Main > HEMATOLOGY > Leukocyte > Determination > +Hemoglobin Concn

Product USA. C.

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 03.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Method for counting leukocytes, hemoglobin concn & differen
tiating > 4 supopulations of leukocytes in blood cell sample
- Exposing sample to lytic reagent to lyse erythrocytes with
out heat. said sample
- Adding non-aldehyde stabr to sample, wherein stabr. inhi
bits further lytic action & stabilizes leukocytes without fixing
them
- Converting oxyhemoglobin to stable hemoglobin chromo
gen
- Analyzing stabilized sample in < 30 sec after addition of
lytic reagent, wherein mode of analysis is selected of DC
wherein said analyzing is for counting WBC & differentiating
subpopulations selected from lymphocytes, monocytes
basophils, neutrophils & eosinophils
- Measuring light absorbance of stabilized sample at 540 nm
for determination of hemoglobin concn
- Reporting WBC, hemoglobin concn & > 4 leukocyte subpo
pulations
PATENT PHOTOCOPY Available on request

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