## Physical Principles and Techniques of Protein Chemistry, Part 3 |

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Page 254

According to the quantum theory , nuclei having I equal to 1/2 and

moment M , when placed in an external

direction , distribute themselves between two energy levels corresponding to the

z ...

According to the quantum theory , nuclei having I equal to 1/2 and

**magnetic**moment M , when placed in an external

**magnetic**field H , applied in the + zdirection , distribute themselves between two energy levels corresponding to the

z ...

Page 262

When T , is long and the

method of measuring T , may lead to an ... This motion in an inhomogeneous

precessing ...

When T , is long and the

**magnet**homogeneity is poor , the 90 ° -t - 180 ° pulsemethod of measuring T , may lead to an ... This motion in an inhomogeneous

**magnetic**field produces corresponding changes in the frequency of theprecessing ...

Page 268

The major single item is a

a field of several thousand gauss ( the higher the field , the greater the NMR ...

Likewise the

.

The major single item is a

**magnet**system which should be capable of producinga field of several thousand gauss ( the higher the field , the greater the NMR ...

Likewise the

**magnetic**field must be stable in time to the same order of magnitude.

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addition amount angle appears applied approximately band becomes calculated Chem coefficient compared complex concentration conformation constant containing contribution corresponding creatine density dependence derived described determined diffusible components dilute discussed effect electron enzyme equation equilibrium estimate et al example experimental experiments expression factor field function given gives grams gyration increase intensity interaction known length magnetic mass measurements medium membrane method mole molecular weight molecule negative observed obtained optical activity osmotic pressure parameter partial plot positive possible pressure procedure protein solution pulse quantity radius range ratio reference region relative residues respectively rotational strength sample scattering curve shape shown side similar solvent specific volume spectra spectrum sphere standard structure studies Table techniques temperature theoretical theory tion transition usually various vary wavelength weight X-ray zero