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- Title
Structural colour enhanced microfluidics.
- Authors
Qin, Detao; Gibbons, Andrew H.; Ito, Masateru M.; Parimalam, Sangamithirai Subramanian; Jiang, Handong; Enis Karahan, H.; Ghalei, Behnam; Yamaguchi, Daisuke; Pandian, Ganesh N.; Sivaniah, Easan
- Abstract
Advances in microfluidic technology towards flexibility, transparency, functionality, wearability, scale reduction or complexity enhancement are currently limited by choices in materials and assembly methods. Organized microfibrillation is a method for optically printing well-defined porosity into thin polymer films with ultrahigh resolution. Here we demonstrate this method to create self-enclosed microfluidic devices with a few simple steps, in a number of flexible and transparent formats. Structural colour, a property of organized microfibrillation, becomes an intrinsic feature of these microfluidic devices, enabling in-situ sensing capability. Since the system fluid dynamics are dependent on the internal pore size, capillary flow is shown to become characterized by structural colour, while independent of channel dimension, irrespective of whether devices are printed at the centimetre or micrometre scale. Moreover, the capability of generating and combining different internal porosities enables the OM microfluidics to be used for pore-size based applications, as demonstrated by separation of biomolecular mixtures. Organized microfibrillation can be used to optically printing well-defined porosity with high resolution into thin polymer films. Here, the authors use this method to create self-enclosed microfluidic devices in different flexible substrates and exploit the intrinsic appearance of structural colours for sensing application
- Subjects
STRUCTURAL colors; MICROFLUIDIC devices; POLYMER films; FLUID dynamics; CAPILLARY flow; MICROFLUIDICS; SEPARATION (Technology)
- Publication
Nature Communications, 2022, Vol 13, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-022-29956-4