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flag A new blood test detects lung cancer earlier than CT scans by identifying tiny cancer signals using advanced nanotech, but it's not yet available for patients.

flag A new blood test developed by Shenzhen University researchers detects lung cancer earlier than traditional imaging by identifying trace cancer biomarkers using a light-based sensor combining DNA nanotechnology, CRISPR, and quantum dots. flag The method, published in Optica, successfully detected signals from just a few molecules in real patient serum samples, enabling early diagnosis before tumors appear on CT scans. flag It could allow for routine blood screenings, improve treatment personalization through frequent biomarker monitoring, and reduce reliance on imaging. flag Researchers believe the technology may eventually lead to portable, accessible tests for cancer and other diseases, though it remains in early stages and is not yet available for clinical use.

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