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Revision as of 08:25, 10 October 2019
According to the study, 65% of the samples in rivers in 72 countries/regions were found to contain antibiotics. Ciprofloxacin most often exceeded safe levels and exceeded the safety threshold in 51 locations.
There are currently 663 cities in China, and only Shanghai has implemented garbage sorting. In Shanghai, expired drugs are classified as hazardous waste, and there are many ways of pollution in the process of hazardous waste disposal. These routes are difficult to solve and the cost is high.
In cities where garbage is not classified, expired drugs are mixed into domestic waste and disposed of by landfill.
In our project, we used ciprofloxacin as an example to design an engineered E. coli system that degraded it. It can be incorporated into our expired drug recycling bins, degrading it into environmentally friendly substances, and we carried out the city. Designed to provide an expired drug solution.