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Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis

Lerner, Betiana et al · Springer · 2012

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Author / responsible party
Lerner, Betiana et al
Publisher
Springer
Year
2012
ISSN
0946-7076
ISSN
0946-7076
Language
English

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The work presents an alternative method for themanufacture of micropores by using the combination oflaser ablation and wet etching. The process of laser ablationwas done on silicon (Si) wafers with silicon nitride (Si3N4)used as a sacrificial layer. The size of the pores wascarefully controlled by following an optical technique.The method exhibits a series of advantages in relationmicromachining techniques previously used. The fabricatedpores were then integrated to polydimethylsiloxane(PDMS) microchannels, which constitutes a novel setup tobe considered for microfluidic applications. Furthermore, asthe system is addressed to study the electrically-driventransport of macromolecules, deoxyribonucleic acid (DNA)electrophoresis was performed in the fabricated microsystemsto prove the principle. Also for these purposes, theelectric field throughout the microchannel and pore regionwas studied in details by using numerical simulations. Fil: Lerner, Betiana. Comisión Nacional de Energía Atómica. Gerencia de Área de Investigación y Aplicaciones no Nucleares. Gerencia de Desarrollo Tecnológico y Proyectos Especiales. Departamento de Micro y Nanotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Perez, Maximiliano Sebastian. Comisión Nacional de Energía Atómica. Gerencia de Área de Investigación y Aplicaciones no Nucleares. Gerencia de Desarrollo Tecnológico y Proyectos Especiales. Departamento de Micro y Nanotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

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APA 7

Lerner, B. E. A. (2012). Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis. http://hdl.handle.net/11336/268085

MLA

Lerner, Betiana et al. "Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis." 2012. http://hdl.handle.net/11336/268085.

Chicago

Lerner, Betiana et al. 2012. "Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis.". http://hdl.handle.net/11336/268085.

Harvard

Lerner, B. E. A. 2012, Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis, Springer, available at: http://hdl.handle.net/11336/268085 [Accessed 6 Aug. 2026].

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Title
Laser fabrication of micropores and their integration to microfluidic platforms for DNA electrophoresis
Author / contributors
Lerner, Betiana et al
Publisher
Springer
Publication year
2012
ISSN
0946-7076
ISSN
0946-7076
Language
English

Subjects

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LASER ABLATION; MICROPORE FABRICATION; PDMS MICROCHANNELS; ELECTROPHORESIS ON CHIPS; https://purl.org/becyt/ford/2.10; https://purl.org/becyt/ford/2
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