Aggregation of latex microparticles: simulation and experimental verification
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad de Antioquia
2009
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| _version_ | 1876431693261307904 |
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| author | Flavio Humberto Fernández Morales |
| author_facet | Flavio Humberto Fernández Morales |
| contents | Aggregation of latex microparticles: simulation and experimental verification Flavio Humberto Fernández Morales Julio Enrique Duarte Josep Samitier Martí Ingeniería microsystems Dielectrophoresis finite element method microparticle clustering Manipulation of micrometric objects at the single level is one of the most important research fields because these techniques can be applied to handle biological material. The objective of this paper consists of presenting a microsystem designed for particle microhandling. The operating principle of the device hinges upon dielectrophoresis, which is the lateral motion of electrical neutral matter under the influence of non-uniform electric fields. In practice, the device was made on a silicon substrate onto which interdigitated castellated microelectrodes made of platinum were patterned by lift-off. Moreover, the microchamber walls were patterned in a photocurable resin which allows a constant sample volume during the experiments. Besides this, the chip was tested with polystyrene microspheres of 4.2 um in diameter and some results of common dielectrophoresis and particle clustering are also presented. Microparticle aggregation patterns are consistent with the electric field profile calculated by the finite element method over the electrode surface. 2009 artículo científico 0120-6230 https://www.redalyc.org/articulo.oa?id=43004703 en http://www.redalyc.org/revista.oa?id=430 Revista Facultad de Ingeniería Universidad de Antioquia application/pdf Universidad de Antioquia Revista Facultad de Ingeniería Universidad de Antioquia (Colombia) Num.47 |
| format | Artículo científico |
| id | redalyc_43004703 |
| institution | Redalyc |
| language | en |
| publishDate | 2009 |
| publisher | Universidad de Antioquia |
| spellingShingle | Aggregation of latex microparticles: simulation and experimental verification Flavio Humberto Fernández Morales Ingeniería microsystems Dielectrophoresis finite element method microparticle clustering Aggregation of latex microparticles: simulation and experimental verification Flavio Humberto Fernández Morales Julio Enrique Duarte Josep Samitier Martí Ingeniería microsystems Dielectrophoresis finite element method microparticle clustering Manipulation of micrometric objects at the single level is one of the most important research fields because these techniques can be applied to handle biological material. The objective of this paper consists of presenting a microsystem designed for particle microhandling. The operating principle of the device hinges upon dielectrophoresis, which is the lateral motion of electrical neutral matter under the influence of non-uniform electric fields. In practice, the device was made on a silicon substrate onto which interdigitated castellated microelectrodes made of platinum were patterned by lift-off. Moreover, the microchamber walls were patterned in a photocurable resin which allows a constant sample volume during the experiments. Besides this, the chip was tested with polystyrene microspheres of 4.2 um in diameter and some results of common dielectrophoresis and particle clustering are also presented. Microparticle aggregation patterns are consistent with the electric field profile calculated by the finite element method over the electrode surface. 2009 artículo científico 0120-6230 https://www.redalyc.org/articulo.oa?id=43004703 en http://www.redalyc.org/revista.oa?id=430 Revista Facultad de Ingeniería Universidad de Antioquia application/pdf Universidad de Antioquia Revista Facultad de Ingeniería Universidad de Antioquia (Colombia) Num.47 |
| title | Aggregation of latex microparticles: simulation and experimental verification |
| topic | Ingeniería microsystems Dielectrophoresis finite element method microparticle clustering |
| url | https://www.redalyc.org/articulo.oa?id=43004703 |