Preparation, characterization and adsorption performance of molecularly imprinted microspheres for erythromycin using suspension polymerization

Geng, Liyuan; Kou, Xing; Lei, Jiandu; Su, Haijia; Ma, Guanghui; Su, Zhiguo

doi:10.1002/jctb.2757

Cited by 30 publications

(18 citation statements)

References 20 publications

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“…ERY, MAA, EGDMA, and 2,2′-azobis(2-methylpropionitrile) were used as template molecules, functional monomers, cross-linker, and free radical initiator, respectively. In toluene (the oil phase), MAA was bound with ERY by hydrogen bonds and a prepolymer was hence formed [37]. With the addition of cross-linker and initiator, MIPs were subsequently formed.…”

Section: Preparation Of Pickering Emulsion and Mipsmentioning

confidence: 99%

“…Traditional polymerization strategies like bulk polymerization, includes grinding and sieving, are time consuming and laborious. Meanwhile, grinding and sieving may bring about destroy of some recognition sites and irregular particles [37]. To synthesize ERY-MIPs in a simpler, more efficient and environment-friendly way, O/W Pickering emulsion polymerization strategy with low organic solvent consumption and no need of tedious posttreatment process was introduced in this work.…”

Section: Introductionmentioning

confidence: 99%

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Preparation and characterization of molecularly imprinted polymers based on β‐cyclodextrin‐stabilized Pickering emulsion polymerization for selective recognition of erythromycin from river water and milk

Liu

et al. 2020

J of Separation Science

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Molecularly imprinted polymers were prepared via β‐cyclodextrin‐stabilized oil‐in‐water Pickering emulsion polymerization for selective recognition and adsorption of erythromycin. The synthesized molecularly imprinted polymers were spherical in shape, with diameters ranging from 20 to 40 µm. The molecularly imprinted polymers showed high adsorption capacity (87.08 mg/g) and adsorption isotherm data fitted well with Langmuir model. Adsorption kinetics study demonstrated that the molecularly imprinted polymers acted in a fast adsorption kinetic pattern and the adsorption features of molecularly imprinted polymers followed a pseudo‐first‐order model. Adsorption selectivity analysis revealed that molecularly imprinted polymers had a much better specificity for erythromycin than that for spiramycin or amoxicillin, and the relative selectivity coefficient values on the bases of spiramycin and amoxicillin were 3.97 and 3.86, respectively. The Molecularly imprinted polymers also showed a satisfactory reusability after four times of regeneration. In addition, molecularly imprinted polymers exhibited good adsorption capacities for erythromycin under complicated environment, that is, river water and milk. These results proved that the as‐prepared molecularly imprinted polymers is a potent absorbent for selective recognition of erythromycin, and therefore it may be a promising candidate for practical applications, such as wastewater treatment and detection of erythromycin residues in food.

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Section: Preparation Of Pickering Emulsion and Mipsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of molecularly imprinted polymers based on β‐cyclodextrin‐stabilized Pickering emulsion polymerization for selective recognition of erythromycin from river water and milk

Liu

et al. 2020

J of Separation Science

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“…However, the mixture of a certain amount of concentrated phosphoric acid and EM or AZM solution was heated in a boiling water bath for 10 min, the achieved solution will have a stable UV absorption peak at 482 nm. 28 So the remaining amount of EM and AZM can be detected at 482 nm by UV-Vis spectrophotometer aer treatment with concentrated phosphoric acid.…”

Section: Selective Recognition Experimentsmentioning

confidence: 99%

Convenient synthesis of uncovered imprinted microspheres byGanoderma lucidumspore-stabilized pickering emulsion polymerization and their enhanced recognition of spiramycin

et al. 2019

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“…29 The same method was used to measure the AZM molecules and the CHL molecules were directly detected at 278 nm by UV-Vis spectrophotometer. So the amount of EM in the filtrate was determined by UV-Vis spectrophotometry at 482 nm.…”

Section: Determination Of Em and Analoguesmentioning

confidence: 99%

Facile synthesis of eggshell-stabilized erythromycin-based imprinted composites for recognition and separation applications

et al. 2015

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In this work, eggshell particles, as the abundant waste and a natural inorganic-organic composite material, were found to be well suited to stabilize O/W Pickering emulsion, because the small amounts of organic ingredients in eggshell results in a near 90 degree contact angle θ (81.03). Erythromycin-based molecularly imprinted polymers (EM-MIPs) whose surfaces were covered in eggshell particles were successfully synthesized by developing an eggshells-stabilized Pickering emulsion methodology, interestingly and importantly in this work, the discarded eggshell particles were employed solely to stabilize the oil-in-water emulsion for the first time. The imprinting process was conducted by radical polymerization between the functional and polymeric monomers in the presence of template molecules (EM) and initiators. Various analytical approaches including Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and specific surface and pore size analysis were used to characterize the synthesized EM-MIPs, and the results sufficiently demonstrated the formation of the approximately spherical and wrinkled imprinted polymers with thermal stability (especially below 250 °C) and specific surface area (81.3 m 2 g −1 ). Attributing to the formation of eggshells-stabilized Pickering emulsion structure, the as-prepared EM-MIPs not only exhibited outstanding adsorption capacities, but also showed excellent selective adsorption effect toward EM molecules. The Langmuir isotherm model and pseudo-second-order kinetic model also strongly suggested that the chemical process was the rate-limiting step in the adsorption of EM. Moreover, we envision that the EM-MIPs and the synthesis strategy employed in this work could be utilized in a broad range of applications.

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Preparation, characterization and adsorption performance of molecularly imprinted microspheres for erythromycin using suspension polymerization

Cited by 30 publications

References 20 publications

Preparation and characterization of molecularly imprinted polymers based on β‐cyclodextrin‐stabilized Pickering emulsion polymerization for selective recognition of erythromycin from river water and milk

Preparation and characterization of molecularly imprinted polymers based on β‐cyclodextrin‐stabilized Pickering emulsion polymerization for selective recognition of erythromycin from river water and milk

Convenient synthesis of uncovered imprinted microspheres byGanoderma lucidumspore-stabilized pickering emulsion polymerization and their enhanced recognition of spiramycin

Facile synthesis of eggshell-stabilized erythromycin-based imprinted composites for recognition and separation applications

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