Carrier particle latex for assay reagent and assay reagent

Details Carrier particle latex for assay reagent and assay reagent Carrier particle latex for assay reagent and assay reagent

2008-03-04

2008-03-04

Chin, Christopher L. (Department: 1641)

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

Carrier is organic

C428S403000, C436S532000, C436S533000, C436S534000

Reexamination Certificate

active

10482302

ABSTRACT:
An objective of the invention is to provide a carrier particle latex for an assay reagent capable of assaying a biological sample at a wide range of the concentration in an immunoserological test and capable of being stored stably for a prolonged period, as well as an assay reagent employing the same.The invention is a carrier particle latex for an assay reagent comprising a carrier particle comprising a copolymer of a polymerizable monomer having a phenyl group and a polymerizable monomer having a phenyl group and a sulfonate, wherein said carrier particle has a surface sulfonic acid group amount of 0.005 to 0.7 μmol/m2and an average particle size of 0.01 to 1.5 μm.

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