10 янв. 2024 г. · The Larmor or precessional frequency in MRI refers to the rate of precession of the magnetic moment of the proton around the external magnetic field.

The Larmor frequency is crucial because it determines the resonance frequency of the hydrogen nuclei (protons) in the human body when subjected to a magnetic ...

In the NMR experiment, the frequency of the photon is in the radio frequency (RF) range. In NMR spectroscopy, ν is between 60 and 1000 MHz for hydrogen nuclei.

The resonance frequency of any particle at a certain field strength can easily be calculated using this table and the Larmor equation.

The Larmor frequency is important in NMR spectroscopy. The gyromagnetic ratios, which give the Larmor frequencies at a given magnetic field strength, have been ...

For protons (hydrogen nuclei), the Larmor frequency is 42.58 MHz/Tesla. See also Larmor Equation.

Due to the different frequencies of 1 H, 31 P, and 13 C, they each require dedicated RF coils that are tuned to their respective frequencies (see Table 1). ...

At X-band the proton Larmor frequency is about 14 MHz, which is comparable to the magnitude of many nuclear hyperfine couplings. This frequently results in ...

NMR Frequency Tables. NMR Frequencies vs. Bruker Field Strengths – sorted with decreasing Larmor frequency. 3. H. 1/2. –. 1.21E+00. 320.131. 426.795. 533.459.