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Images of optical microscopy of diluted suspensions of magnetic particles (about 0.2% v/v of particles) in solutions of alginate polymer. Images (a,c,e,g,i) were taken in the absence of the applied magnetic field; (b,d,f,h,j) were taken under the application of a magnetic field of 40 mT. Solutions of alginate polymer used as a dispersing medium were as follows: (a,b) 5LVSA; (c,d) 10LVSA; (e,f) 15LVSA; (g,h) 20LVSA and (i,j) 8MVSA.
