Tanaka Hajime, Nishikawa Yuya
Institute of Industrial Science, University of Tokyo, Japan.
Phys Rev Lett. 2005 Aug 12;95(7):078103. doi: 10.1103/PhysRevLett.95.078103. Epub 2005 Aug 8.
In addition to the known behavior of normal phase separation and gelation, we report novel phase-separation behavior of protein solutions as their intermediate case. A network structure of the protein-rich phase may be formed even if it is the minority phase, contrary to the conventional wisdom. This behavior is characteristic of viscoelastic phase separation found in polymer solutions. This kinetic pathway may play crucial roles in the complex phase ordering of protein solutions, in particular, protein network formation in biological systems and foods.
除了已知的正常相分离和凝胶化行为外，我们还报告了蛋白质溶液作为中间情况的新型相分离行为。即使富含蛋白质的相是少数相，也可能形成其网络结构，这与传统观念相反。这种行为是聚合物溶液中发现的粘弹性相分离的特征。这种动力学途径可能在蛋白质溶液的复杂相排序中起关键作用，特别是在生物系统和食品中的蛋白质网络形成。
