Dr Yingfu Li, professor at McMaster University, and his team created a test for E. coli based on the Litmus test for pH. The test is a colorimetric sensor where existing Litmus dyes and pH papers ...
Scientists in Uganda have devised a tool to test for vaginal infections that is so simple, even a child could—and did—make one. In 2000, scientists at the Rakai Health Sciences Program in Kalisizo ...
Researchers have invented a technique that uses inexpensive paper to make "microfluidic" devices for rapid medical diagnostics and chemical analysis. The innovation represents a way to enhance ...
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