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FMOF material with high water stability, preparation of FMOF material and application of FMOF material in sensing detection of fleroxacin in water

A technology of fleroxacin and stability, which is applied in the field of metal-organic framework materials, can solve the problems of being easily attacked by water molecules, ligand substitution, material decomposition, etc., and achieves high recycling rate, high selectivity, and simple preparation method Effect

Active Publication Date: 2021-07-23
LIAOCHENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To apply FMOFs materials to the detection of antibiotic pollutants in water, the first thing to solve is the water stability of such materials
In general, in aqueous solution, the structure of FMOFs materials is easily attacked by water molecules, resulting in ligand substitution, structural collapse, and material decomposition.

Method used

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  • FMOF material with high water stability, preparation of FMOF material and application of FMOF material in sensing detection of fleroxacin in water
  • FMOF material with high water stability, preparation of FMOF material and application of FMOF material in sensing detection of fleroxacin in water
  • FMOF material with high water stability, preparation of FMOF material and application of FMOF material in sensing detection of fleroxacin in water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Synthesis FMOF material: Weigh 15.4 mg of cadmium nitrate (II) tetrahydrate and 25.5 mg H 2 L is dissolved in 2.5 ml n, N'-dimethylformamide solvent, and the solution is placed in the stainless steel reactor of the inner lining polytetrafluoroethylene after ultrasonic dissolution, at 130 ° C, at 10 ° C / h is uniformly cooling to room temperature to obtain a transparent block crystal. The product was filtered, washed with N, N'-dimethylformamide, dried at room temperature, collected, and the yield was about 75%.

Embodiment 2

[0057] Synthesis FMOF material: 13.3 mg of cadmium acetate (II) dihydrate and 25.5 mg H 2 L is dissolved in 2.5 ml n, N'-dimethylformamide solvent, and the solution is placed in the stainless steel reactor of the inner lining polytetrafluoroethylene after ultrasonic dissolution, at 130 ° C, at 10 ° C / h is uniformly cooling to room temperature to obtain a transparent block crystal. The product was filtered and washed with N, N'-dimethylformamide, dried at room temperature, collected, and the yield was about 50%.

Embodiment 3

[0059] Synthesis FMOF material: Weigh 15.4 mg of cadmium nitrate (II) tetrahydrate and 25.5 mg H 2 L is dissolved in 2.5 ml n, N'-dimethylacetamide solvent, and the solution is placed in a stainless steel reaction kettle of the inner lining polytetrafluoroethylene after ultrasonic dissolution, and the constant temperature is 60 h at 130 ° C for 60 ° C. / h is uniformly cooling to room temperature to obtain a transparent block crystal. The product was filtered and washed with N, N'-dimethylacetamide, dried at room temperature, collected, and the yield was about 20%.

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Abstract

The invention belongs to the field of metal organic framework materials, and relates to an FMOF material with high water stability, preparation of the FMOF material and application of the FMOF material in sensing detection of fleroxacin in water. The preparation method comprises the following steps: taking cadmium salt and N, N '-bis (4-carboxyl-3, 5-dimethylphenyl)-1, 4-naphthalimide (H2L) ligand as raw materials, dissolving the raw materials in an organic solvent according to a certain proportion, and synthesizing the FMOF material by adopting a solvothermal method. The preparation process is simple, and the water stability of the material is high; the synthesized FMOF material has the advantages of rapidness, high sensitivity, high selectivity and the like in the aspect of detecting fleroxacin in water.

Description

Technical field [0001] The present invention belongs to the field of metal organic frame materials, and more particularly to the preparation of FMOF materials having high water stability and its fluorescence sensing detection of fluoroxs in water. Background technique [0002] The information disclosed in the background is only intended to increase the understanding of the overall background of the present invention, and is not necessarily considered to recognize or imply that the information is intended to be a prior art known to those of ordinary skill in the art. [0003] Fluoxsham is the third-generation quinolone antibiotics, with strong tissue penetration, high bioavailability, elimination of half-life, etc., has a strong killing effect on multiple Gram-positive bacteria and Gram-negative bacteria. Most of its drug prototypes are excreted into ambient water body. In recent years, as Fluoxshaxing is excessive use or even abused, it has brought significant pollution to some e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00G01N21/64C09K11/06
CPCC08G83/008C09K11/06G01N21/643C09K2211/188G01N2021/6432
Inventor 张庆富王晓鹤王春蕾高秀亭任宝平
Owner LIAOCHENG UNIV
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