<ul data-eligibleForWebStory="false"><li>Researchers have developed terahertz optoacoustic technology to measure blood ion concentrations non-invasively.</li><li>Combining terahertz spectroscopy with optoacoustic detection allows for real-time monitoring of blood sodium levels.</li><li>The method overcomes challenges by utilizing temperature-dependent optoacoustic response to detect ions present.</li><li>The team successfully demonstrated detection of sodium ions in human blood and living mice.</li><li>Future plans involve applying the approach to detect neural ion activity without labeling.</li></ul>

Terahertz optoacoustics allows real-time monitoring of blood sodium levels

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