Abstract
AbstractThe problem of X‐ray scattering by macromolecules in solution is identical with that for visible light if the relative visible index of refraction of the particles is near unity. The theory of the angular distribution and decrease of transmission due to scattering by independent particles of various shapes and sizes is outlined. For a system of non‐independent particles, the interparticle interferences of the scattered wavelets must also be considered. The Zernike and Prins expression for spherically symmetric distributions is applied to a dilute system of hard spheres and to the Kirkwood idealized liquid of hard spheres. The role of repulsive forces is considered and the correlation between the angular distribution of scattering and the osmotic pressure of the system is indicated. An extension of the theory to non‐spherically symmetric systems such as concentrated solutions of elongated particles is suggested. Applications are made to solutions of the rod‐shaped tobacco mosaic virus. A theory of the two‐phase formation of solutions of the virus is presented and evidence of the existence of three‐dimensional virus crystals in a 2.5% solution of tobacco mosaic virus is given.
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Dates
Type | When |
---|---|
Created | 14 years, 11 months ago (Sept. 14, 2010, 2:10 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 6, 2023, 10:39 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 8, 2024, 9:57 a.m.) |
Issued | 76 years, 8 months ago (Jan. 1, 1949) |
Published | 76 years, 8 months ago (Jan. 1, 1949) |
Published Online | 15 years ago (Sept. 2, 2010) |
Published Print | 76 years, 8 months ago (Jan. 1, 1949) |
@article{Oster_1949, title={Visible light and x‐ray scattering by concentrated solutions of macromolecules}, volume={68}, ISSN={0165-0513}, url={http://dx.doi.org/10.1002/recl.19490681204}, DOI={10.1002/recl.19490681204}, number={12}, journal={Recueil des Travaux Chimiques des Pays-Bas}, publisher={Wiley}, author={Oster, Gerald}, year={1949}, month=jan, pages={1123–1136} }