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urine strips URS-2P
urine strips URS-2P

Accurate test result Rapid result in 30 seconds Result stable for 60 seconds Long shelf life Sensitivity down to 1mmol/l

A urine test strip is a basic diagnostic instrument used to determine pathological changes in the urine in standard urinalysis. A standard urine test strip may comprise of up to 12 different chemical pads or reagents which react (change color) when immersed in, and then removed from, a urine sample. The test can be read between 60 and 120 seconds after dipping. Routine testing of the urine with multiparameter strips is the first step in the diagnosis of a wide range of diseases.

Dimension:  90(L)     5±0.2(W)   0.24-0.26(T)  (mm) 

Wancheng urinalysis strips are very resistant to interference from ascorbic acid (vitamin C). Some strips on the market are prone to vitamin C interference and give falsely-lower or false-negative results. The tests that are most affected are blood, glucose, bilirubin and nitrite.

1) Easy to Use

2) Rapid Results

30 seconds to 2 minutes

3) High Quality Color Chart

Superior European-produced color charts provide consistent, dependable readings

4) Flexible

Available in up to 12 parameters

5) Cost Effective

25, 50, or 100 strips per bottle, with performance better than or equal to the current market leader at a much lower price

6) Consistent Quality with 2 Year Shelf Life

 

Urine Reagent Strip (URS-2P)

Testing Items: Glucose Protein

 

Glucose

This test is based on a sequential enzyme reaction. First, glucose oxidase catalyzes the formation of gluconic acid and hydrogen peroxide from the oxidation of glucose. A second enzyme, peroxidase, catalyzes the reaction of hydrogen peroxide with potassium iodide chromogen to oxidize the chromogen to colors ranging from blue through greenish-brown, and brown to dark-brown.

Reactivity of the test decreases as the specific gravity and/or pH of urine increases, and may also vary with temperature. Ascorbic acid (more than 50 mg/dl) and ketone bodies (more than 40 mg/dl) may cause a false negative result for a specimen containing a small amount of glucose (100 mg/dl). However, the combinations of such ketone levels and low glucose levels are metabolically improbable.

Protein

This test is based on the color change of the indicator tetrabromophenol blue. A positive reaction is indicated by a color change from yellow through green and then to greenish-blue.

The minimum sensitivity of this test is 10 mg/dl of protein in urine. Highly buffered alkaline urines (pH 9) may give false negative results. The interpretation of results is also difficult in turbid urine specimens.  

 

 

Visual Reading technique: 

  

 

Remove a test strip, taking care not to touch the reaction fields.

Immediately close the container again.This protects the remaining test strips from humidity and guarantees strip integrity up to the expiry date indicated. 

 

Dip the test strip for about 1 second into the fresh urine specimen.

Wipe off any excess urine on the rim of the vessel and blot the edge of the test strip on tissue paper.

 

 

 Read the result by comparing the test fields with the color scale on the test pack after 30 to 60 seconds.

 

urine strips URS-2P

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