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|Title:||Solvent-free atom transfer radical polymerization for the preparation of poly(poly(ethyleneglycol) monomethacrylate)-grafted Fe3O4 nanoparticles: Synthesis, characterization and cellular uptake|
|Citation:||Fan, Q.-L., Neoh, K.-G., Kang, E.-T., Shuter, B., Wang, S.-C. (2007-12). Solvent-free atom transfer radical polymerization for the preparation of poly(poly(ethyleneglycol) monomethacrylate)-grafted Fe3O4 nanoparticles: Synthesis, characterization and cellular uptake. Biomaterials 28 (36) : 5426-5436. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biomaterials.2007.08.039|
|Abstract:||Poly(poly(ethyleneglycol) monomethacrylate) (P(PEGMA))-grafted magnetic nanoparticles (MNPs) were successfully prepared via a solvent-free atom transfer radical polymerization (ATRP) method. The macroinitiators were immobilized on the surface of 6.4±0.8 nm Fe3O4 nanoparticles via effective ligand exchange of oleic acid with 3-chloropropionic acid (CPA), which rendered the nanoparticles soluble in the PEGMA monomer. The so-obtained P(PEGMA)-grafted MNPs have a uniform hydrodynamic particle size of 36.0±1.2 nm. The successful grafting of P(PEGMA) on the MNP surface was ascertained from FTIR and XPS analyses. The uptake of the MNPs by macrophage cells is reduced by two-orders of magnitude to|
|Appears in Collections:||Staff Publications|
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