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  • Medical Device Link .
    including a sample pad, a conjugate pad, a membrane that incorporates capture reagents, and an absorbent pad (see Figure 1). In practice, the user dispenses a patient sample (usually urine or whole blood) onto the sample pad. The sample then flows through the sample pad into the conjugate pad, where
  • Medical Device Link .
    Figure 1). The standard components include a backing card, membrane, sample pad, absorbent pad, conjugate pad, and sometimes a wick. Modern lateral-flow tests have several improvements over the traditional model. For example, the sample pads have become efficient blood separators, allowing assays
  • Medical Device Link . Blocking strategies for nylon membranes used in enzyme-linked immunosorbent assays
    a membrane is compressed against an absorbent pad and solutions are delivered to the top face of the membrane. The primary antibody is bound to the surface of the membrane, which is then blocked to prevent nonspecific binding. The analyte is presented in a test solution, which can be either a buffer
  • Medical Device Link .
    90 mm wide x 300 mm long), a membrane (25 mm wide), sample and absorbent pads (15 20 mm wide), and a conjugate pad (8 12 mm wide). The cut test strip is in the range of 3 8 mm wide x 60 90 mm long. Processing of these components is typically accomplished as described below. Figure 1. Schematic

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