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ELISA test for AIDS

ELISA test for AIDS

M530/0102

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Credit

ALEXANDER TSIARAS / SCIENCE PHOTO LIBRARY. ALEXANDER TSIARAS / SCIENCE PHOTO LIBRARY.

Caption

AIDS test: technician examining wells in an ELISA (Enzyme Linked Immunosorbent Assay) test plate, showing postive (yellow) and negative (clear) results for presence of antibodies to HIV (Human Immunodeficiency Virus), the causative agent of AIDS (Acquired Immune Deficiency Syndrome). The ELISA test involves adding a patient's blood serum to lysed (burst) T-lymphocytes infected with HIV, causing any viral antibodies in serum to bind to viral antigens from the T-cell. This operation is performed in one well on the test plate, and after washing, labelled antihuman immunoglobulin is added which provokes a colour change if HIV antibodies are present.

Release details

Model release not required. Property release not required.

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