Now, Rs 12 device to detect malaria
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Scientists, including one of Indian origin, have developed a 20 cent cardboard centrifuge that can help spot malarial parasites in the blood. Researchers built a mathematical model of how a centrifuge worked. A centrifuge is a medical tool used to separate liquids such as blood being used.

The team created a computer simulation to capture design variables such as disc size, string elasticity and pulling force. They borrowed equations from the physics of super-coiling DNA strands, and eventually created a prototype that spun at up to 125,000 revolutions per minute. Researchers then used the device to spin blood in a capillary coated with orange dye for 15 minutes.

This separated malarial parasites from red blood cells, enabling them to be spotted under a microscope.

http://www.deccanchronicle.com/technology/gadgets/250417/new-20-cent-device-to-help-detect-malaria.html
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