Physical Principles and Techniques of Protein ChemistrySydney J. Leach Physical Principles and Techniques of Protein Chemistry Part C ... |
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Page 171
... beam FIG . 12. Schematic geometry of a small - angle scattering camera . A collimated beam ( primary beam ) strikes the sample and the scattered X - rays are measured by a counter , which is moved step by step through the angular range ...
... beam FIG . 12. Schematic geometry of a small - angle scattering camera . A collimated beam ( primary beam ) strikes the sample and the scattered X - rays are measured by a counter , which is moved step by step through the angular range ...
Page 177
... beam is some 10 to 10 times greater than that of the scattered X - rays , the primary beam must either be attenuated in a controlled way or else its intensity must be determined indirectly . a . Rotator Method . The first determinations ...
... beam is some 10 to 10 times greater than that of the scattered X - rays , the primary beam must either be attenuated in a controlled way or else its intensity must be determined indirectly . a . Rotator Method . The first determinations ...
Page 179
... beam over a wide range of angles . c . The sample should not change its scattering intensity after re- peated irradiation . Experiments with various substances have shown that plates of synthetic material are the most suitable for this ...
... beam over a wide range of angles . c . The sample should not change its scattering intensity after re- peated irradiation . Experiments with various substances have shown that plates of synthetic material are the most suitable for this ...
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 band Biochem Biochemistry Biol buffer c₂ calculated CD spectra Chem chromophore circular dichroism coefficient complex 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 solution pulse 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