Surgical removal of tumor tissue is an important treatment for cancer, but how to accurately find cancerous tissue is not an easy task. US researchers published a research report in the latest issue of OpTIca, saying that they can help doctors by mimicking the butterfly vision system, allowing them to clearly see fluorescent markers under bright surgical illumination. Tumor tissue.
In current tumor resection procedures, surgeons need to find tumor tissue through specialized infrared imaging instruments. These instruments are not only expensive, but also have high requirements for light and temperature in the operating room. In order to develop a more suitable surgical imaging device, researchers at the University of Illinois at Urbana-Champaign and St. Louis University in Washington aimed at the butterfly and hoped to find inspiration from its visual system.
The butterfly's eyes contain special nanostructures that sense multispectral information and provide near-infrared and color information. Using a similar setup, the researchers combined various nanoscale structures with a range of optoelectronic devices to create a new camera. The camera can simultaneously record conventional color images and near-infrared signals. It is not only small in size, low in cost, but also insensitive to temperature changes and has low illumination requirements. Combining the camera with surgical goggles protects the doctor's eye while clearly seeing the tumor tissue labeled with the infrared fluorescer.
The researchers tested in mice and breast cancer patients. The results show that the camera can not only find breast cancer tumors, but even pick up signals below the surface of the tissue, allowing doctors to find the tumor site through the skin.
Researchers say that the cost of a new camera-mounted goggles is about $200, far less than the current tens of thousands of dollars of infrared imaging equipment, and there is a lot of room for application in medical imaging. Currently, they are working hard to integrate new cameras with endoscopic camera systems to expand their range of medical applications.
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The creativity of human beings from the "plagiarism" of nature is endless. We call it bionics. The flight of birds allowed humans to sprout their desires for flying, and this was the attempt to fly forward and succeeded, and gave birth to gliders and planes. Bats use ultrasonic to identify objects and directions, inspiring scientists to develop sonar and radar that detect objects in the dark. The human imitation of the Nautilus diving method gave birth to the world's first dish-type submersible "Dennis". Nowadays, the artificial intelligence that is in full swing is derived from the imitation of human beings. However, this bionic life is still a long way to go, and it needs to continue to search for it.
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