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IIT Madras Researchers develop a device to detect milk adulteration

IIT Madras Researchers develop a device to detect milk adulteration: Indian Institute of Technology Madras (IIT Madras) Researchers have developed a three-dimensional (3D) paper-based portable device.

This device can detect adulteration in milk within 30 seconds. The test could be even performed at home. It can detect multiple substances commonly used as adulterating agents including Urea, detergents, soap, starch, hydrogen peroxide, sodium-hydrogen-carbonate, and salt, among others.

March 2023 Current Affairs Quiz

IIT Madras: Pocket-friendly device to detect adulteration in milk:

  • Dr. Pallab Sinha Mahapatra, an Associate Professor in the Department of Mechanical Engineering at IIT Madras, along with Research Scholars Mr. Subhashis Patari and Dr. Priyankan Datta, led this research.
  • The 3D paper-based microfluidic device comprises a middle layer with a sandwich structure, a top cover, and a bottom cover.
  • This 3D design facilitates the consistent transportation of denser liquids at a steady pace.
  • To prepare the device, the paper is treated with reagents and allowed to dry.
  • Once dry, both paper layers are attached to both sides of the support, and the covers are then affixed using double-sided tape.
  • The design employs Whatman filter paper grade 4, which enables the flow of liquid and can store more reagents.

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