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. 2013 Dec 10;10(4):819–829. doi: 10.1016/j.nano.2013.11.009

Figure 1.

Figure 1

A schematic diagram of the magnetic MnFe2O4 nanoparticle bead-based immunoassay process used in this study. (A) Mix viral particles and surface-modified mAbs magnetic nanoparticles for 5 min. (B) Collect the nanoparticle–virus complexes and wash out the non-specific materials. (C) Transport the α-A-NP–PE mAbs into the mixing chamber and mix them with the nanoparticle–virus complexes for 5 min. (D) Collect the nanoparticle–virus-mAb-PE complexes, wash and detect the signals by using the optical detection module.