Surface modification of superparamagnetic Fe₃O₄ nanoparticles using polymers (polyaniline/polypyrrole) was done by radio frequency (r.f.) plasma polymerization technique and characterized by XRD, TEM, TG/DTA and VSM. Surface-passivated Fe₃O₄ nanoparticles with polymers were having spherical/rod-shaped structures with superparamagnetic properties. Broad visible photoluminescence emission bands were observed at 445 and 580 nm for polyaniline-coated Fe₃O₄ and at 488 nm for polypyrrole-coated Fe₃O₄. These samples exhibit good fluorescence emissions with L929 cellular assay and were non-toxic. Magnetic hyperthermia response of Fe₃O₄ and polymer (polyaniline/polypyrrole)-coated Fe₃O₄ was evaluated and all the samples exhibit hyperthermia activity in the range of 42–45 °C. Specific loss power (SLP) values of polyaniline and polypyrrole-coated Fe₃O₄ nanoparticles (5 and 10 mg/ml) exhibit a controlled heat generation with an increase in the magnetic field.

使用聚合物（聚苯胺/聚吡咯）对超顺磁性Fe ₃ O ₄纳米粒子进行表面改性是通过射频（rf）等离子体聚合技术进行的，并通过XRD、TEM、TG/DTA和VSM进行表征。具有聚合物的表面钝化的Fe ₃ O ₄纳米颗粒具有具有超顺磁性的球形/棒状结构。_{对于涂有聚苯胺的 Fe 3 O 4 在 445 和 580 nm 处观察到宽的可见光致发光发射带，对于涂有聚吡咯的 Fe 3} O ₄则在 488 nm_处观察_到。这些样品在 L929 细胞分析中表现出良好的荧光发射，并且无毒。Fe的磁热疗反应_对3 O ₄和聚合物（聚苯胺/聚吡咯）包覆的 Fe ₃ O ₄进行了评估，所有样品在 42-45 °C 范围内都表现出热疗活性。聚苯胺和聚吡咯涂层的 Fe ₃ O ₄纳米颗粒（5 和 10 mg/ml）的比损耗功率 (SLP) 值随着磁场的增加表现出受控的发热。