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  2. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    Urine drug test kits are available as on-site tests, or laboratory analysis. Urinalysis is the most common test type and used by federally mandated drug testing programs and is considered the Gold Standard of drug testing. Urine based tests have been upheld in most courts for more than 30 years.

  3. Marquis reagent - Wikipedia

    en.wikipedia.org/wiki/Marquis_reagent

    The above photo shows the positive results of the number 2 Marquis reagent presumptive drug test when used with a sample of opium. It is the primary presumptive test used in Ecstasy reagent testing kits. It can also be used to test for such substances as opiates (e.g. codeine, heroin), and phenethylamines (e.g. 2C-B, mescaline).

  4. Enzyme multiplied immunoassay technique - Wikipedia

    en.wikipedia.org/wiki/Enzyme_multiplied...

    EMIT therapeutic drug monitoring tests provide accurate information about the concentration of such drugs such as immunosuppressant drugs and some antibiotics. [ 3 ] [ 4 ] EMIT urine assays for drugs such as cannabinoids, morphine, and amphetamine are designed to detect the drug itself or a metabolite of the drug present in a concentration ...

  5. What Really Causes a False Positive COVID-19 Test? Experts ...

    www.aol.com/lifestyle/false-positive-covid-19...

    The government program that mailed free COVID-19 test kits to Americans came to an end when the CDC announced the end of the public health emergency in May 2023. But an iteration is coming back ...

  6. Walgreens halts genetic test sales on FDA concerns - AOL

    www.aol.com/2010/05/13/walgreens-halts-genetic...

    Earlier this week, Walgreens announced with great fanfare that it was selling a controversial over-the-counter genetics test. The drug store chain quickly changed its mind after the Food and Drug ...

  7. Mecke reagent - Wikipedia

    en.wikipedia.org/wiki/Mecke_reagent

    The Mecke reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of selenous acid and concentrated sulfuric acid, [1] which is dripped onto the substance being tested.