期刊
NEW JOURNAL OF CHEMISTRY
卷 47, 期 13, 页码 6176-6185出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3nj00069a
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A facile method for preparing magnetic polymer microspheres was presented in this study. Hollow poly(divinylbenzene-co-methacrylic acid) microspheres were synthesized by one-step reflux-precipitation polymerization, followed by in situ precipitation of Fe3O4 magnetic nanoparticles within the microsphere cavities. The resulting magnetic microspheres showed uniform particle size, good suspension stability, superparamagnetism, and abundant surface functional groups. The particle size and surface functional group modification can be controlled for practical applications. Additionally, these magnetic microspheres demonstrated good protein separation capacity, indicating their potential in protein separation and purification applications.
Magnetic polymer microspheres have received a lot of attention owing to their high biocompatibility, superparamagnetism, and widespread use in protein purification, cell separation, medical diagnosis, targeted drug delivery, and environmental wastewater treatment. In this study, a facile method for preparing magnetic polymer microspheres was presented. First, hollow poly(divinylbenzene-co-methacrylic acid) (P(DVB-co-MAA)) microspheres were synthesized by one-step reflux-precipitation polymerization. Second, Fe3O4 magnetic nanoparticles were precipitated in situ within the microsphere cavities. Magnetic Fe3O4@P(DVB-co-MAA) microspheres have a uniform particle size, good suspension stability, superparamagnetism, and abundant surface functional groups. The particle size of the microspheres as well as the modification of the surface functional groups can be controlled to meet the requirements for practical applications. Furthermore, the magnetic Fe3O4@P(DVB-co-MAA) microspheres show good protein separation capacity. Therefore, this method will have potential in the application of protein separation and purification.
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