Preparation and Responsive Properties of Magnetically Soft Poly(<i>N</i>-isopropylacrylamide) Gels

Abstract

A novel polymer gel characterized by temperature and magnetic field sensitivity has been prepared. By incorporation of magnetite nanoparticles into poly( N -isopropylacrylamide) hydrogels, we are able to target and separate the gel beads by a magnetic field. It was established that the presence of magnetic material does not modify the temperature sensitivity of these gels.