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A stable Zinc(Ⅱ) metal-organic framework in water for the detection of tetracycline
Author NameAffiliationE-mail
WANG Xuan Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
WANG Ji-Jiang Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China yadxwjj@126.com 
TANG Long Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China ydtanglong@163.com 
WANG Lao-Bang Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
YUE Er-Lin Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
BAI Chao Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
WANG Xiao Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
ZHANG Yu-Qi Yan'an City Key Laboratory of New Energy & New Functional Materials, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China  
Abstract: A Zinc(Ⅱ) metal-organic framework (Zn-MOF), namely[Zn(H2L)(4,4'-bpy)]n (1), where H4L=1,1'-ethylbi-phenyl-3,3',5,5'-tetracarboxylic acid, 4,4'-bpy=4,4'-bipyridine, was successfully synthesized under solvothermal conditions. The structure was characterized by single-crystal X-ray diffraction, elemental analysis, and thermogravimetric analysis. The single crystal structure analysis shows that 1 belongs to the monoclinic C2/c space group and H2L2- ligands adopt monodentate coordination mode, connecting with Zn (Ⅱ) to form 1D chains. Finally, the 1D chains are connected by 4,4'-bpy to form a 2D wavelike network. 1 shows good stability in water, and can be used as a highly sensitive and selective fluorescent probe to detect tetracycline (TET) with a detection limit of 0.17 μmol·L-1. 1 can be successfully used for the determination of tetracycline in Yanhe River water. In addition, the possible fluorescence quenching mechanisms of 1 were also studied. CCDC:2212375, 1.
Keywords: metal-organic framework  crystal structure  tetracycline  fluorescent sensor
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WANG Xuan,WANG Ji-Jiang,TANG Long,WANG Lao-Bang,YUE Er-Lin,BAI Chao,WANG Xiao,ZHANG Yu-Qi.A stable Zinc(Ⅱ) metal-organic framework in water for the detection of tetracycline[J].Chinese Journal of Inorganic Chemistry,2023,39(6):1151-1158.
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Chinese Journal of Inorganic Chemistry