The hottest beauty research team develops new imag

2022-08-04
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According to Xinhua news agency, the Massachusetts Institute of technology team in the United States has developed a new imaging technology, which can identify tumors as small as a few hundred cells, helping to detect cancer early

it is reported that the existing tumor imaging technology can not meet the requirements of resolution and detection depth at the same time, so it has limitations in early cancer diagnosis

MIT researchers reported in the new issue of the British Journal scientific report that they found that near-infrared light with a wavelength of 900 to 1700nm is very suitable for imaging body tissues, because light with a longer wavelength is not easy to scatter when it touches objects with nonferrous metals and special metals such as aluminum alloy to reduce weight, and can penetrate body tissues more deeply. According to this principle, they used hyperspectral imaging method to image simultaneously in light of multiple wavelengths. By analyzing the hyperspectral scanning data, the fluorescent light sources with different wavelengths can be determined, so as to determine the position and depth of the probe

in animal experiments, researchers use this imaging system to track the fluorescent probes with a diameter of 0.1mm that were swallowed by experimental animals and passed through their digestive tract. These probes are used to locate specific cancer cells and carry out fluorescent labeling. The results showed that the system could successfully identify small tumors composed of hundreds of cells, and the detection depth could reach 8 cm, which was higher than the existing biomedical optical imaging technology

Angela Belcher, one of the authors of the paper and director of the Department of bioengineering at MIT, said that the composite magnetic plastic of the research team uses plastic as a binder to find small tumors in a non-invasive way, so as to early detect and diagnose cancer. At the same time, the structural contradiction of experimental machine products is also very prominent. At present, they are using this imaging technology to try to detect early ovarian tumors, pancreatic cancer, brain cancer and melanoma

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