date:Jun 10, 2019
etect spoilage gases like ammonia and trimethylamine in meat and fish products.
The sensor data can be read by smartphones, so that people can hold their phone up to the packaging to see whether the food is safe to eat.
Dr Firat Gders team at Imperials Department of Bioengineering, made the sensors by printing carbon electrodes onto readily available cellulose paper.
The materials are biodegradable and nontoxic, so they dont harm the environment and are safe to use in food packaging.
The sen