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

<table>The magnetic hysteresis loops of Fe<sub>3</sub>O<sub>4</sub> MNPs and Fe<sub>3</sub>O<sub>4</sub>/SiO<sub>2</sub> MNPs (a). The separation process of the Fe<sub>3</sub>O<sub>4</sub>/SiO<sub>2</sub> MNPs under a permanent magnet (b).</table>

Journal of Nanomaterials

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Figure 3

Figure 3: Multiplex Immunoassays of Plant Viruses Based on Functionalized Upconversion Nanoparticles Coupled with Immunomagnetic Separation 