Parallel magnetic resonance method based on dynamical nuclear polarization multinuclear simultaneous enhancement
A technology of dynamic nuclear polarization and nuclear magnetic resonance, which is used in the analysis of double resonance, etc., can solve the problems of low sample temperature, difficult to meet the requirements of biological samples, and long sample relaxation time.
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[0025] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0026] A parallel magnetic resonance method based on dynamic nuclear polarization multi-nuclear sensitivity enhancement, mainly comprising the following steps:
[0027] Step 1, the electron-nuclear spin system composed of electrons and nuclei whose nuclear spin is not 0, when the electron-nuclear spin system is at a strength of B 0 In a magnetic field, the electron-nuclear spin system will produce energy level splitting (such as figure 1 Shown is the distribution diagram of a typical four-energy level system split into an electron-nuclear spin system composed of an electron and a nucleus with a nuclear spin of 1 / 2, and the four energy levels are 1, 2, 3, 4, respectively). Due to relaxation between these energy levels, the number of particles will change, but eventually these energy levels will be in thermal equilibrium, that is, the...
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