Physical Principles and Techniques of Protein ChemistrySydney J. Leach Physical Principles and Techniques of Protein Chemistry Part C ... |
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Page 148
... Tryptophan Since tryptophan is destroyed during the acid hydrolysis used in pre- paring samples for amino acid analysis , it is more convenient to deter- mine the tryptophan content from the ultraviolet absorption of the intact protein ...
... Tryptophan Since tryptophan is destroyed during the acid hydrolysis used in pre- paring samples for amino acid analysis , it is more convenient to deter- mine the tryptophan content from the ultraviolet absorption of the intact protein ...
Page 224
... tryptophan are characteristic of tyrosine , whereas when tryptophan is also present they resemble that of tryptophan even when the major part of the exciting radiation is absorbed by tyrosine ( Teale , 1960 ) . It is possible to resolve ...
... tryptophan are characteristic of tyrosine , whereas when tryptophan is also present they resemble that of tryptophan even when the major part of the exciting radiation is absorbed by tyrosine ( Teale , 1960 ) . It is possible to resolve ...
Page 225
... tryptophan and tyrosine as n increases ( Edelhoch et al . , 1967 ) . The quantum yield of free tryptophan decreases by 50 % and that of tyrosine by 20 % between 25 ° and 50 ° C ( Gally and Edelman , 1964 ) . Proteins which are stable in ...
... tryptophan and tyrosine as n increases ( Edelhoch et al . , 1967 ) . The quantum yield of free tryptophan decreases by 50 % and that of tyrosine by 20 % between 25 ° and 50 ° C ( Gally and Edelman , 1964 ) . Proteins which are stable in ...
Contents
Electron Microscopy | 2 |
Ultraviolet Absorption | 3 |
Dielectric Properties of Proteins | 7 |
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absorption absorption spectrum amino acids applied atoms axis Biochem Biol Biophys birefringence boundary bovine serum albumin buffer calculated Cann cell Chem chromophores coefficient components concentration curve Debye denaturation density determined dielectric constant dielectric increment dielectric relaxation difference spectrum dipole moment Edelhoch effects electric birefringence electric field electron microscope electrophoresis elution volume emission enzyme equation equilibrium excitation experimental film fluorescence fraction frequency gel filtration gradient groups instrument intensity interactions ionic strength ions lens light linear macromolecules magnification measured method micrographs migration mobility molar molecular weight molecules moving-boundary observed obtained optical ovalbumin parameter particles peaks permanent dipole perturbation phase phenolic photomultiplier Phys plot polarization polymer produced protein quantum yield ratio reaction relaxation residues resolution resolving power ribonuclease scattering shadow shown in Fig solution solvent specimen spectra structure studies technique temperature theoretical theory tion tryptophan tyrosine values wavelength Weber Winzor zone