Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
Patent
1993-04-08
1995-11-07
Saunders, David
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving antigen-antibody binding, specific binding protein...
210222, 324 711, 324 658, 366219, 366241, 377 10, 377 11, 422 73, 422 8201, 435 725, 435 30, 4352872, 4352871, 436526, 436548, 436808, C12Q 124, G01N 33577
Patent
active
054647525
ABSTRACT:
A method and apparatus for automatically and rapidly, retrieving, counting and/or analyzing at least one selected white blood cell population and/or subset thereof of a whole blood sample or portion thereof. A volume of a biological sample containing the white blood cells is prepared and at least one reactant specific or preferential at least to some selected biological cells is introduced thereto and rapidly mixed for a short period of time. The opacity and/or volume parameter of the cells can be modified and the mixture is then counted and analyzed in one or more steps to obtain the desired white blood cell population analysis.
The biological sample can be a whole blood sample and the reactant can include or be a lyse or a monoclonal antibody bound to microspheres, which will bind to specific ones of the cells or a combination of lyse and microspheres with antibody bound thereto. The microspheres can be magnetic and the bound cells can be magnetically removed for retrieving and analyzing the remaining blood cell population.
REFERENCES:
patent: 4747685 (1988-05-01), Suzuki
patent: 5223398 (1993-06-01), Kortright et al.
patent: 5231005 (1993-07-01), Russell et al.
Coulter Wallace H.
Kortright Kenneth H.
Paul Ronald
Rodriguez Carlos
Russell Thomas
Coulter Corporation
Saunders David
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