Physical Principles and Techniques of Protein Chemistry, Part 3Sydney J. Leach |
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Page 254
... magnetic moment μ , when placed in an external magnetic field H。 ap- plied in the + z direction , distribute themselves between two energy levels corresponding to the z - component of spin I , being quantized par- allel or antiparallel ...
... magnetic moment μ , when placed in an external magnetic field H。 ap- plied in the + z direction , distribute themselves between two energy levels corresponding to the z - component of spin I , being quantized par- allel or antiparallel ...
Page 257
... magnetic fields HL , which are produced by the nuclear magnetic dipoles themselves ( and by paramagnetic ions , if present ) . The actual magnetic field at the site of a nucleus is then ( Ho + HL ) and its precessional frequency is y ...
... magnetic fields HL , which are produced by the nuclear magnetic dipoles themselves ( and by paramagnetic ions , if present ) . The actual magnetic field at the site of a nucleus is then ( Ho + HL ) and its precessional frequency is y ...
Page 262
... magnetic field pro- duces corresponding changes in the frequency of the precessing spins , which leads to an incomplete refocusing of the dephased spins by the 180 ° pulse and a consequent reduction in the height of the echo signal ...
... magnetic field pro- duces corresponding changes in the frequency of the precessing spins , which leads to an incomplete refocusing of the dephased spins by the 180 ° pulse and a consequent reduction in the height of the echo signal ...
Contents
Direct Volume Change | 22 |
Density | 32 |
Derivation of the Partial Specific Volume from | 62 |
Copyright | |
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a-helix absorption acid Acta angle axial ratio B-structure Biochem Biochemistry Biol buffer c₂ calculated CD spectra Chem chromophore circular dichroism coefficient conformation constant Cotton effects cross-section curves denaturation determined dialyzate diffusible components dilute electron density ellipsoids ellipticity enzyme equation equilibrium exciton factor function gm/ml grams Guinier helical helix hemocyanin hemoglobin intensity interaction investigated Kratky lysozyme macromolecule magnetic measurements membrane method mg/ml molal molecular weight molecule myoglobin negative nondiffusible obtained optical activity osmometers osmotic pressure parameter partial specific volume particles peptide Phys Pilz plot polymer polypeptides Porod primary beam procedure protein component protein solution radii radius of gyration residues rotational strength sample Schellman Section shape small-angle scattering small-angle X-ray scattering solvent solvent medium spectrum structure studies subsidiary maxima subunits T₁ temperature theoretical scattering curves Tinoco tion transition v₂ wavelength zero