UC San Diego researchers have developed screen-printed sensors that could offer a faster, more convenient and low-cost method to detect the drug fentanyl. Photo by David Baillot courtesy of UC San Diego Jacobs School of Engineering

UC San Diego researchers have developed screen-printed sensors that could offer a faster, more convenient and low-cost method to detect the drug fentanyl. Photo by David Baillot courtesy of UC San Diego Jacobs School of Engineering

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