G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/545 (2006.01) G01N 33/543 (2006.01)
Patent
CA 2452766
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/m2 and an average particle size of 0.01 to 1.5 µm.
L'invention concerne un latex à particules supports pour réactif d'essai de bio-échantillon à large éventail de concentrations, utilisable dans le cadre d'examens immunosérologiques. Ce latex peut être stocké de façon stable et pendant une longue durée. L'invention concerne également un réactif d'essai contenant le latex en question. Ledit latex présente des particules supports en copolymère de monomère polymérisable à groupe phényle et de monomère polymérisable à groupe phényle et sel d'acide sulfonique. Les particules supports ont une teneur en groupes sulfo de surface comprise entre 0,005 et 0,7 µmol/m?2¿ et un diamètre moyen compris entre 0,01 et 1,5 µm.
Riches Mckenzie & Herbert Llp
Sekisui Chemical Co. Ltd.
Sekisui Medical Co. Ltd.
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