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http://hdl.handle.net/11154/980
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Title: | On the protein crystal formation as an interface-controlled process with prototype ion-channeling effect |
Authors: | Siodmiak, J Uher, JJ Kruszewska, N Gadomski, A Santamaria, I |
Issue Date: | 2007 |
Abstract: | A superdiffusive random-walk action in the depletion zone around a growing protein crystal is considered. It stands for a dynamic boundary condition of the growth process and competes steadily with a quasistatic, curvature-involving (thermodynamic) free boundary condition, both of them contributing to interpret the (mainly late-stage) growth process in terms of a prototype ion-channeling effect. An overall diffusion function contains quantitative signatures of both boundary conditions mentioned and indicates whether the new phase grows as an orderly phase or a converse scenario occurs. This situation can be treated in a quite versatile way both numerically and analytically, within a generalized Smoluchowski framework. This study can help in (1) elucidating some dynamic puzzles of a complex crystal formation vs biomolecular aggregation, also those concerning ion-channel formation, and (2) seeing how ion-channel-type dynamics of non-Markovian nature may set properly the pace of model (dis)ordered protein aggregation. |
URI: | http://hdl.handle.net/11154/980 |
ISSN: | 0092-0606 |
Appears in Collections: | Física
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