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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  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-7293-8370 (unconfirmed)
Author's alias: 伊藤, 真陽
山口, 大輔
シバニア, イーサン
Keywords: Fluidics
Polymers
Sensors and biosensors
Issue Date: 2022
Publisher: Springer Nature
Journal title: Nature Communications
Volume: 13
Thesis number: 2281
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.
Description: マイクロ流体デバイスの製造に革新をもたらす新手法. 京都大学プレスリリース. 2022-05-19.
New process revolutionizes microfluidic fabrication. 京都大学プレスリリース. 2022-05-19.
Rights: © The Author(s) 2022
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
URI: http://hdl.handle.net/2433/270374
DOI(Published Version): 10.1038/s41467-022-29956-4
PubMed ID: 35589687
Related Link: https://www.icems.kyoto-u.ac.jp/news/7374/
https://www.icems.kyoto-u.ac.jp/en/news/7375/
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