Rapid test for detecting Fentanyl: researchers have developed a first-of-its-kind, handheld electrochemical sensor that can accurately detect (98% accuracy) fentanyl in urine within seconds
https://news.utdallas.edu/health-medicine/sensor-fentanyl-2024/
https://redd.it/1ah94kd
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https://news.utdallas.edu/health-medicine/sensor-fentanyl-2024/
https://redd.it/1ah94kd
@r_sciencegeeks