Antibody testing system with removable air gap

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter

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422 69, 422101, 422104, 435301, G01N 2101

Patent

active

051376911

ABSTRACT:
A device for performance of ligand-receptor assay methods for determining the presence of a ligand. The preferred ligand-receptor pair are antigen-antibody pairs. The device has a membrane having the receptor physically bound to its surface. A closable gap exists between the membrane and an absorbent means. Substantially all of the top surface of the membrane is exposed. The device has a piston means disposed inside the body member, and in air-tight seal with the body member. Means to actuate the piston means are disposed outside the body member. The piston means creates a region of reduced pressure.

REFERENCES:
patent: 4789526 (1988-12-01), Matkovich
patent: 4797259 (1989-01-01), Matkovich et al.
patent: 4797260 (1989-01-01), Parker
patent: 4874691 (1989-10-01), Chandler
patent: 4908319 (1990-03-01), Smyczek et al.

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