ANA 8, DIAspot Neptune

This kit is intended to be performed on the Neptune Instrument.

The test is based on the principle of an Enzyme Immunoassay.

The test strips are composed of a membrane fixed on a specific plastic support.

During the automated test procedure, the Neptune instrument sequentially incubates the strips in the wells of ready-to-use reagent cartridges.

Briefly: the strips are first incubated with diluted patients’ sera. Human antibodies, if present, bind to the corresponding specific antigen(s) on the membrane.

Unbound or excess antibodies are removed by washing.

Upon further incubation into AP-conjugated goat antibodies against human IgG, the enzyme conjugate binds to the antigen-antibody complexes.

After removal of excess conjugate by washing, the strips are finally incubated into a substrate solution.

Enzyme activity, if present, leads to the development of purple dots on the membrane pads.

The intensity of the coloration is directly proportional to the amount of antibody present in the sample.

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