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Nonmonotonic variation with salt concentration of the second virial coefficient in protein solutions.

Abstract:

The osmotic virial coefficient B2 of globular protein solutions is calculated as a function of added salt concentration at fixed pH by computer simulations of the "primitive model." The salt and counterions as well as a discrete charge pattern on the protein surface are explicitly incorporated. For parameters roughly corresponding to lysozyme, we find that B2 first decreases with added salt concentration up to a threshold concentration, then increases to a maximum, and then decreases again up...

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Publication status:
Published

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Publisher copy:
10.1103/physreve.67.051404

Authors


Allahyarov, E More by this author
Hansen, JP More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics
Volume:
67
Issue:
5 Pt 1
Pages:
051404
Publication date:
2003-05-05
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:35972c5c-5aed-4094-ba61-e7d9f168738c
Source identifiers:
153973
Local pid:
pubs:153973
Language:
English

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