Release date: 2016-11-11
Magnetic resonance imaging is to place the human body in a special magnetic field, and use radio frequency pulses to excite hydrogen nuclei in the human body, causing the hydrogen nuclei to resonate and absorb energy. This is a very important diagnostic tool in the medical field because of its excellent spatial resolution and the ability to distinguish individual features in an image. The gamma ray detector is highly sensitive and can be used to detect trace radiotracers. These tracers are capable of locating specific targets, so this image can be used to diagnose the distribution and number of cancer cells as well as brain and cardiovascular malformations. These two technologies have always had their own advantages, but the advantages of both sides are difficult to achieve.
This time, researchers at the University of Virginia, Gordon Gates, Wilson Miller, and their team members invented a new imaging technology that uses magnetic resonance to collect spatial information and then use gamma rays to collect image information. The researchers demonstrated the feasibility of the technique by performing radioactive atomic imaging in a glass cell. Traditional magnetic resonance imaging methods require billions or more of atoms to generate images.
At this stage, it takes about 60 hours to obtain data for the sample image using this technique, which is not ideal for clinical applications. However, the authors suggest that although the technical means still need to be improved in some respects, such as processing speed, increasing the size of the detector or the number of radioactive tracers may help to overcome these problems.
In the news and opinion articles accompanying the paper, scientists at the University of Nottingham in the United Kingdom believe that this technology will contribute to the study of biological and non-biological systems.
Source: Instrument Information Network
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