An effective long-range attraction between protein molecules in solutions studied by small angle neutron scattering
Soft Condensed Matter
2009-11-11 v1
Abstract
Small angle neutron scattering intensity distributions taken from cytochrome C and lysozyme protein solutions show a rising intensity at very small wave vector, Q, which can be interpreted in terms of the presence of a weak long-range attraction between protein molecules. This interaction has a range several times that of the diameter of the protein molecule, much greater than the range of the screened electrostatic repulsion. We show evidence that this long-range attraction is closely related to the type of anion present and ion concentration in the solution.
Keywords
Cite
@article{arxiv.cond-mat/0508162,
title = {An effective long-range attraction between protein molecules in solutions studied by small angle neutron scattering},
author = {Yun Liu and Emiliano Fratini and Piero Baglioni and Wei-Ren Chen and Sow-Hsin Chen},
journal= {arXiv preprint arXiv:cond-mat/0508162},
year = {2009}
}