Structural characterization of copolymer embedded magnetic nanoparticles
作者： G.G. Nedelcu , A. Nastro , L. Filippelli , M. Cazacu , M. Iacob
DOI: 10.1016/J.APSUSC.2015.04.191
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摘要: Abstract Small magnetic nanoparticles (Fe3O4) were synthesized by co-precipitation and coated emulsion polymerization with poly(methyl methacrylate-co-acrylic acid) (PMMA-co-AAc) to create surface functional groups that can attach drug molecules other biomolecules. The uncoated magnetite stored for two years in normal closed ships than characterized Fourier transform infrared spectroscopy, X-ray diffraction, transmission electron microscopy, vibrating sample magnetometry, paramagnetic resonance spectroscopy. solid phase transformation of maghemite, as well an increase particle size evidenced the nanoparticles. preserved their structure properties. influences monomers surfactant layers on interactions between thickness polymer has a significant effect
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