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Size-exclusion-chromatography separation of randomly branched polymers with tetrafunctional branch points and local dispersity.
MedLine Citation:
PMID:  22985525     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The SEC separation of a randomly branched polymer, in particular local dispersity due to branching, are theoretically examined. A model of the SEC separation of randomly branched polymer with tetrafunctional branch points enabling the estimation of local dispersity was developed. Measurable quantities (branching indices) were compared with real data. Local dispersity due to branching is demonstrated to depend on elution volume and degree of branching and in the area of the beginning of the elution curve it can reach non-negligible values.
Authors:
Miloš Netopilík
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-23
Journal Detail:
Title:  Journal of chromatography. A     Volume:  -     ISSN:  1873-3778     ISO Abbreviation:  J Chromatogr A     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-9-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9318488     Medline TA:  J Chromatogr A     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovský Sq. 2, 162 06 Prague 6, Czech Republic. Electronic address: netopil@imc.cas.cz.
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