Denaturant reagents for convenient dertermination of...

Details Denaturant reagents for convenient dertermination of... Denaturant reagents for convenient dertermination of...

G - Physics

01

N

167/37

G01N 33/53 (2006.01) G01N 33/543 (2006.01) G01N 33/72 (2006.01)

Patent

CA 1340220

An analytical method for determining the relative amount of a particular hemoglobin derivative, e.g., glycated hemoglobin, in a blood sample wherein the amounts of both total hemoglobin and the hemoglobin derivative are measured and related mathematically, e.g., as a percentage. The blood sample is treated with the combination of a thiocyanate salt and an oxidant to denature the hemoglobin in the sample and to convert hemoglobin to met-hemoglobin. Met-hemoglobin is measured spectrophotometrically to give the amount of total hemoglobin present, and the denatured hemoglobin derivative can be distinguished and measured by immunoassay. The presence of the oxidant in the denaturant solution has been found to increase the rate of denaturation of hemoglobin thereby reducing the overall assay time and improving the reliability of the determination.

576787

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