| Coil-helix transition in poly(L-glutamic acid): Evidence for a 3-state non-cooperative process. | |
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MedLine Citation:
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PMID: 23053818 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A careful analysis of measurements of circular dichroism of poly(L-glutamic acid) (PGA) shows that the data can be very accurately described by introducing a third state for the PGA configuration, in addition to the helix and coil ones, and considering a simple equilibrium between these three states, without cooperativity. The third state is more conspicuous when high molecular weight polyethyleneglycol (PEG) is added. Excluded-volume effects shown by differences in the presence of short and long PEG chains suggest a direct interaction of PEG and PGA rather than an osmotic effect. |
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Authors:
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G Zalczer |
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Publication Detail:
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Type: Journal Article Date: 2012-10-11 |
Journal Detail:
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Title: The European physical journal. E, Soft matter Volume: 35 ISSN: 1292-895X ISO Abbreviation: Eur Phys J E Soft Matter Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101126530 Medline TA: Eur Phys J E Soft Matter Country: France |
Other Details:
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Languages: eng Pagination: 9776 Citation Subset: IM |
Affiliation:
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Service de Physique de l'Etat Condensé, CEA Saclay, 91191, Gif-sur-Yvette cedex, France, Gilbert.Zalczer@cea.fr. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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