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Researchers at MIT have developed a new technology that could make diagnosing lung cancer easier and more accessible. The technology involves inhaling nanoparticle sensors, which, if they encounter cancer-linked proteins in the lungs, produce a signal that can be detected in urine using a simple paper test strip. This approach could potentially replace or supplement the current gold standard for diagnosing lung cancer, low-dose computed tomography (CT), and could have a significant impact in low- and middle-income countries where CT scanners are not widely available. The researchers plan to conduct further studies to determine the effectiveness of the technology in detecting human cancers. [Extracted from the article]