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Measuring a suspicious pill’s traits and comparing them to computer-generated reference values could reveal chemical signatures of previously unseen fentanyl variants, researchers report in a paper posted at bioRxiv.org. Although the system isn’t yet ready for use by law enforcement officials, the ability to look beyond molecules on the official books could one day help them stay a step ahead of opioid traffickers. ANGELA WEISS/AFP/GETTY IMAGES Used in anesthesia and pain medication, fentanyl is up to 100 times as potent as its cousin morphine. Just two milligrams, an amount that fits on the tip of a pencil, is potentially lethal. In the United States, there were more than 72,000 overdose deaths in 2023 alone. …
摘自《科学新闻》(Science News)第208卷 第8期 · 2026年8月刊。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。