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Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs 

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Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs 

China Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs  supplier
Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs  supplier Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs  supplier

Large Image :  Cotinine Drug Abuse Test Kit Easy Operation , Urine Test Strips For Drugs 

Product Details:

Place of Origin: China
Brand Name: New Life
Certification: ISO13485, CE
Model Number: strip

Payment & Shipping Terms:

Minimum Order Quantity: 5000pcs
Price: USD0.5-USD5
Packaging Details: 1pc/pouch, 25pcs/box
Delivery Time: 20-30days
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 2000000pcs/month
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Detailed Product Description
Category: Drug Test Kit Format: DIPCARD
Specimen: Urine Specimen Testing Time: 5-15 Minutes
Shelf Life: 24 Months Application: COT DRUG
Cut-off: 200ng/ml

Drug Abuse Test Kit COT (Cotinine) Rapid Diagnostic Test dipcard , cut-off 200ng/ml, urine drug test

 

Product Name

 

COT Rapid Diagnostic Test/ Cotinine Rapid Diagnostic Test

Specimen: Urine

 

 

Background

 

 

Cotinine is the first-stage metabolite of nicotine, a toxic alkaloid that produces stimulation of the autonomic ganglia and central nervous system when in humans. Nicotine is a drug to which virtually every member of a tobacco-smoking society is exposed whether through direct contact or second-hand inhalation. In addition to tobacco, nicotine is also commercially available as the active ingredient in smoking replacement therapies such as nicotine gum, transdermal patches and nasal sprays. In a 24-hour urine, approximately 5% of a nicotine dose is excreted as unchanged drug with 10% as cotinine and 35% as hydroxycotinine; the concentrations of other metabolites are believed to account for less than 5%.1 While cotinine is thought to be an inactive metabolite, it’s elimination profile is more stable than that of nicotine which is largely urine pH dependent. As a result, cotinine is considered a good biological marker for determining nicotine use. The plasma half-life of nicotine is approximately 60 minutes following inhalation or parenteral administration.2 Nicotine and cotinine are rapidly eliminated by the kidney; the window of detection for cotinine in urine at a cutoff level of 200 ng/mL is expected to be up to 2-3 days after nicotine use. The COT One Step Cotinine Test Device (Urine) is a rapid urine screening test that can be performed without the use of an instrument. The test utilizes a monoclonal antibody to selectively detect elevated levels of Cotinine in urine. The COT One Step Cotinine Test Device (Urine) yields a positive result when the Cotinine in urine exceeds 200 ng/mL

 

 

Intended Use

 

The COT One Step Cotinine Test Device (Urine) is a lateral flow chromatographic immunoassay for the detection of Cotinine in human urine at a cut-off concentration of 200 ng/mL. This test will detect other related compounds, please refer to the Analytical Specificity table in this package insert. This assay provides only a preliminary analytical test result. A more specific alternate chemical method must be used in order to obtain a confirmed analytical result. Gas chromatography and mass spectrometry (GC/MS) is the preferred confirmatory method. Clinical consideration and professional judgment should be applied to any drug of abuse test result, particularly when preliminary positive results are used.

 

Parameter Calibrator Cut-off (ng/mL)
COT(Cotinine) Cotinine 200

 

 

Test Principle

 

The COT One Step Cotinine Test Device (Urine) is an immunoassay based on the principle of competitive binding. Drugs which may be present in the urine specimen compete against the drug conjugate for binding sites on the antibody. During testing, a urine specimen migrates upward by capillary action. Cotinine, if present in the urine specimen below 200 ng/mL, will not saturate the binding sites of antibody coated particles in the test device. The antibody coated particles will then be captured by immobilized Cotinine conjugate and a visible colored line will show up in the test line region. The colored line will not form in the test line region if the Cotinine level exceeds 200 ng/mL because it will saturate all the binding sites of antiCotinine antibodies. A drug-positive urine specimen will not generate a colored line in the test line region because of drug competition, while a drug-negative urine specimen or a specimen containing a drug concentration less than the cut-off will generate a line in the test line region. To serve as a procedural control, a colored line will always appear at the control line region indicating that that proper volume of specimen has been added and membrane wicking has occurred.

 

DIRECTIONS FOR USE

 

Bring tests, specimens, and/or controls to room temperature (15-30°C) before use.

Remove the test from its sealed pouch, and place it on a clean, level surface. Label the test with patient or control identification. For best results, the assay should be performed within one hour.

Using the provided disposable pipette, transfer 3 drops of specimen (approximately 120 µL) to the specimen well (S) of the device and start the timer.

Avoid trapping air bubbles in the specimen well (S), and do not add any solution to the result area.

As the test begins to work, color will migrate across the membrane.

Wait for the colored band(s) to appear. The result should be read at 5 minutes. Do not interpret the result after 8 minutes

 

 

INTERPRETATION OF RESULTS

 

 

NEGATIVE:* A colored line appears in the Control region (C) and colored lines appears in the Test region (T). This negative result means that the concentrations in the urine sample are below the designated cut-off levels for a particular drug tested.

 

 

*NOTE: The shade of the colored lines(s) in the Test region (T) may vary. The result should be considered negative whenever there is even a faint line.

 

 

POSITIVE: A colored line appears in the Control region (C) and NO line appears in the Test region (T). The positive result means that the drug concentration in the urine sample is greater than the designated cut-off for a specific drug.

 

 

INVALID: No line appears in the Control region (C). Insufficient specimen volume or incorrect procedural techniques are the most likely reasons for Control line failure. Read the directions again and repeat the test with a new test card. If the result is still invalid, contact your manufacturer.

 

 

QUALITY CONTROL

 

A procedural control is included in the test. A colored line appearing in the control line region (C) is considered an internal procedural control. It confirms sufficient specimen volume, adequate membrane wicking and correct procedural technique.

 

Performance characteristics

 

A side-by-side comparison was conducted using the COT One Step Cotinine Test Device (Urine) and a leading commercially available COT rapid test. Testing was performed on 300 clinical specimens collected from smoking and non-smoking volunteers. The following results were tabulated:

 

 

Table 1: Specimen Correlation

 

Method Other COT Rapid Test Total
COT Results Positive Negative Results
One Step Positive 103 12 115
Test Device Negative 0 185 185
Total Results 103 197 300
% Agreement >99% 94% 96%

 

 

ORIENT NEW LIFE MEDICAL CO., LTD.
Contact: Jerry Meng
Email: Jerry @ newlifebiotest .com
Tel. +86 18657312116
SKYPE enetjerry

 

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Contact Person: Jerry Meng

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