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Cotinine Cot Rapid Tests - China

price: contact company for price

Cotinine (COT) Rapid Tests

The COT Rapid Test is a rapid chromatographic immunoassay for the detection of Cotinine in human urine/saliva.

This test will detect other related compounds, please refer to the Analytical Specificity table in this package insert.

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 500 ng/mL is expected to be up to 2-3 days after nicotine use.

Well Biotect is an Alcohol Rapid Tests Company.


Company Contact:


  • Phone: 86 519 80191660

  • Address: F4, C1 Building, No.9 Changyang Rd., Changzhou , Jiangsu , China

  • Email: Email


Published date: November 27, 2020

  • Business Description: Jiangsu Well Biotech Co., Ltd. - a Sino-American joint venture, is a professional manufacturer specialized in medical in vitro diagnostic assays and reagents, instrument research and development, and world-class sales and service, Well Biotech was established in 2006 located in No 9, Changyang Rd., Changzhou, Jiangsu China.

    Our flagship facility consists of an area of 1000 square meters of 100,000 level clean production workshop and 600 square meters of laboratory with registered capital of 12.85 million RMB.

    In addition, we have a 600-square-meter R&D center in San Diego (Silicon Valley) A full set of rapid diagnostic reagent production line and international advanced testing equipment enable us to supply consistent high quality products.

    Our core technologies include small molecule antigen synthesis technology, monoclonal antibody preparation technology, solid phase enzyme free technology, immunochromatography technology, test kit development and production technology, saliva sample detection and analysis technology and a number of prohibited drugs and other antigen antibody preparation and detection technology patents.

    Jiangsu Well Biotech Co., Ltd has established a multi-project rapid detection technology platform with saliva as the detection sample.

    Colloidal gold rapid diagnosis products cover five series of pregnancy, infectious disease, drugs, tumor markers and cardiac markers.

    Elisa kits can be used for the rapid detection of 30 prohibited drugs; The test strip has formed a full series of samples of saliva, drink and urine testing products, the annual production and sales can be over millions of pieces.

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