From the object disguise to the detection of air toxins, carbon nanotube technology has been widely used, and now a MIT research team is trying to make this technology closer to everyone's daily life - for fruit preservation.
Timothy Swager, a professor of chemistry at MIT, and his team developed a new type of sensor using modified carbon nanotubes. This sensor, which costs only US$0.25, can detect a kind of fruit released during ripening. Chemical composition - ethylene, the carbon nanotube sensor is placed in a shipping container filled with fruits and vegetables. By detecting the ethylene concentration in the shipping container, the worker clearly knows the maturity of the fruits and vegetables in the container.
The researchers said that the final design product will also contain an RFID chip, which can be transmitted to certain handheld devices by wireless means through the relevant data on the state of fruit ripening in the chip sensor. With the addition of such a chip, the cost of the sensor is only increased by 0.75 US dollars.
Professor Swager said that if this new sensor is successfully developed and entered into the market in batches, it will help the fruit and vegetable store to more accurately understand the status of the goods, adjust marketing methods in time and reduce losses, and it is expected that it can reduce losses for businesses by about 30%.
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