An investigation into the kinematics of magnetically driven droplets on various (super)hydrophobic surfaces and their application to an automated multi-droplet platform

An investigation into the kinematics of magnetically driven droplets on various (super)hydrophobic surfaces and their application to an automated multi-droplet platform

Magnetic actuation on digital microfluidic (DMF) platforms may provide a low-cost, less cumbersome alternative for droplet manipulation in comparison to other techniques such as electrowetting-on-dielectric. Precise control of droplets in magnetically driven DMF platforms is achieved using a low-fri...

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Veröffentlicht in:Analytical and bioanalytical chemistry 2019-08, Vol.411 (21), p.5393-5403
Hauptverfasser: Agrawal, Prashant, Bachus, Kyle J., Carriere, Gabrielle, Grouse, Phoenix, Oleschuk, Richard D.
Format: Artikel
Sprache:eng
Schlagworte:
Actuation
Analytical Chemistry
Automation
Biochemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Contact angle
Deoxyribonucleic acid
DNA
Droplets
Fluorescence
Food Science
Friction
Hydrophobic surfaces
Hydrophobicity
Integrated circuit fabrication
Kinematics
Laboratory Medicine
Magnetic fields
Microfluidics
Monitoring/Environmental Analysis
Organic chemistry
Platforms
Porous materials
Research Paper
Surface chemistry
Surface energy
Surface properties
Ultrasmall Sample Biochemical Analysis
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Zusammenfassung:Magnetic actuation on digital microfluidic (DMF) platforms may provide a low-cost, less cumbersome alternative for droplet manipulation in comparison to other techniques such as electrowetting-on-dielectric. Precise control of droplets in magnetically driven DMF platforms is achieved using a low-friction surface, magnetically susceptible material/droplet(s), and an applied magnetic field. Superhydrophobic (SH) surfaces offer limited friction for aqueous media as defined by their high water contact angles (WCA) (>150°) and low sliding angles (
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-018-1378-y