Customized trapping of magnetic particles
This paper presents an efficient technique for trapping of magnetic particles in confined spatial locations using customized designs of micro-coils (MCs). Large magnetic field gradients of up to 20 T/mm and large magnetic forces in the range of 10 −8 Newton on magnetic particles with diameter of 1 μ...
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| Veröffentlicht in: | Microfluidics and nanofluidics 2009, Vol.6 (1), p.53-62 |
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| container_title | Microfluidics and nanofluidics |
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| creator | Ramadan, Qasem Poenar, Daniel P. Yu, Chen |
| description | This paper presents an efficient technique for trapping of magnetic particles in confined spatial locations using customized designs of micro-coils (MCs). Large magnetic field gradients of up to 20 T/mm and large magnetic forces in the range of 10
−8
Newton on magnetic particles with diameter of 1 μm have been achieved using MCs with several planar geometrical configurations. A large magnetic field gradient is generated and enhanced by two structural parameters: the small width and high aspect ratio of each single conductor and the ferromagnetic pillars positioned at high-flux density locations. This arrangement creates very steep magnetic potential wells, in particular at the vicinity of the pillars. The system allowed capturing of suspended magnetic particles as far as 1,000 μm from the center of the device. Magnetic particles/cells have been trapped and confined in single and in arrays of deep magnetic potential wells corresponding to the MCs configuration. |
| doi_str_mv | 10.1007/s10404-008-0296-2 |
| format | Article |
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−8
Newton on magnetic particles with diameter of 1 μm have been achieved using MCs with several planar geometrical configurations. A large magnetic field gradient is generated and enhanced by two structural parameters: the small width and high aspect ratio of each single conductor and the ferromagnetic pillars positioned at high-flux density locations. This arrangement creates very steep magnetic potential wells, in particular at the vicinity of the pillars. The system allowed capturing of suspended magnetic particles as far as 1,000 μm from the center of the device. Magnetic particles/cells have been trapped and confined in single and in arrays of deep magnetic potential wells corresponding to the MCs configuration.</description><identifier>ISSN: 1613-4982</identifier><identifier>EISSN: 1613-4990</identifier><identifier>DOI: 10.1007/s10404-008-0296-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Analytical Chemistry ; Applied fluid mechanics ; Atoms & subatomic particles ; Biological and medical sciences ; Biomedical Engineering and Bioengineering ; Biotechnology ; Engineering ; Engineering Fluid Dynamics ; Exact sciences and technology ; Fluid dynamics ; Fluidics ; Fundamental and applied biological sciences. Psychology ; Fundamental areas of phenomenology (including applications) ; Magnetic fields ; Methods. Procedures. Technologies ; Nanotechnology and Microengineering ; Others ; Physics ; Research Paper ; Studies ; Trapping ; Various methods and equipments</subject><ispartof>Microfluidics and nanofluidics, 2009, Vol.6 (1), p.53-62</ispartof><rights>Springer-Verlag 2008</rights><rights>2009 INIST-CNRS</rights><rights>Springer-Verlag 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-82366543879efb6f6525e6545324ec1ef9c8d85b4cf71e90eaeb5480bdbeaaab3</citedby><cites>FETCH-LOGICAL-c346t-82366543879efb6f6525e6545324ec1ef9c8d85b4cf71e90eaeb5480bdbeaaab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10404-008-0296-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10404-008-0296-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,4024,27923,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21190676$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ramadan, Qasem</creatorcontrib><creatorcontrib>Poenar, Daniel P.</creatorcontrib><creatorcontrib>Yu, Chen</creatorcontrib><title>Customized trapping of magnetic particles</title><title>Microfluidics and nanofluidics</title><addtitle>Microfluid Nanofluid</addtitle><description>This paper presents an efficient technique for trapping of magnetic particles in confined spatial locations using customized designs of micro-coils (MCs). Large magnetic field gradients of up to 20 T/mm and large magnetic forces in the range of 10
−8
Newton on magnetic particles with diameter of 1 μm have been achieved using MCs with several planar geometrical configurations. A large magnetic field gradient is generated and enhanced by two structural parameters: the small width and high aspect ratio of each single conductor and the ferromagnetic pillars positioned at high-flux density locations. This arrangement creates very steep magnetic potential wells, in particular at the vicinity of the pillars. The system allowed capturing of suspended magnetic particles as far as 1,000 μm from the center of the device. Magnetic particles/cells have been trapped and confined in single and in arrays of deep magnetic potential wells corresponding to the MCs configuration.</description><subject>Analytical Chemistry</subject><subject>Applied fluid mechanics</subject><subject>Atoms & subatomic particles</subject><subject>Biological and medical sciences</subject><subject>Biomedical Engineering and Bioengineering</subject><subject>Biotechnology</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fluidics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Magnetic fields</subject><subject>Methods. Procedures. 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Large magnetic field gradients of up to 20 T/mm and large magnetic forces in the range of 10
−8
Newton on magnetic particles with diameter of 1 μm have been achieved using MCs with several planar geometrical configurations. A large magnetic field gradient is generated and enhanced by two structural parameters: the small width and high aspect ratio of each single conductor and the ferromagnetic pillars positioned at high-flux density locations. This arrangement creates very steep magnetic potential wells, in particular at the vicinity of the pillars. The system allowed capturing of suspended magnetic particles as far as 1,000 μm from the center of the device. Magnetic particles/cells have been trapped and confined in single and in arrays of deep magnetic potential wells corresponding to the MCs configuration.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s10404-008-0296-2</doi><tpages>10</tpages></addata></record> |
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| ispartof | Microfluidics and nanofluidics, 2009, Vol.6 (1), p.53-62 |
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| subjects | Analytical Chemistry Applied fluid mechanics Atoms & subatomic particles Biological and medical sciences Biomedical Engineering and Bioengineering Biotechnology Engineering Engineering Fluid Dynamics Exact sciences and technology Fluid dynamics Fluidics Fundamental and applied biological sciences. Psychology Fundamental areas of phenomenology (including applications) Magnetic fields Methods. Procedures. Technologies Nanotechnology and Microengineering Others Physics Research Paper Studies Trapping Various methods and equipments |
| title | Customized trapping of magnetic particles |
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