| High frequency asynchronous magnetic bead rotation for improved biosensors. | |
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MedLine Citation:
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PMID: 21200442 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Biosensors with increasingly high sensitivity are crucial for probing small scale properties. The asynchronous magnetic bead rotation (AMBR) sensor is an emerging sensor platform, based on magnetically actuated rotation. Here the frequency dependence of the AMBR sensor's sensitivity is investigated. An asynchronous rotation frequency of 145 Hz is achieved. This increased frequency will allow for a calculated detection limit of as little as a 59 nm change in bead diameter, which is a dramatic improvement over previous AMBR sensors and further enables physical and biomedical applications. |
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Authors:
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Paivo Kinnunen; Irene Sinn; Brandon H McNaughton; Raoul Kopelman |
Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Applied physics letters Volume: 97 ISSN: 0003-6951 ISO Abbreviation: - Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2011-1-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9881183 Medline TA: Appl Phys Lett Country: - |
Other Details:
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Languages: ENG Pagination: 223701 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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