A planar conducting microstructure to guide and confine magnetic beads to a sensing zone
A novel planar conducting microstructure is proposed to transport and confine magnetic micro/nano beads to a sensing zone. Manipulation and concentration of magnetic beads are achieved by employing square-shaped conducting micro-loops, with a few hundred nano-meters in thickness, arranged in a uniqu...
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| Veröffentlicht in: | Microelectronic engineering 2011-08, Vol.88 (8), p.1757-1760 |
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| container_title | Microelectronic engineering |
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| creator | Gooneratne, Chinthaka P. Liang, Cai Kosel, Jürgen |
| description | A novel planar conducting microstructure is proposed to transport and confine magnetic micro/nano beads to a sensing zone. Manipulation and concentration of magnetic beads are achieved by employing square-shaped conducting micro-loops, with a few hundred nano-meters in thickness, arranged in a unique fashion. These microstructures are designed to produce high magnetic field gradients which are directly proportional to the force applied to manipulate the magnetic beads. Furthermore, the size of the microstructures allows greater maneuverability and control of magnetic beads than what could be achieved by permanent magnets. The aim of the microstructures is to guide magnetic beads from a large area and confine them to a smaller area where for example quantification would take place. Experiments were performed with different concentrations of 2μm diameter magnetic beads. Experimental results showed that magnetic beads could be successfully guided and confined to the sensing zone. |
| doi_str_mv | 10.1016/j.mee.2010.12.068 |
| format | Article |
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Manipulation and concentration of magnetic beads are achieved by employing square-shaped conducting micro-loops, with a few hundred nano-meters in thickness, arranged in a unique fashion. These microstructures are designed to produce high magnetic field gradients which are directly proportional to the force applied to manipulate the magnetic beads. Furthermore, the size of the microstructures allows greater maneuverability and control of magnetic beads than what could be achieved by permanent magnets. The aim of the microstructures is to guide magnetic beads from a large area and confine them to a smaller area where for example quantification would take place. Experiments were performed with different concentrations of 2μm diameter magnetic beads. Experimental results showed that magnetic beads could be successfully guided and confined to the sensing zone.</description><subject>Applied fluid mechanics</subject><subject>Beads</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Conduction</subject><subject>Detection</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fluidics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Giant magnetoresistance</subject><subject>GMR sensor</subject><subject>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</subject><subject>Magnetic beads</subject><subject>Magnetic properties and materials</subject><subject>Magnetotransport phenomena, materials for magnetotransport</subject><subject>Maneuverability</subject><subject>Microfluidics</subject><subject>Microstructure</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Permanent magnets</subject><subject>Physics</subject><subject>Studies of specific magnetic materials</subject><subject>Surfaces and interfaces; 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Liang, Cai ; Kosel, Jürgen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-55500383d67155d8de2f8151a06e2285e01afe53c1960aba913b3a1936916ca13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied fluid mechanics</topic><topic>Beads</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Conduction</topic><topic>Detection</topic><topic>Exact sciences and technology</topic><topic>Fluid dynamics</topic><topic>Fluidics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Giant magnetoresistance</topic><topic>GMR sensor</topic><topic>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</topic><topic>Magnetic beads</topic><topic>Magnetic properties and materials</topic><topic>Magnetotransport phenomena, materials for magnetotransport</topic><topic>Maneuverability</topic><topic>Microfluidics</topic><topic>Microstructure</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Permanent magnets</topic><topic>Physics</topic><topic>Studies of specific magnetic materials</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gooneratne, Chinthaka P.</creatorcontrib><creatorcontrib>Liang, Cai</creatorcontrib><creatorcontrib>Kosel, Jürgen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Microelectronic engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gooneratne, Chinthaka P.</au><au>Liang, Cai</au><au>Kosel, Jürgen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A planar conducting microstructure to guide and confine magnetic beads to a sensing zone</atitle><jtitle>Microelectronic engineering</jtitle><date>2011-08-01</date><risdate>2011</risdate><volume>88</volume><issue>8</issue><spage>1757</spage><epage>1760</epage><pages>1757-1760</pages><issn>0167-9317</issn><eissn>1873-5568</eissn><coden>MIENEF</coden><abstract>A novel planar conducting microstructure is proposed to transport and confine magnetic micro/nano beads to a sensing zone. Manipulation and concentration of magnetic beads are achieved by employing square-shaped conducting micro-loops, with a few hundred nano-meters in thickness, arranged in a unique fashion. These microstructures are designed to produce high magnetic field gradients which are directly proportional to the force applied to manipulate the magnetic beads. Furthermore, the size of the microstructures allows greater maneuverability and control of magnetic beads than what could be achieved by permanent magnets. The aim of the microstructures is to guide magnetic beads from a large area and confine them to a smaller area where for example quantification would take place. Experiments were performed with different concentrations of 2μm diameter magnetic beads. Experimental results showed that magnetic beads could be successfully guided and confined to the sensing zone.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.mee.2010.12.068</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0167-9317 |
| ispartof | Microelectronic engineering, 2011-08, Vol.88 (8), p.1757-1760 |
| issn | 0167-9317 1873-5568 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_901681485 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied fluid mechanics Beads Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Conduction Detection Exact sciences and technology Fluid dynamics Fluidics Fundamental areas of phenomenology (including applications) Giant magnetoresistance GMR sensor Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Magnetic beads Magnetic properties and materials Magnetotransport phenomena, materials for magnetotransport Maneuverability Microfluidics Microstructure Nanocomposites Nanomaterials Nanostructure Permanent magnets Physics Studies of specific magnetic materials Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | A planar conducting microstructure to guide and confine magnetic beads to a sensing zone |
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