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Biosensor paper strip test for safe drinking water
Engineers at the University of Michigan have developed a strip of paper infused with carbon nanotubes that can quickly and inexpensively detect a toxin produced by algae in drinking water. The paper strips perform 28 times faster than the complicated method most commonly used today to detect microcystin-LR, a chemical compound produced by the blue-green [...]
Inexpensive ‘Dipstick’ Test For Pesticides In Foods
Image by summerrunner2009 via Flickr
Scientists in Canada are reporting the development of a fast, inexpensive “dipstick” test to identify small amounts of pesticides that may exist in foods and beverages. Their paper-strip test is more practical than conventional pesticide tests, producing results in minutes rather than hours by means of an easy-to-read color-change, they say.
The [...]
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