'Chemical shifts' diaporamas de présentation

CH162 Kinetics

CH162 Kinetics. 5 lectures VGS. Experimental methods in kinetics Reactions in liquid solution Photochemistry Femtochemistry. Gas-phase vs. Liquid phase. Solvent. Isolated molecules. Solute. Intramolecular processes. Intra/intermolecular processes Solute-solvent interactions.

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Introduction to biological NMR

Introduction to biological NMR. Dominique Marion Institut de Biologie Structurale Grenoble France. Presentation outline. ? Structural investigation by NMR. ? NMR spectral parameters. ? The NMR spectrometer. ? Two dimensional NMR. ? Protein HSQC. ? NMR resonance assignment.

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NMR Spectroscopy

NMR Spectroscopy. Part II. Signals of NMR. Free Induction Decay (FID). FID represents the time-domain response of the spin system following application of an radio-frequency pulse.

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N uclear M agnetic R esonance Spectroscopy

N uclear M agnetic R esonance Spectroscopy. The nuclei of interest are primarily hydrogen and carbon 1 H NMR also called PMR 13 C NMR also called CMR. Spinning proton resembles a tiny magnet. Protons in a magnetic field. Field Strength determines energy difference between spin states.

1.31k views • 41 slides

Lecture Modern Hydrogen Bonding Theory By Gastone Gilli Department of Chemistry and Centre for Structural Diffractomet

23rd E uropean C rystallographic M eeting. 6-11 August 2006 Leuven, Belgium. Lecture Modern Hydrogen Bonding Theory By Gastone Gilli Department of Chemistry and Centre for Structural Diffractometry, University of Ferrara, Italy. The Tale of the Princess of the Hydrogen Bond Theory

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NMR N uclear M agnetic R esonance

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466 views • 32 slides

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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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1 st -order spin-spin coupling

1 st -order spin-spin coupling. We observe 1 st -order NMR spectra when the frequency difference between the chemical shifts of any given pair of nuclei is much larger than the value of the coupling constant between them Dn / J > 10

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How many absorptions appear in the 13 C NMR of this compound?

How many absorptions appear in the 13 C NMR of this compound?. How many absorptions appear in the 1 H NMR for it?. How many absorptions appear in the 13 C NMR of this compound?. How many absorptions appear in the 1 H NMR for it?.

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Spectroscopy and analytical chemistry

Spectroscopy and analytical chemistry.

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Temperature dependent stability study concerning the PDZ domain of TIAM 1 Wild Type Protein

Temperature dependent stability study concerning the PDZ domain of TIAM 1 Wild Type Protein. Allison McClain Dr. David Speckhard. T-cell lymphoma invasion and metastasis-inducing protein (TIAM) 1. TIAM is a protein complex that is found in almost all types of tissues

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Synthesis of Oil of Wintergreen

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Synthesis and Analysis of Aspirin

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Che 440/540 2D-NMR

Che 440/540 2D-NMR. http://www.ch.ic.ac.uk/ectoc/echet96/papers/107/index.htm. Prototype Pulse Sequence for a 2D-NMR Experiment. 90 o pulse. 90 o pulse. Acquire ( t 2 seconds). ? t 1 (microseconds). Relaxation delay. Origin of the Second Dimension. Stacked plot of 22

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Chiral Recognition by NMR Spectroscopy- A Theoretical approach.

crowmether-host1.ppt. Chiral Recognition by NMR Spectroscopy- A Theoretical approach. Illustrating modeling strategies with organic molecules with overtones for Modeling of Bio-molecules An Abstract S.Aravamudhan This material may be available as Internet Resource:

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1 H NMR Tutorial

1 H NMR Tutorial. Given: Spectrum and Formula. Step 1: Calculate p + r. Step 2: Formulate Partial Structures for Each Signal. Step 3: Join Partial Structures That Have Neighbors. Step 4: Determine the remaining partial structures. Step 5: Combine Partial Structures by Chemical Shifts.

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1 H Chemical Shifts in Organic Compounds

1 H Chemical Shifts in Organic Compounds. ppm (TMS) 12 11 10 9 8 7 6 5 4 3 2 1 0 .

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Introduction

COMPOSITIONS, ASPECTS OF STRUCTURES, and CLAY ASSOCIATIONS of SOIL HUMIC COMPONENTS. Michael H.B. Hayes 1 , Andre J. Simpson 2 , Guixue Song 1 , C. Edward Clapp 3 , and J. Burdon 4. 1 Chemical and Environmental Sciences, Univerrsity of Limerick, Ireland;

152 views • 1 slides