Sentence examples for shift of hydrogen from inspiring English sources

The chemical shift of hydrogen atoms is the most important piece of information provided by NMR spectroscopy, because it reveals a great deal about the nature of the bonds around the hydrogen.

The chemical shift of hydrogen atom of the corresponding carbon atoms exhibited significant differences (Table  1).

Hypokalemia stimulates intracellular shift of hydrogen, in the kidney hypokalemia stimulates the luminally expressed V-type H+-ATPase of type A intercalated cells in the connecting tubules [ 9].

gCOSY analysis allowed for the determination of the chemical shifts of hydrogens along the vancomycin molecule starting from the known methyl hydrogen shift at 0.9 ppm.

The presence of the boronic acid moiety in the parent boronic acids was indicated in their H NMR spectra by the absence of a methylene hydrogen resonance in the spectrum and the characteristic upfield shift of the hydrogen α to the boryl group.

The time current curve at the hydrogen oxidation potential obtained with double-potential step increased with a shift of the hydrogen evolution potential to the cathodic potential.

It was also accompanied by a change in NMR shift of physisorbed hydrogen peak in the same direction.

This change in NMR shift of physisorbed hydrogen was explained on the basis of increase in density of d-electronic states at Fermi level with an increase in the absorbed hydrogen.

For comparison with experiment, the chemical shift of each hydrogen was averaged among the 20 minimized structures for each construct.

Plotting of the change in shift of these hydrogen atoms against substrate concentration gave plots that fitted well to a 1 1 binding model in most instances and yielded the binding constants Ka listed in Table  1.

However the less thermodynamically stable conformer czc does undergo a 1 7 antarafacial sigma shift of a hydrogen from C-19 to C-9 causing rearrangement of the double bonds to form vitamin D3.