An innovative laser patch developed by Singapore scientists allows non-invasive monitoring of key health indicators through sweat, opening up new possibilities for monitoring the condition of patients with diabetes and other diseases.
Laser Health Patch
A Revolution in Biomarker Monitoring
Scientists from Nanyang Technological University in Singapore have created a unique laser patch that can analyze vital health indicators through human sweat. This invention represents a breakthrough in non-invasive health monitoring, especially for people with diabetes and other chronic diseases.
Sweat as a source of valuable information
Sweat contains key biomarkers such as glucose, lactate and urea that can tell a lot about the state of human health. Until now, diabetics had to regularly prick their finger for blood tests - a painful and uncomfortable procedure. Existing touch devices also have a number of disadvantages, including high cost and discomfort during long-term use.
Innovative micro laser technology
A team of researchers led by Associate Professor Chen Yu-Chen from NTU's School of Electrical and Electronic Engineering has developed a unique device . They integrated microlaser technology into a soft hydrogel film, creating a flexible and compact patch-shaped sensor. This device is capable of quickly and accurately detecting biomarker levels in sweat, providing continuous health monitoring without invasive procedures.
Benefits of the new device
The innovative patch, developed as part of the NTU 2025 strategy, uses miniature lasers in liquid crystal droplets to detect specific health markers. Multi-colored dots on the patch display the levels of glucose, lactate and urea, allowing you to simultaneously monitor all these substances.
Impressive measurement accuracy
In experiments, the patch demonstrated exceptional sensitivity, detecting minimal changes in biomarker levels down to 0.001 mm, which 100 times superior to existing technologies. This high accuracy enables detailed biomarker monitoring and provides a complete picture of the user's health, covering both low and high levels of indicators.
Application Prospects
Ni Ningyuan, lead author of the study, notes: “Our device can detect both high and low biomarker levels. This is especially important for patients with diabetes, as existing health monitors primarily focus on tracking high glucose levels, ignoring abnormally low levels that may also indicate health problems."
The research team plans to expand the device's capabilities to detect additional substances, such as drugs and other chemical compounds present in sweat. A detailed description of the study was published in the journal Analytical Chemistry.
Glossary
- NTU Singapore - Nanyang Technological University in Singapore, a leading research university.
- Biomarkers are measurable indicators of health or disease.
- Hydrogel is a soft, elastic material with a high water content.
- Microlaser technology - the use of miniature lasers for diagnostic purposes.
- Analytical Chemistry is a scientific journal publishing research in the field of analytical chemistry.
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An innovative laser patch developed by scientists in Singapore allows non-invasive monitoring of health indicators through sweat, opening up new options for patients with diabetes.
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