Automatic immunological measuring system

Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals – Carrier is inorganic

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436 47, 436 49, 436807, 435 771, 435287, 435291, 435300, 422 65, 422 67, 422 8205, C12M 100, G01N 2100, G01N 3502

Patent

active

051588951

ABSTRACT:
An automatic immunoassay apparatus utilizes cartridges each having at least two wells, a first well containing solid phase material carrying antigen or antibody, and a second well containing antibody or antigen labelled with labelling compound. The wells may be sealed with a suitable sealing film before use and the sealing film is broken when the cartridge is to be used. The cartridges are transported to a predetermined position on a steppingly movable reaction line and conveyed thereby at a predetermined interval. While the reaction line steps, a sample, labelled antigen or antibody contained in the second well and substrate, if necessary, are added to the first well and stirred at predetermined timings, and reactions between the sample and a reactive solution are measured under control of a control device having a memory storing operator selectable programs for various measuring methods.

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patent: 4952518 (1990-08-01), Johnson et al.
patent: 4988618 (1991-01-01), Li et al.

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