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Preparation of magnetic yolk-shell structured ……

時(shí)間:2022-03-14   瀏覽次數(shù):  分享到:
原文鏈接:https://doi.org/10.1007/s00216-021-03656-2

Abstract

In this study, a magnetic yolk-shell structured metal-organic framework material (Fe3O4@YS-UiO-66-NH2) is prepared by the directional etching of Co2+/peroxymonosulfate and in situ magnetization. The characteristic properties of the material were investigated by using field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, X-ray powder diffraction, Fourier transform infrared spectroscopy, vibrating sample magnetometer,Brunauer-Emmett-Teller, and contact angle test. The Fe3O4@YS-UiO-66-NH2 shows the advantages of large surface area, goodmagnetic property, and satisfactory stability, as well as giving high affinity to alkaloids (ALs) via hydrophilic interaction,hydrogen bonding, and π-π interaction. The results of static adsorption experiment indicate that the Fe3O4@YS-UiO-66-NH2 possesses high adsorption capacity towards ALs and the adsorption behaviors are fitted with Langmuir adsorption isotherm model. Furthermore, a magnetic solid-phase extraction using Fe3O4@YS-UiO-66-NH2 and HPLC method was developed for the analysis of ALs in spiked samples with the recovery of 89.6–100.8%. In addition, the proposed method was successfully applied in the pharmacokinetics study of berberine, coptisine, and palmatine in the rat. In short, the developed method might be used for high-efficient recognition and determination of ALs in plasma sample, which would also provide a new way to fabricate magnetic functionalized metal-organic framework in separation science.

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PAL was purchased from Chengdu DeSiTe Biological Technology Co., Ltd. (Sichuan, China).

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Afrormosine CAS:550-79-8 中藥對(duì)照品標(biāo)準(zhǔn)品

產(chǎn)品編碼:DA0040產(chǎn)品名稱(chēng):Afrormosine英文名:AfrormosineCAS登錄...

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