Nuclear magnetic resonance (NMR) is a physical process in which the nuclear magnetic moment is not zero, Zeeman splitting occurs in the spin level under the action of an external magnetic field, and the resonance absorbs a certain frequency of radio-frequency radiation. At present, NMR is mainly used to determine the basic chemical structure, spatial structure and configuration of organic, inorganic, macromolecule, natural medicine, small molecule protein and so on, and to analyze and identify the composition of the mixture. The molecular vibrational/rotational spectra, vibrational frequencies and molecular structures of chemical reaction dynamics were studied. In addition, magnetic resonance imaging (MRI) has become a common imaging method.

Avance III 400 MHz NMR

Avance III 400MHz NMR from Bruker belongs to the All-digital Fourier transform superconducting NMR spectrometer and is equipped with TCI three resonance trans ultra-low temperature probes, which can carry out routine tests of 1H, 13C, 1H-1H NOESY, 1H-1H TOCSY, 1H-13C HSQC, HMBC, etc. and can be carried out 15N-1H Three-dimensional spectral test of HSQC and protein structure.

Avance III 600 MHz NMR