In just 30 seconds, a cost-effective and portable 3D paper-based device developed by researchers at IIT Madras can detect milk adulteration. This device is unlike traditional laboratory-based methods and can be used at home with just one millilitre of the liquid sample needed for testing. The device is capable of identifying various commonly used adulterating agents, including but not limited to detergents, soap, hydrogen peroxide, urea, starch, salt, and sodium-hydrogen-carbonate.
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