the antibacterial properties of the complexes were tested against Candida albicans(ATCC 10231)u-sing the circle of inhibition method and growth curve method.The antimicrobial effect of the complex was qualitatively analysed based on the circle of inhibition,and it was found that the complex had a good inhib-itory effect against Candida albicans(ATCC 10231)and a clear circle of inhibition with a large diameter could be seen on the plate.After that,the growth curve of the complex was tested to determine the mini-mum inhibitory concentration.
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