Shaping and transporting diamagnetic sessile drops
Dodoo, Jennifer and Stokes, Adam A. (2019) Shaping and transporting diamagnetic sessile drops. Biomicrofluidics, 13 (6). 064110. ISSN 1932-1058
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Abstract
Electromagnetic fields are commonly used to control small quantities of fluids in microfluidics and digital microfluidics. Magnetic control techniques are less well studied than their electric counterparts, with only a few investigations into liquid diamagnetism. The ratio of magnetic to surface energy (magnetic Bond number B m) is an order of magnitude smaller for diamagnetic drops (B m ≈-0.3 at 1.2 T applied field) than for paramagnetic drops (B m ≈ 9.0 at 1.2 T applied field). This weaker interaction between the magnetic field and the diamagnetic drop has led to the phenomenon being overlooked in digital microfluidics. Here, we investigate shaping and transport of diamagnetic drops using magnetostatic fields. Our findings highlight how diamagnetic fluids can be used as a novel tool in the toolbox of microfluidics and digital microfluidics.
Creators(s): |
Dodoo, Jennifer ![]() | Item type: | Article |
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ID code: | 72259 |
Keywords: | microfluidics, digital microfluidics, sessile drops, Bioengineering, Biomedical Engineering, Materials Science(all), Condensed Matter Physics, Fluid Flow and Transfer Processes, Colloid and Surface Chemistry |
Subjects: | Technology > Engineering (General). Civil engineering (General) > Bioengineering |
Department: | Faculty of Engineering > Biomedical Engineering |
Depositing user: | Pure Administrator |
Date deposited: | 05 May 2020 13:33 |
Last modified: | 01 Jan 2021 06:18 |
Related URLs: | |
URI: | https://strathprints.strath.ac.uk/id/eprint/72259 |
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