Journal
ANALYTICAL CHEMISTRY
Volume 91, Issue 15, Pages 9754-9759Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.9b01379
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Funding
- NSFC [21625103, 21571107, 21421001]
- 111 project from the Ministry of Education of China [B12015]
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Colchicine is highly toxic to creatures, and sensitively detecting colchicines is of profound significance in the pharmaceutical, clinical, food, and breeding industries. We herein designed and constructed a unique luminescent indium-organic framework {[(CH3)(2)NH2][In(L)]center dot 9DMF}(n) (V105) via an in situ ligand-mediated method, which possesses a 2-fold interpenetrated 3D anionic framework. Due to the large channels that exist in the framework with the size of 12 angstrom x 14 angstrom, V105 can rapidly remove harmful cationic dyes from water in a few minutes. Importantly, luminescent experiments demonstrate that V105 can selectively detect colchicine with high sensitivity in water, and the limit of detection can reach 1.0 x 10(-7) M. To our knowledge, this is the first example of a metal-organic framework-based luminescent sensor for detecting colchicine.
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