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 ( 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
25 | 4 |
E The Isopotential Specific Volume | 10 |
Direct Volume Change | 22 |
Copyright | |
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a-helical a-helix absorption band acid angle B-structure Beychok Biochem Biochemistry Biol Blout c₂ calculated CD band CD spectrum Chem chromophore circular dichroism coefficient Cohn coil complex concentration conformation contribution Cotton effects creatine kinase cross-section denatured determined dipole Doty electron density ellipticity enzyme equation equilibrium exciton experimental factor Fasman function helical content helix intensity interaction kinase Kratky lysozyme magnetic measurements method Moffitt molecular weight molecule myoglobin negative negative band obtained optical activity ORD curve parameters partial specific volume particles peptide perturbation Phys Pilz plot polarized poly-L-proline polymer polypeptides positive procedure protein protein solution pulse Pysh radius of gyration random coil region residues rotational strength rotatory sample Schellman Section shape small-angle solvent spectra sphere studies subunits T₁ temperature theory Tinoco tion transition transition dipole moment tyrosine vector wavefunctions wavelength Woody X-ray zero