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IIT student invents sensor to detect milk spoilage
Posted on: 08/Jul/2013 11:38:08 AM
Anshika Agarwal, a research scholar of the Department of Biotechnology at IIT M (Indian Institute of Technology Madras), has come up with a device that will detect if milk is spoilt. The research for this was inspired by the Supreme Court’s concern about bad milk being sold in the market.
‘(I) started to work a year ago to solve the problem as part of (my) Ph. D. research. Milk often gets spoilt before the expiry date printed on the sachet. Keeping this in mind, I developed a sensor which is sensitive enough to detect milk spoilage at an early stage…The membrane (sensor) would be printed on the external wall connected by a small piece of sensor, which would sense the quality of milk and change the membrane’s colour in the sachet. My sensor is cost-effective and easy to incorporate in packaging system. Prof T.S. Chandra of the Biotechnology department and Prof T.S. Natarajan from the Physics department have helped me a lot in developing this membrane’, said Ms. Agarwal.
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