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A Double-Walled Bimetal-Organic Framework for Antibiotics Sensing and Size-Selective Catalysis
Hongming He1, Ya-Qi Xue1, Shu-Qi Wang1
1College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China.
Abstract:
The first double-walled bimetal-organic framework [Cd4K4(TADA)4(H2O)12]·6DMF (1, TADA = 3,3'-((6-hydroxy-1,3,5-triazine-2,4-diyl)bis(azanediyl)) dibenzoate) has been successfully constructed. In virtue of its high porosity and abundant basic sites, MOF 1 can be served as a high-efficiently size-selective heterogeneous catalyst for Knovenagel condensation reaction. Remarkably, 1 also exhibits excellent luminescent detectability for metronidazole (MDZ) with the highest quenching constant ( Ksv) of 1.16 × 105 M-1. The results demonstrate that 1 can be served as a unique bifunctional platform for antibiotics sensing and size-selective catalysis.
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