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  2. New York punished 2,000 prisoners over false positive drug ...

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    The manufacturer of the contraband screening drug tests, Sirchie Finger Print Laboratories, says in its instructions that the results from the drug tests should be treated as preliminary and ...

  3. Fentanyl test strips are being used by drug dealers to ... - AOL

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    Law enforcement officials warn that drug dealers now use fentanyl test strips on their pills and then post photos on social media to prove their drugs are “clean.”

  4. Iowa is overdue to make fentanyl test strips legal and easy ...

    www.aol.com/iowa-overdue-fentanyl-test-strips...

    A standalone bill in 2024 by state Rep. John Forbes would have made fentanyl test strips legal and gone a step further by ordering state agencies and other groups to make them and naloxone doses ...

  5. Fentanyl - Wikipedia

    en.wikipedia.org/wiki/Fentanyl

    Research in Dr. Lieberman's lab at the University of Notre Dame has reported false positive results on BTNX fentanyl testing strips with methamphetamine, MDMA, and diphenhydramine. [131] The sensitivity and specificity of fentanyl test strips vary depending on the concentration of fentanyl tested, particularly from 10 to 250 ng/mL. [132]

  6. Pan-assay interference compounds - Wikipedia

    en.wikipedia.org/wiki/Pan-assay_interference...

    Diagram depicting a representative pan-assay interference compound. The drug-like molecule specifically interacts with target B, but the PAINS-like compound non-specifically interacts with multiple targets. Pan-assay interference compounds (PAINS) are chemical compounds that often give false positive results in high-throughput screens. [1]

  7. Reagent testing - Wikipedia

    en.wikipedia.org/wiki/Reagent_testing

    Reagent testing is one of the processes used to identify substances contained within a pill, usually illicit substances. With the increased prevalence of drugs being available in their pure forms, the terms "drug checking" or "pill testing" [1] may also be used, although these terms usually refer to testing with a wider variety of techniques covered by drug checking.

  8. 7 students ate gummy bears from a baggie that tested positive ...

    www.aol.com/7-elementary-students-sickened...

    Synthetic opioids – primarily involving the powerful drug fentanyl – are the main driver of US overdose deaths, with nearly a 7.5-fold increase overall from 2015 to 2021, according to the US ...

  9. Presumptive and confirmatory tests - Wikipedia

    en.wikipedia.org/wiki/Presumptive_and...

    Most people who take a drug test take a presumptive test, cheaper and faster than other methods of testing. However, it is less accurate and can render false results. The FDA recommends for confirmatory testing to be conducted and the placing of a warning label on the presumptive drug test: "This assay provides only a preliminary result.