Physical Principles and Techniques of Protein ChemistrySydney J. Leach Physical Principles and Techniques of Protein Chemistry Part C ... |
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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 ( H。 + H1 ) 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 ( H。 + H1 ) 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
Density and Volume Change Measurements | 1 |
Osmotic Pressure | 18 |
Optical Rotatory | 22 |
Copyright | |
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a-helix absorption acid angle axial ratio B-structure band Biochem Biochemistry Biol buffer c₂ calculated CD spectra Chem chromophore coefficient Cohn complex concentration conformation constant Cotton effects creatine kinase cross-section curves denaturation determined dialyzate diffusible components dilute electron density ellipsoids ellipticity enzyme equation equilibrium exciton experimental factor function grams Guinier helical helix hemocyanin hemoglobin intensity interaction investigations kinase Kratky lysozyme macromolecule magnetic measurements membrane method mg/ml molal molecular weight molecule myoglobin negative nondiffusible observed obtained optical activity osmometers osmotic pressure paramagnetic parameter partial specific volume particles peptide Phys Pilz plot polymer polypeptides Porod primary beam procedure protein protein solution pulse radii radius of gyration residues rotational strength sample Schellman Section shape small-angle scattering solvent solvent medium spectrum sphere structure studies subunits T₁ temperature theoretical scattering curves Tinoco tion transition wavelength zero