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Electronic Nose to Detect Tuberculosis
The "E-Nose" is a battery-operated, hand-held unit, similar to a police breathalyser used to catch drunk drivers.
A patient blows into the device and sensors pick up TB biomarkers in the breath droplets, resulting in an almost instantaneous and highly accurate diagnosis.
The "E-Nose" is a collaboration between the International Centre for Genetic Engineering and Biotechnology in New Delhi and Next Dimension Technologies in California.
"We hope to have a prototype ready for clinical testing by October 2013," said lead researcher Ranjan Nanda.
TB kills close to 1.7 million people globally every year, and researchers estimate the "E-Nose" could save 400,000 lives a year in developing countries through early diagnosis, treatment and reduced transmission.
TB is currently detected through sputum tests that are costly and take several days.
On Monday, the project was awarded a $950,000 grant by the Bill and Melinda gates Foundation and Grand Challenges Canada, a non-profit organisation working on health issues in the developing world.
"Our research shows it might also be possible to use this technology for the early detection of other diseases like lung cancer and pneumonia," Nanda told AFP.
Each "E-Nose" would cost roughly $20-30 and its size and battery operation would make it accessible to rural communities in countries such as India with poor or non-existent power supplies.
According to the World Health organisation, India leads the world in TB infections which kill close to 1,000 people every day.
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