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Lanthanide Organic Framework as a Reversible Luminescent Sensor for Sulfamethazine Antibiotics

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journal contribution
posted on 14.03.2019, 15:51 by Kui Ren, Shun-Hua Wu, Xiao-Feng Guo, Hong Wang
A water-stable two-dimensional lanthanide organic framework, {Eu­(BTB)­DMF}n (Eu-MOF; DMF = N,N-dimethylformamide), with two one-dimensional channels was obtained, and its structure was characterized. With changes in the amount of LiOH·H2O, different sizes of {Eu­(BTB)­DMF}n were synthesized. The prepared Eu-MOF powder is easy to disperse in water and exhibits typical Eu red emission. The fluorescence properties showed that Eu-MOF can detect sulfamethzine (SMZ) with high sensitivity and selectivity. Finally, the as-synthesized Eu-MOF was successfully used for the detection of SMZ in surface water by a standard addition method.