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A new way to diagnose malaria
Date:8/31/2014

ilt at a very low cost, relative to the million-dollar MRI machines used in a hospital," Peng says. "Furthermore, since this technique does not rely on expensive labeling with chemical reagents, we are able to get each diagnostic test done at a cost of less than 10 cents."

Tracking infection

Hemozoin crystals are produced in all four stages of malaria infection, including the earliest stages, and are generated by all known species of the Plasmodium parasite. Also, the amount of hemozoin can reveal how severe the infection is, or whether it is responding to treatment. "There are a lot of scenarios where you want to see the number, rather than a yes or no answer," Han says.

In this paper, the researchers showed that they could detect Plasmodium falciparum, the most dangerous form of the parasite, in blood cells grown in the lab. They also detected the parasite in red blood cells from mice infected with Plasmodium berghei.

The researchers are launching a company to make this technology available at an affordable price. The team is also running field tests in Southeast Asia and is exploring powering the device on solar energy, an important consideration for poor rural areas.


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Contact: Sarah McDonnell
s_mcd@mit.edu
617-253-8923
Massachusetts Institute of Technology
Source:Eurekalert

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