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flag Queensland researchers developed a fast, cheap saliva test that detects multiple cancers early using a paper sensor and advanced nanotechnology.

flag Researchers at Queensland University of Technology have created a rapid, low-cost saliva test that detects the S100P protein biomarker linked to several cancers, including oral, colon, prostate, and pancreatic cancers, in about an hour. flag Using a paper sensor with gold and silver nanoparticles and surface-enhanced Raman spectroscopy, the test enables non-invasive, point-of-care detection without blood draws or biopsies. flag A green synthesis method with deep UV LED light enhances sensitivity and accuracy. flag The technology, published in Talanta, could significantly shorten diagnosis time and improve early detection, with potential for widespread use in clinical and community settings.

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