Facile Synthesis of Magnetic Copolymer Microspheres Based on Poly(glycidyl methacrylate-co-N-isopropylacrylamide)/Fe₃O₄ by Suspension Photopolymerization

Figure 7

Concentration of leached iron oxide (Fe₃O₄) from magnetic copolymer GN73 in different medium (acetic acid solution (50%, v/v, pH 3.0), phosphate buffer solution (pH 7.0), and sodium citrate/NaOH buffer solution (pH 12.0)) measured by atomic absorption spectrophotometer (AAS).