MICROFLUIDIC SYSTEM HAVING MONOLITHIC NANOPLASMONIC STRUCTURES
A microfluidic system, particularly suited as a cell culture system, is provided having a single monolithic biocompatible substrate with both a surface having an ordered array of nano-scale elements required for plasmonic response monitoring and a network of microchannels for precisely controlling cellular environment. The system has the additional advantages of low-volume consumption, rapid low-cost fabrication of molds with easily interchangeable microfluidic channel layouts, amenability to mass production, and in situ label-free real-time detection of cellular response, viability, behavior and biomolecular binding using plasmonic techniques. A ratio of greater than 0.2 between the cross-sectional dimension and the spacing distance of the nano-scale elements is useful for plasmonic response monitoring. A process for producing such a system involves fabrication of a master mold containing the nano-scale elements etched into a hard substrate, and the micro-scale and meso-scale features, such as channels and chambers, provided in a soft membrane bonded to the hard substrate. A stamp may be created by setting a settable liquid polymer or metal placed in the master mold and then the features of the intended device transferred to a polymeric substrate using the stamp..
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Patent| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Europäisches Patentamt - (2020) vom: 24. März Zur Gesamtaufnahme - year:2020 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
MALIC LIDIJA [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Anmerkungen: |
Source: www.epo.org (no modifications made), First posted: 2020-03-24, Last update posted on www.tib.eu: 2023-12-25, Last updated: 2023-12-29 |
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| Patentnummer: |
CA2830103 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
EPA008142165 |
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| 520 | |a A microfluidic system, particularly suited as a cell culture system, is provided having a single monolithic biocompatible substrate with both a surface having an ordered array of nano-scale elements required for plasmonic response monitoring and a network of microchannels for precisely controlling cellular environment. The system has the additional advantages of low-volume consumption, rapid low-cost fabrication of molds with easily interchangeable microfluidic channel layouts, amenability to mass production, and in situ label-free real-time detection of cellular response, viability, behavior and biomolecular binding using plasmonic techniques. A ratio of greater than 0.2 between the cross-sectional dimension and the spacing distance of the nano-scale elements is useful for plasmonic response monitoring. A process for producing such a system involves fabrication of a master mold containing the nano-scale elements etched into a hard substrate, and the micro-scale and meso-scale features, such as channels and chambers, provided in a soft membrane bonded to the hard substrate. A stamp may be created by setting a settable liquid polymer or metal placed in the master mold and then the features of the intended device transferred to a polymeric substrate using the stamp. | ||
| 650 | 4 | |a B21D: Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal (working or processing of wire b21f) | |
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| 650 | 4 | |a B22C: Foundry moulding (moulding refractory materials in general b28b) | |
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