A team of researchers at Cochin University of Science and Technology (Cusat) has developed an innovative miniature breath sensor that can detect signs of diabetes from a single exhalation. This battery-free device offers a simple and non-invasive alternative to conventional blood-based testing methods.
How the Sensor Works
The device, named ‘Miniaturised Triboelectric Breath Acetone Sensor', measures acetone levels in human breath. Elevated acetone levels are commonly found in individuals with diabetes. The sensor can also identify the risk of ketoacidosis and track calorie burn in athletes.
Designed to operate without any external power source, the sensor generates its own electricity from the force of breathing. It is constructed using a nylon film and a copper sheet, making it low-cost and easy to manufacture. The device provides quick results at room temperature, eliminating the need for finger-prick blood tests.
Research Team and Potential Impact
The research was led by Honey John from the Department of Polymer Science and Rubber Technology, who also serves as the director of the Inter University Centre for Nanomaterials and Devices. The team included research scholar Dhanu Treasa Mathew, postdoctoral fellow Anshida Mayeen, and N Manoj from the Department of Applied Chemistry and controller of examinations.
Researchers believe this innovation could play a key role in affordable diabetes screening, particularly in rural areas where access to conventional testing may be limited. Additionally, the sensor has potential applications in fitness monitoring for athletes.
