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PDMS lab-on-a-chip fabrication using 3D printed templates
Linköping University, Department of Physics, Chemistry and Biology, Chemical and Optical Sensor Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
2014 (English)In: Lab on a Chip, ISSN 1473-0197, E-ISSN 1473-0189, Vol. 14, no 2, 424-430 p.Article in journal (Refereed) Published
Abstract [en]

The fabrication of conventional PDMS on glass lab-on-a-chip (LOC) devices, using templates printed with a commercial (2299 US$) micro-stereo lithography 3D printer, is demonstrated. Printed templates replace clean room and photolithographic fabrication resources and deliver resolutions of 50 mu m, and up to 10 mu m in localized hindrances, whereas the templates are smooth enough to allow direct transfer and proper sealing to glass substrates. 3D printed templates accommodate multiple thicknesses, from 50 mu m up to several mm within the same template, with no additional processing cost or effort. This capability is exploited to integrate silicone tubing easily, to improve micromixer performance and to produce multilevel fluidics with simple access to independent functional surfaces, which is illustrated by time-resolved glucose detection. The templates are reusable, can be fabricated in under 20 min, with an average cost of 0.48 US$, which promotes broader access to established LOC configurations with minimal fabrication requirements, relieves LOC fabrication from design skills and provides a versatile LOC development platform.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2014. Vol. 14, no 2, 424-430 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-103283DOI: 10.1039/c3lc50956gISI: 000328910700019OAI: oai:DiVA.org:liu-103283DiVA: diva2:688504
Available from: 2014-01-17 Created: 2014-01-16 Last updated: 2017-12-06Bibliographically approved

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Suska, AnkeFilippini, Daniel

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  • Other style
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  • de-DE
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