Self-powered herbicide biosensor
Here, the team has used thylakoid membranes, which are found in cyanobacteria and the chloroplasts of plants, and contain the redox complexes that are responsible for the light-dependent reactions of photosynthesis. The sensor contains bio-solar cell incorporating thylakoid membranes at the bioanode for direct photoelectrocatalysis with an air-breathing platinum cathode. The bio-solar cell produces power in the sunlight and the photosystem is interrupted in the presence of herbicides, causing a decrease in current. The team detected several commercial herbicides with the sensor.
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