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 Ho 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 Ho 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。 + H ) 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。 + H ) 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
F Density and Composition | 16 |
Direct Volume Change | 22 |
Density | 32 |
Copyright | |
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a-helix absorption acid Amer angle B-structure band Biochem Biochemistry Biol c₂ calculated CD spectra Chem chemical potential chromophore coefficient conformation constant Cotton effects cross-section denaturation determined dialyzate difference diffusible components dilute Donnan electron density enzyme equation equilibrated equilibrium exciton experimental function gm/ml grams helical helix hemocyanin hemoglobin intensity interaction Kratky Kupke Linderstrøm-Lang macromolecules magnetic measurements membrane method mixture molal molecular weight molecule monomer myoglobin negative nondiffusible components nonideality number of moles obtained optical activity osmometers osmotic pressure parameter partial specific volume particles peptide Phys Pilz plot polymer polypeptides positive potential procedure protein component protein concentration protein solution radius of gyration random coil residues rotational strength salt sample Scatchard Schellman Section shape small-angle scattering solvent solvent medium spectrum sphere structure subunits temperature Tinoco tion transition v₂ volume change wavelength zero