Physical Principles and Techniques of Protein Chemistry, Part 3Sydney J. Leach |
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Page 260
... pulse followed at some variable time interval later by a 90 ° pulse ( the 180 ° -t - 90 ° method ) . There is no received signal following the 180 ° pulse since the magnetization is then -Mo , i.e. , parallel to the z - axis . The ...
... pulse followed at some variable time interval later by a 90 ° pulse ( the 180 ° -t - 90 ° method ) . There is no received signal following the 180 ° pulse since the magnetization is then -Mo , i.e. , parallel to the z - axis . The ...
Page 270
... pulse and 90 ° pulse conditions respectively . The measurement of the T1 of an unknown sample then follows in a straightforward manner . Using a 180 ° -90 ° pulse sequence , the time in- terval between the two pulses was varied until a ...
... pulse and 90 ° pulse conditions respectively . The measurement of the T1 of an unknown sample then follows in a straightforward manner . Using a 180 ° -90 ° pulse sequence , the time in- terval between the two pulses was varied until a ...
Page 271
... pulse ; the gain of the Y - amplifier has been increased and the time base expanded to provide an effective enlargement of the signal due to the 90 ° pulse as the null condition is approached . 1 the first pulse . For this to be ...
... pulse ; the gain of the Y - amplifier has been increased and the time base expanded to provide an effective enlargement of the signal due to the 90 ° pulse as the null condition is approached . 1 the first pulse . For this to be ...
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