Scheme of the Test Strip Work (IMAGE)

Moscow Institute of Physics and Technology

Scheme of the Test Strip Work

Caption

The antigen is the test protein (e.g. PSA). MP is the magnetic nanoparticle, the upside down Y is the antibody to the test protein. The test antibodies (the blue Ys) capture the test protein, and the control antibodies (the yellow Ys) capture the antibodies with the nanoparticles.

Credit

Image courtesy authors of the study

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