Sample analysis

Details Sample analysis Sample analysis

C - Chemistry, Metallurgy

12

Q

324/23

C12Q 1/00 (2006.01) C12M 1/40 (2006.01) G01N 27/30 (2006.01) G01N 33/487 (2006.01) G01N 35/08 (2006.01)

Patent

CA 1316981

ABSTRACT A system for analyzing a biological fluid or the like for a constituent of interest comprises structure defining a sample inlet port, structure defining an analysis region, a measuring system connected in sensing relation to the analysis region, and structure defining a reaction chamber that has an immobilized enzyme capable of modifying the constituent of interest. Control means operates liquid flow means in a unidirectional sample flow mode to initially flow a sample of material to be analyzed from the sample inlet port to the reaction chamber and to the analysis region for a measurement of unmodified sample material, and then operates the liquid flow means in a bidirectional sample flow mode to oscillate the sample material in the reaction chamber and facilitate modification by the immobilized enzyme of the constituent of material in the sample. Modified sample material is then introduced into the analysis region and the measuring system is operated to obtain a measurement of modified sample material, the measurements of modified and unmodified sample material then being used to provide an indication of the amount of the constituent of interest in the sample material.

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