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The report found the city vastly overstated the prevalence of fentanyl sent by mail to detainees. When investigators retested 71 pieces of mail initially flagged by field tests as containing fentanyl, only 10 actually showed traces of the drug. The drawing of a reindeer highlighted by Molina was fentanyl-free.
New York’s prison system unfairly punished more than 2,000 prisoners after tests of suspected contraband substances falsely tested positive for drugs, according to a report released Thursday.
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.”
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]
Two bills — House Bill 1053 and Senate Bill 96 — have been filed this session to decriminalize drug test strips. The small pieces of paper detect the presence of certain drugs in a supply so a ...
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.
Pan-assay interference compounds (PAINS) are chemical compounds that often give false positive results in high-throughput screens. [1] PAINS tend to react nonspecifically with numerous biological targets rather than specifically affecting one desired target. [2] A number of disruptive functional groups are shared by many PAINS. [2] [3] [4]
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.