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Magnetic Resonance Methods in Biophysics

Class at Faculty of Mathematics and Physics |
NBCM112

Syllabus

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1. Introduction. Principle of magnetic resonance, basic characteristics. Theory of linear response. Electromagnetic moments of electron, of electron system and nucleus. Gyromagnetic particle in static and radiofrequency magnetic field. Paramagnetism of weak interacting particles. Spin-lattice and spin-spin relaxations. *

2. Phenomenological description Bloch equations. Steady state and pulse solutions. Linewidth, inhomogeneous line broadening. Free induction decay, spin echo. Measurement of relaxation rates. *

3. Experimental technique. Basic concept, excitation and detection of signal, data treatment, improvement of signal/noise ratio. Microvawe spectrometer, pulse spectrometer NMR. *

4. NMR imaging. *

5. NMR in condensed matter. Dipol-dipol interaction, time averaging of interaction in liquids. Solution for solid state, simple configurations of spins, method of moments. Methods of high resolution in solids. *

6. Magnetic interaction of electrons and nuclei. Concept of spin Hamiltonian. Hyperfine interaction. Diamagnetic and paramagnetic shielding - chemical shift, indirect spin-spin coupling, consequences in spectra of solids and liquids. *

7. NMR spectra of high resolution in liquids. Spectral analysis. Approximation of equivalent nuclei, spectra of AkXl type. Decoupling, polarisation transfer, nuclear Overhauser effect. Study of dynamical processes. Influence of paramagnetic atoms. *

8. 2D NMR spectroscopy. Basic ideas. Resolved and correlated spectra. *

9. Quadrupolar interaction. Effect of quadrupolar interaction in NMR spectra of solids and liquids. *

10. Electron paramagnetic (spin) resonance (EPR, ESR). Spectra EPR (ESR). Spin hamiltonian. Hyperfine structure of spectra. Spectra of free radicals in solutions.

Annotation

Methods of magnetic resonance. Phenomenological description.

Magnetic interaction of nuclei and electrons, quadrupolar interaction.

High resolution NMR spectroscopy.