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3-D Paper Sensor to Test for Malaria, HIV

by Sheela Philomena on March 12, 2012 at 10:42 AM
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 3-D Paper Sensor to Test for Malaria, HIV

A 3-D paper sensor developed by scientists may be able to test for diseases such as malaria and HIV.

Such low-cost, "point-of-care" sensors could be incredibly useful in the developing world, where the resources often don't exist to pay for lab-based tests, and where, even if the money is available, the infrastructure often doesn't exist to transport biological samples to the lab.

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"This is about medicine for everybody," says Richard Crooks, the Robert A. Welch Professor of Chemistry.

One-dimensional paper sensors, such as those used in pregnancy tests, are already common but have limitations. The folded, 3-D sensors, developed by Crooks and doctoral student Hong Liu, can test for more substances in a smaller surface area and provide results for more complex tests.
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"Anybody can fold them up," says Crooks. "You don't need a specialist, so you could easily imagine an NGO with some volunteers folding these things up and passing them out. They're easy to produce as well, so the production could be shifted to the clientele as well. They don't need to be made in the developed world."

Source: Eurekalert
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