Journal of Nanomaterials / 2013 / Article / Fig 3

Research Article

Multiplex Immunoassays of Plant Viruses Based on Functionalized Upconversion Nanoparticles Coupled with Immunomagnetic Separation

Figure 3

The magnetic hysteresis loops of Fe3O4 MNPs and Fe3O4/SiO2 MNPs (a). The separation process of the Fe3O4/SiO2 MNPs under a permanent magnet (b).

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