Can’t Tell If Your Food Is Still Good? There’s A Patch For That

If you’re anything like me, you’ve spent a ridiculous amount of time with the fridge door open, looking inside and wondering how long those vegetables have been in there, or whether the milk is safe to drink.

Sure, there are best before dates, but those are educated guesses as to when the food is at its peak quality, not an actual indication of whether or not something will send you running to the bathroom.

But soon, you won’t have to do that anymore. Researchers at McMaster University in Hamilton, Ontario have developed a transparent patch you can put on your food to test it for harmful pathogens such as salmonella or E. coli.

The research is still in the early phases, but it has the potential to replace best before dates and completely redefine the future of food safety, according to researchers.

The patch is called Sentinel Wrap, after a McMaster interdisciplinary research network. It can be incorporated into food packaging, and if a pathogen is present, it will send a signal to your smartphone or other device.

Researchers also say it can be used in other applications, such as in medical packaging to ensure sterility, and bandages to test for infection. It is relatively cheap to mass produce, and could easily be incorporated into most packaging.

But the invention still needs an investor and commercial approval to get to market, though. So go invest. Because I need this in my life.

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