| Imaginary Magnetic Tweezers for Massively Parallel Surface Adhesion Spectroscopy. | |
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MedLine Citation:
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PMID: 21417363 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A massively parallel magnetic tweezer system has been constructed that utilizes the self-repulsion of colloidal beads from a planar interface via a magnetic dipole image force. Self-repulsion enables the application of a uniform magnetic force to thousands of beads simultaneously, which permits the measurement of unbinding histograms at the lowest loading rates ever tested. The adhesion of 9.8 μm polystyrene beads to a fluorocarbon, PEG, and UV-irradiated PEG surfaces were measured between 10(-3)-10(0) pN/s force loading rates, revealing the presence of both kinetic and quasi-equilibrium unbinding regimes. |
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Authors:
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Ye Yang; Randall M Erb; Benjamin J Wiley; Stefan Zauscher; Benjamin B Yellen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-18 |
Journal Detail:
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Title: Nano letters Volume: - ISSN: 1530-6992 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088070 Medline TA: Nano Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Mechanical Engineering and Materials Science and ‡Department of Chemistry, Duke University , Durham, North Carolina, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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