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Magnetically Responsive Film Decorated with Microcilia for Robust and Controllable Manipulation of Droplets
Chen, Ge1; Dai, Ziyi1; Li, Shunbo2; Huang, Yifeng3; Xu, Yi2; She, Juncong3; Zhou, Bingpu1,4
2021-01-13
Source PublicationACS Applied Materials and Interfaces
ISSN1944-8244
Volume13Issue:1Pages:1754-1765
Abstract

Droplet manipulations are critical for applications ranging from biochemical analysis, medical diagnosis to environmental controls. Even though magnetic actuation has exhibited great potential, the capability of high-speed, precise manipulation, and mixing improvement covering a broad droplet volume has not yet been realized. Herein, we demonstrated that the magnetic actuation could be conveniently achieved via decorating the magnetically responsive film with microcilia. Under magnetic field, the film can quickly response with localized deformation, along with the microcilia to realize the surface superhydrophobicity for droplet manipulation with velocity up to a173 mm/s covering a broad volume of 2-100 μL. The robust system further allows us to realize rapid and complete droplet mixing within a1.6 s. In addition, the microcilia decorated surface can preserve the robust superhydrophobicity after various stability tests, for example, normal pressing, chemical corrosion, and mechanical abrasion, exhibiting the possibility toward the long-term and real applications. With the multifunctional demonstrations such as obvious mixing improvement, parallel manipulation, and serial dilution, we believe that the methodology can open up a magnetic field-based avenue for future applications in digital microfluidics, and biochemical assays, etc.

KeywordDigital Microfluidics Droplet Manipulation Magnetically Responsive Mixing Superhydrophobic
DOI10.1021/acsami.0c16262
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000611066000171
PublisherAMER CHEMICAL SOC1155 16TH ST, NW, WASHINGTON, DC 20036
Scopus ID2-s2.0-85099662823
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
DEPARTMENT OF PHYSICS AND CHEMISTRY
Corresponding AuthorZhou, Bingpu
Affiliation1.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, 999078, Macao
2.Key Laboratory of Optoelectronic Technology and Systems, Min. of Education and Key Disciplines Laboratory of Novel Micro-Nano Devices and System Technology, College of Optoelectronics Engineering, Chongqing University, Chongqing, 400044, China
3.State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, 510275, China
4.Department of Physics and Chemistry, University of Macau, Taipa, Avenida da Universidade, 999078, Macao
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING;  University of Macau
Recommended Citation
GB/T 7714
Chen, Ge,Dai, Ziyi,Li, Shunbo,et al. Magnetically Responsive Film Decorated with Microcilia for Robust and Controllable Manipulation of Droplets[J]. ACS Applied Materials and Interfaces, 2021, 13(1), 1754-1765.
APA Chen, Ge., Dai, Ziyi., Li, Shunbo., Huang, Yifeng., Xu, Yi., She, Juncong., & Zhou, Bingpu (2021). Magnetically Responsive Film Decorated with Microcilia for Robust and Controllable Manipulation of Droplets. ACS Applied Materials and Interfaces, 13(1), 1754-1765.
MLA Chen, Ge,et al."Magnetically Responsive Film Decorated with Microcilia for Robust and Controllable Manipulation of Droplets".ACS Applied Materials and Interfaces 13.1(2021):1754-1765.
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