Fabrication and modulation of magnetically supramolecular hydrogels

The Journal of Physical Chemistry. B
Dong Ma, Li-Ming Zhang

Abstract

For the fabrication of magnetically supramolecular hydrogels, the aqueous colloidal dispersion of magnetic iron oxide nanoparticles was first stabilized by an amphiphilic poly(epsilon-caprolactone)-poly(ethylene glycol) (PEG-PCL) block copolymer and then mixed with an aqueous solution of a cyclic oligosaccharide. Due to the host-guest interaction between the used block copolymer and the cyclic oligosaccharide in the aqueous mixed system, such a fabrication process could result in the formation of a novel hydrogel nanocomposite with superparamagnetic property, as confirmed by the analyses from rheology and X-ray diffraction as well as magnetization curve measurements. For the resultant magnetically supramolecular hydrogel, its formation kinetics and mechanical strength could be modulated by the amount of the used PEG-PCL block copolymer, the cyclic oligosaccharide, or the incorporated iron oxide nanoparticles.

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Citations

Jan 23, 2009·Journal of Materials Science. Materials in Medicine·Eugenia TeodorRaluca Somoghi
Jan 1, 2009·Nanoscale Research Letters·Eugenia TeodorRaluca Somoghi
Jun 16, 2015·Colloids and Surfaces. B, Biointerfaces·Donya RamimoghadamSharifah Bee Abd Hamid
Oct 27, 2017·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jinpeng WangZhengyu Jin
Oct 9, 2018·Macromolecular Bioscience·Jiaul HoqueShyni Varghese
Dec 24, 2015·Biomedical Materials·Adnan MemicAli Khademhosseini
Dec 9, 2017·Journal of Biomedical Materials Research. Part a·Mookkandi Palsamy KesavanJegathalaprathaban Rajesh
Feb 7, 2016·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Xi LinMathias Ulbricht

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