Breakthrough in Blood Sodium Monitoring: Terahertz Technology Unveils Non-Invasive Diagnostic Future

Scientists have innovated a way to monitor blood sodium levels without drawing blood, using terahertz radiation and optoacoustic detection. This non-invasive method offers real-time sodium tracking, promising advancements in diagnosing and managing dehydration, kidney disease, and other conditions.


Devdiscourse News Desk | Updated: 07-07-2025 15:27 IST | Created: 07-07-2025 15:27 IST
Breakthrough in Blood Sodium Monitoring: Terahertz Technology Unveils Non-Invasive Diagnostic Future
Representative Image . Image Credit: ANI
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In a groundbreaking development, scientists have devised a novel method for monitoring blood sodium levels, eliminating the need for traditional blood sample collection. This breakthrough combines terahertz radiation with optoacoustic detection to establish a non-invasive system capable of tracking sodium in real-time, even through the skin.

The innovative approach circumvents challenges like water interference, paving the way for fast and safer diagnostic procedures in human medicine. Accurately measuring blood sodium is vital for diagnosing and managing conditions such as dehydration, kidney disease, and certain neurological and endocrine disorders.

Terahertz radiation, situated between microwaves and mid-infrared on the electromagnetic spectrum, is heralded for its low energy and non-harmful nature, making it ideal for biological applications. "By adding optoacoustic detection, we overcame key challenges and achieved the first in vivo ion detection using terahertz waves," said Zhen Tian from Tianjin University, highlighting the method's practicality for clinical use.

(With inputs from agencies.)

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