| Electroaddressing Agarose Using Fmoc-Phenylalanine as a Temporary Scaffold. | |
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MedLine Citation:
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PMID: 21598916 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Electroaddressing, the use of imposed electrical stimuli to guide assembly, is attractive because electrical stimuli can be conveniently applied with high spatial and temporal resolution. Several electroaddressing mechanisms have been reported in which electrode-induced pH gradients trigger stimuli-responsive materials to undergo localized sol-gel transitions to form hydrogel matrices. A common feature of existing hydrogel electrodeposition mechanisms is that the deposited matrix retains residual charged, acidic, or basic (macro)molecules. Here, we report that pH-responsive fluorenyl-9-methoxycarbonyl-phenylalanine (Fmoc-Phe) can be used to codeposit the neutral and thermally responsive polysaccharide agarose. Upon cooling, an agarose network is generated and Fmoc-Phe can be removed. The Fmoc-Phe-mediated codeposition of agarose is simple, rapid, spatially selective, and allows for the electroaddressing of a bioactive matrix. |
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Authors:
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Yi Liu; Yi Cheng; Hsuan-Chen Wu; Eunkyoung Kim; Rein V Ulijn; Gary W Rubloff; William E Bentley; Gregory F Payne |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-20 |
Journal Detail:
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Title: Langmuir : the ACS journal of surfaces and colloids Volume: - ISSN: 1520-5827 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882736 Medline TA: Langmuir Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Center for Biosystems Research, ‡Institute for Systems Research, §Fischell Department of Bioengineering, and ∥Department of Materials Science and Engineering, University of Maryland , College Park, Maryland 20742, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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