Abstract Diamond is not only the hardest substance in nature, but also emits the most fascinating light. It is precisely because of these two characteristics that EU scientists believe that nano-diamonds can shine in the medical field. In the EU 7th R&D Framework Program (FP7) and Horizon 20...
Diamond is not only the hardest substance in nature, but also the most fascinating light. It is precisely because of these two characteristics that EU scientists believe that nano-diamonds can shine in the medical field. Under the EU's 7th R&D Framework Programme (FP7) and Horizon 2020, the NeuroCare and NDI projects, which are co-ordinated by France and Germany, respectively, use nanodiamonds as a new medium for interaction with the human body, and are expected to be implanted and magnetic in artificial retina. An important breakthrough has been made in the field of resonance imaging (MRI). Among them, the NeuroCare project mainly uses the surface of nano-diamond or graphene to be dense, and there is no substance that can diffuse through its surface, and it is used as a medium material between the implant and the human nerve tissue, on the one hand, reducing the medium itself and the nerve tissue. The inter-reaction, on the other hand, also brings them closer to the neuronal cells, allowing them to establish higher quality, longer-lasting electronic interfaces between each other. Currently, metal materials (such as platinum) are commonly used for brain interface experiments. However, when metal materials are in the human body for a long time, the surface thereof is likely to be degraded, which in turn causes a change in the properties of electron exchange. Therefore, stability is the biggest advantage of the project's nano-diamond technology. The research team at the project is currently seeking funding from a US company for a formal trial and is applying for legal licenses for commercial products (approximately five years). In the MRI field, the European Research Council (ERC)-supported NDI project uses the unique optical properties of nanodiamonds to give standard MRI scanners the ability to scale on a single cell scale. MRI scanners are imaged by picking up the atomic spin state, but typically the pick-up rate is only one in 100,000. In order to improve efficiency, the spin must be in extremely low temperature conditions, however, this is unbearable for the human body. In diamond, atomic spins can be controlled by light and can reach extremely low temperatures by laser irradiation for several days. The NDI project utilizes this feature of nanodiamonds to achieve very low temperature spin without the need to cool the human body. The next step in the project's research and development is to continue to improve resolution while making it a user-friendly technology at an early stage for application in medical laboratory real-world scenarios.
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