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Multipass Spectroscopy Method Enables Disease-Detecting Breath Test

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WASHINGTON, D.C., Nov. 18, 2020 — An optical sensing method developed by a research team at the University of Warsaw relies on highly sensitive spectroscopic measurements to detect the presence or absence of formaldehyde in a person’s breath. The breath test is based on multipass spectroscopy and can detect the presence of a single molecule of formaldehyde in 1 million air particles, even in the presence of gases that can obstruct precision optical measurements. Formaldehyde is currently under investigation as a biomarker for cancers such as lung and breast. The ability to detect it quickly and noninvasively...Read full article

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