The University of Toronto have discovered a method to turn steel antibacterial.
In all the stainless steel surfaces there are some scratches in which the microscopic bacteria stay in. Using a surprisingly simple substance -oil cooking-, the reaserchers discover that they are able to keep disease-causing bacteria from settling on them and forming into bioflims.
They found that when such surfaces were chemically-treated with alkylphosphonic acid and then coated with a layer of food-grade oil, that oil filled in all the tiny nooks and crannies, making it very difficult for bacteria to access them.
The result was a 1,000x reduction in Pseudomonas aeruginosa bacterial levels within those device. While the disinfectants are used to kill bacteria, cooking oil is no toxic for humans, plus bacteria can’t build up tolerance to it.
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