'Pulse ft nmr experiment' diaporamas de présentation

Biomolecular Nuclear Magnetic Resonance Spectroscopy

01/23/04. Biomolecular Nuclear Magnetic Resonance Spectroscopy. RESONANCE ASSIGNMENT IN PROTEINS Multi-dimensional NMR experiments NMR analysis of proteins. Proteins Have Too Many Signals! 1 H NMR Spectrum of Ubiquitin. ~500 resonances. Resolve resonances by multi-dimensional experiments.

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Nuclei With Spin Align in Magnetic Fields

Efficiency factor- nucleus. H o. Alignment. Energy. parallel. D E = h g H o. Constants. Strength of magnet. anti-parallel. Nuclei With Spin Align in Magnetic Fields. Resonance: energy match causes transitions. p. 1. equilibrium. D E. Efficiency factor- nucleus. H o. ap. H 1.

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The Pulse FT NMR Experiment

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Resonance condition

Resonance condition. Pulse. A coil of wire placed around the X axis will provide a magnetic field along the X axis when a direct current is passed through the coil. An alternating current will produce a magnetic field which alternates in direction.

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Pulse Fourier Transform NMR

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