Scientists in Brazil have produced a plant-wearable sensor that detects the
presence of pesticides on fruits and vegetables. This innovation may help
address food safety and sustainability issues in agriculture.



Pesticides are typically used on crops to eliminate pests and increase crop
yields. However, only 50% of pesticides reach their target. The remaining
amount may contaminate the soil, water, and food products.



To help with this issue, researchers from the University of S?o Paulo and
the Federal University of Viscosa created a biodegradable sensor for
pesticide detection. The device is made of cellulose acetate derived from
wood pulp. Unlike other sensors, the new invention can be placed on the
surface of a fruit or vegetable to analyze its pesticide content. Besides
being sustainable and plant-wearable, the sensor is also affordable, highly
selective, convenient, and easy to use.



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