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University of California - Santa Cruz Researchers at UC Santa Cruz have developed a novel chip-based antigen test that can provide ultrasensitive detection of SARS-CoV-2 and influenza A, the viruses that cause COVID-19 and flu, respectively. The test is sensitive enough to detect and identify individual viral antigens one by one in nasal swab samples. This ultrasensitive technique could eventually be developed as a molecular diagnostic tool for point-of-care use. The researchers reported their findings in a paper published May 4 in Proceedings of the National Academy of Sciences. “This is a chip-based biosensor capable of detecting individual proteins one at a time, and we show how it can be used to detect and identify the antigens for multiple diseases at the same time,” said senior author Holger Schmidt, professor of electrical and computer engineering at UC Santa Cruz.

Alexandra stambaughHolger schmidtAaron hawkinsWm keck centerBrigham young universityProceedings of the national academy sciencesColligan clinical diagnostic laboratoryBaskin school of engineeringNational academyKapany chairKeck centerNanoscale optofluidicsClinical diagnosticஹோல்கர் ஶ்மிட்ஆரோன் ஹாக்கின்ஸ்வம் கேக்க் மையம்