New insights: how potassium and sodium are conducted through ion channels
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NMR spectroscopy enables us to look into the very heart of matter, creating close-ups in atomic resolution. In a powerful magnetic field, some atomic nuclei contained in the samples are turned into small magnets themselves and become aligned in accordance with the outer field. Depending on the chemical environment, they then absorb the energy of radio waves, from which it is possible to determine the structure of biological molecules, using complicated methods of calculation.