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MOFs type molecularly imprinted polymer for detecting norfloxacin and preparation method thereof

A technology of molecular imprinting and norfloxacin, applied in chemical instruments and methods, material separation, material analysis, etc.

Pending Publication Date: 2021-11-05
佛山市三水佛水供水有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • MOFs type molecularly imprinted polymer for detecting norfloxacin and preparation method thereof
  • MOFs type molecularly imprinted polymer for detecting norfloxacin and preparation method thereof
  • MOFs type molecularly imprinted polymer for detecting norfloxacin and preparation method thereof

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Embodiment 1

[0048] Example 1: Preparation of MOFs-type molecularly imprinted polymer UiO-66@MIP for detection of norfloxacin

[0049] The MOFs-type molecularly imprinted polymer UiO-66@MIP for the detection of norfloxacin was prepared according to the following steps:

[0050]S1: Preparation of UiO-66-NH 2 As a carrier for molecular imprinting: 0.78g ZrCl 4 and 5.55 mL of acetic acid were dissolved in 80 mL of DMF by sonication for 5 min. Then, 0.58 g of 2-aminoterephthalic acid was dissolved in the solution. After an additional 5 min of sonication, 0.24 mL of deionized water was added to the solution. The mixed solution was transferred to a polytetrafluoroethylene reactor, heated to 120° C. for 24 hours, and then cooled to room temperature. The product was washed repeatedly with DMF and ethanol, and then dried under vacuum at 60 °C.

[0051] S2: Through the reaction of anhydride and amino group, in UiO-66-NH 2 Grafting double bonds on the surface to synthesize UiO-66-M: 1g of UiO-6...

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Abstract

The invention discloses a preparation method of an MOFs type molecularly imprinted polymer for detecting norfloxacin. The preparation method comprises the following steps: S1, preparing UiO-66-NH2 as a molecular imprinting carrier; s2, grafting double bonds on the surface of the UiO-66-NH2 through the reaction of acid anhydride and amino, and synthesizing UiO-66-M; s3, imprinting NOR on the surface of UiO-66-M through free radical polymerization, and synthesizing UiO-66 (at) MIP. The fluorescence sensor array can simultaneously identify three kinds of aminoglycoside antibiotics and three kinds of heavy metal ions in water, and realizes simultaneous distinguishing detection of organic / inorganic pollutants. The molecularly imprinted polymer has high adsorption capacity, high selectivity and high stability, and when the molecularly imprinted polymer is applied to separation and detection of norfloxacin, the detection cost and the operation difficulty are effectively reduced, and meanwhile, the detection efficiency is improved.

Description

technical field [0001] The invention belongs to the field of antibiotic detection, and in particular relates to a MOFs type molecularly imprinted polymer for detecting norfloxacin and a preparation method thereof. Background technique [0002] Norfloxacin (NOR) is a kind of quinolone antibiotics. As a broad-spectrum and cheap antibiotic, it is widely used in the treatment and control of diseases in human and animal products. According to incomplete statistics, the consumption of antibiotics in my country exceeds 50% of the total consumption in the world, which has caused many problems. It is not uncommon for antibiotics to be detected in lakes and rivers as they are only partially metabolized and large quantities of antibiotics are excreted into the environment in feces and urine. And drinking water containing antibiotics for a long time will lead to the decline of human immunity, the imbalance of intestinal flora, and even carcinogenic and teratogenic. Therefore, it is im...

Claims

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Application Information

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IPC IPC(8): C08F283/00C08F220/06C08F222/14B01J20/26B01J20/281G01N30/02
CPCC08F283/002B01J20/268B01J20/281G01N30/02C08F220/06C08F222/102Y02A50/30
Inventor 董燕珊彭健伟彭志华刘婉琼桂成毅
Owner 佛山市三水佛水供水有限公司
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