Researchers at the Massachusetts Institute of Technology (MIT) have developed a paper strip test for diagnosing deadly Ebola.
Besides Ebola diagnosis, this paper strip can also diagnose other diseases such as yellow fever and dengue within 10 minutes.
The test strip employs a lateral flow technology that is used in pregnancy test kits. These paper strips are colour coded which allow them to be employed in the diagnosis of many diseases. It uses three-sided silver nanoparticles that assume varied colours on the basis of their size. The researchers produced green, red and orange nanoparticles and then linked them to antibodies that detect yellow fever, dengue and Ebola.
The blood serum of the patient is allowed to pass through the paper strip and any viral proteins matching the antibodies that are painted on the strips will be caught. As a result, those nanoparticles will become noticeable that can be seen by the naked eye. This entire procedure simply takes 10 minutes to diagnose diseases such as deadly Ebola.
This new device has been described in the journal Lab on a Chip.
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