Design of Smart Oligo(ethylene glycol)‐Based Biocompatible Hybrid Microgels Loaded with Magnetic Nanoparticles | Zendy

Boularas Mohamed | Zendy; Gombart Emilie | Zendy; Tranchant JeanFrançois | Zendy; Billon Laurent | Zendy; Save Maud | Zendy

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Design of Smart Oligo(ethylene glycol)‐Based Biocompatible Hybrid Microgels Loaded with Magnetic Nanoparticles

Author(s) -

Boularas Mohamed,

Gombart Emilie,

Tranchant JeanFrançois,

Billon Laurent,

Save Maud

Publication year - 2015

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.201400578

Subject(s) - ethylene glycol , materials science , copolymer , methacrylate , nanoparticle , dispersity , methacrylic acid , chemical engineering , biocompatible material , magnetic nanoparticles , superparamagnetism , polymer chemistry , methyl methacrylate , nanotechnology , polymer , magnetization , composite material , medicine , biomedical engineering , physics , quantum mechanics , magnetic field , engineering

This article reports a rational strategy for preparing smart oligo(ethylene glycol)‐based hybrid microgels loaded with high content of homogeneously distributed preformed magnetic nanoparticles (NPs) (up to 33 wt%). The strategy is based on the synthesis of biocompatible multiresponsive microgels by precipitation copolymerization of di(ethylene glycol) methyl ether methacrylate, oligo(ethylene glycol) methyl ether methacrylate, methacrylic acid, and oligo(ethylene glycol)diacrylate. An aqueous dispersion of preformed magnetic NPs is straightforwardly loaded into the microgels. Robust monodisperse thermoresponsive magnetic microgels are produced, exhibiting a constant value of the volume phase transition temperature whatever the NPs content. The homogeneous microstructure of the initial stimuli‐responsive biocompatible microgels plays a crucial role for the design of unique well‐defined ethylene glycol‐based thermoresponsive hybrid microgels.

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