Particulate material for use in the analysis of liquid samples

Details Particulate material for use in the analysis of liquid samples Particulate material for use in the analysis of liquid samples

G - Physics

01

N

167/37, 150/7

G01N 33/48 (2006.01) G01N 27/74 (2006.01)

Patent

CA 1080123

ABSTRACT OF THE DISCLOSURE A particulate material suitable for automatic assay of fluid samples, particularly immunossays, in which a reaction product of the assay is bound to the material and separated from the reaction mixture by use of a magnetic trap. The particulate material comprises a reagent and one or more magnetic particles in a matrix of binding material and has a controlled specific gravity approaching that of the fluid sample so as to retard separation of the particulate material when mixed with the fluid sample. The binding material is selected from a group consisting of cellulose or a cellulose derivative, a polymer or synthetic polymeric material, and agarose. The material is of especial use in radioimmunoassays carried out in an automated continuous-flow manner.

330571

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