Antigen Test
What is Antigen?
In general, antigens are composed of proteins, peptides, and polysaccharides. Any portion of bacteria or viruses, such as surface protein, coat, capsule, toxins, and cell wall, can serve as antigens.
An antigen contains distinct sites on its surface, which is called an epitope or antigenic determinant. Antibodies generated against an antigen recognize and interact with specific epitopes via antigen-binding sites (paratopes) to trigger immune responses.
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Rapid Antigen Test
The Antigen Nasopharyngeal Swab Rapid Test is a fast, cassette-based chromatographic immunoassay for the qualitative detection of SARS-CoV-2 antigens in nasopharyngeal swab samples from individuals with suspected SARS-CoV-2 infection in conjunction with clinical presentation and the results of other laboratory tests.
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