Recently, scientists have developed an inexpensive and efficient nanosensor that can quickly detect the presence of pesticides in food and water. The nanosensor is made of a graphene nanoribbon and a gold nanoparticle, which can detect the presence of pesticides with a high degree of accuracy. The nanosensor works by detecting the interaction between the pesticide molecules and the graphene nanoribbon. The graphene nanoribbon is able to detect even small amounts of pesticides, so it can be used to quickly and accurately detect the presence of pesticides in food and water. The nanosensor is also inexpensive and easy to use, making it a great tool for detecting the presence of pesticides in food and water.

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source: Phys.org