Diagnostics for All
Postage stamp-sized paper could be a key to diagnosing some of the world's troubling illnesses—all for less than a penny.
Diagnostics for All, a Boston-based non-profit organization created
by biotechnology executive Una Ryan and funded by the Bill and Melinda
Gates Foundation, has developed a blood test using specially treated
paper that channels a single drop of blood or urine and in minutes will
change color if a problem is found.
Its first target is African AIDS patients with tuberculosis who often
die of liver failure because of the highly potent drugs they take. This
liver function test, which detects toxicity in blood, will cost 0.10
cents or less and work without external power or equipment, the group
says.
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