Paper tests work in the same way as pregnancy tests: a strip of paper is soaked in a sample of the liquid, and
New research shows that inexpensivenanodiamonds can be used to determine, for example, the presence of the HIV marker. The sensitivity of such a test will be many thousands of times higher than the sensitivity of gold nanoparticles, which are usually used in these tests.
This will allow detection of viral loads overlow level, which means that the test can detect the disease at an earlier stage: this is critical for reducing the risk of transmission of the disease and its effective treatment.
The research team is working to ensure thatadapt new technology for testing for COVID-19 in the coming months. The next key step will be to develop a portable device that can “read” the results. Now this can only be done with a microscope.
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