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Overview schematic of parts of the prototype immunosensor. (A) Disposable homogenizer unit with 3D-printed sieves (B) Disposable unibody lab-on-a-chip (ULOC) for dilution of extracted allergens and mixing with carbon nanoparticle labeled allergen-specific antibodies. (C) Reusable smartphone and ULOC holder. (D) Smartphone readout, as a result, appears in realtime on the screen.
