Korean scientists invented a small sensor to monitor food contamination. They invented a small biochip sensor that can quickly and accurately detect food and environmental pollution. According to Yonhap News Agency, the biochip sensor developed by the Korea Institute of Life Science and Biotechnology led by Zheng Fengxuan uses surface plasmon resonance technology, that is, by receiving the laser resonance signal reflected from the surface of the scanned object to identify the structure at the molecular level, thus Check whether the DNA and protein of the test object are contaminated. Zheng Fengxuan said that compared with the bulky testing equipment that can only be used in the laboratory, this new device that can be lifted by one hand can be used for "instant inspection", which greatly improves the detection efficiency. After being modified, this biochip sensor can also be used for the detection of medicines and water supply systems, and can even be used in the military field. It is reported that the Korea Institute of Life Sciences and Biotechnology has applied for intellectual property protection for the main components of this biochip sensor.
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