Several studies in the recent years have focused on the health hazards of chemicals and pesticides used by farmers to protect their crops and improve their yields. Among the cocktail of poison, a controversial herbicide paraquat dichloride, marketed as Gramoxone, is infamous for its link to accidental poisoning and suicides. Now, researchers have developed a new sensor using nanotechnology that not only detects paraquat, but also estimates its amount. This innovation can help save many innocent lives that grow our food.
The study from IISc found a previously unidentified yeast-like symbiont inside the lac insect Kerria lacca, which gives the insect its distinctive red colour and, may also provide other nutrients in return for shelter.