Multiple urine test strips
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With the aid of routine examinations early symptoms of the following four groups can be identified.. The urine test strip test for white blood cells detects leukocyte esterase, which is present in azurophilic granules of monocytes and granulocytes neutrophilic , eosinophilic and basophilic. A number of substances interfere with the Ehrlich reaction on the Multistix strip. In other projects Wikimedia Commons. In the range 5 to 9 the strips show colours that change from orange at pH 5, passing through yellow and green to dark blue at pH 9. However, as the protein concentration increases, the colour progresses through various shades of green and finally to blue. The detection of glucose by test strips is based on the enzymatic reaction of glucose oxidase. In many liver diseases the patients often show signs of pathology only at a late stage. Traditionally, ascorbic acid vitamin C has been associated with false-negative reagent strip reactions for blood. Poorly stored samples can yield false negative results as the urobilinogen suffers photo oxidation to urobilin that does not react. Once blood has been detected, the microscopic examination can be used to differentiate between hematuria and hemoglobinuria. Retrieved March 13, The test method consists of immersing the test strip completely in a well mixed sample of urine for a short period of time, then extracting it from the container and supporting the edge of the strip over the mouth of the container to remove excess urine.
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