| A one-dimensional transient model of electrical field flow fractionation. | |
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MedLine Citation:
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PMID: 15624184 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A well-developed classical theory is available for constant-voltage electrical field flow fractionation (EFFF). Recent experimental research, however, has demonstrated that pulsed fields may enhance retention in some cases. A generalized mathematical approach is presented for the prediction of retention ratios for any field type, pulsed or constant. The methodology is applied and demonstrated for a square wave protocol. Complex concentration profiles arise wherein particles are focused either towards the walls or into the channel center. The computational results indicate that pulsation can either increase retention time or decrease retention time by manipulating the effective electric field and suggest that separation resolution may also be improved. |
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Authors:
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Joseph J Biernacki; Naitik Vyas |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Electrophoresis Volume: 26 ISSN: 0173-0835 ISO Abbreviation: Electrophoresis Publication Date: 2005 Jan |
Date Detail:
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Created Date: 2005-01-10 Completed Date: 2005-06-10 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8204476 Medline TA: Electrophoresis Country: Germany |
Other Details:
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Languages: eng Pagination: 18-27 Citation Subset: IM |
Affiliation:
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Tennessee Technological University, Department of Chemical Engineering, Cookeville, TN 38501, USA. jbiernacki@tntech.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electricity Fractionation, Field Flow* Models, Chemical* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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