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 ...

Litmus paper, long known as a low-tech method of testing substances for acidity, might have a new use as a cheap, quick way to test for E. coli, according to researchers at McMaster University in ...

An international team of researchers based at McMaster has figured out a way to adapt the good old litmus test so it can detect bacteria such as E. coli. The team, which is connected through the ...