Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/84115
Title: Magnetic Droplet Merging by Hybrid Magnetic Fields
Authors: Ray, Ayan
Varma, Vijaykumar B.
Wang, Zhaomeng
Wang, Zhiping
Jayaneel, P.J.
Sudharsan, Natteri M.
Ramanujan, Raju V.
Keywords: ferrofluid droplets
droplet microfluidics
Magnetic instruments
capillary microfluidics
micro-magnetofluidics
Issue Date: 2016
Source: Ray, A., Varma, V. B., Wang, Z., Wang, Z., Jayaneel, P., Sudharsan, N. M.,& Ramanujan, R. V. (2016). Magnetic Droplet Merging by Hybrid Magnetic Fields. IEEE Magnetics Letters, 1-1.
Series/Report no.: IEEE Magnetics Letters
Abstract: Wireless and programmable manipulation of droplets is a challenge. We addressed this challenge by a combination of magnetic fluids and hybrid magnetic fields. We investigated the remote, wireless and programmable manipulation of ferrofluid droplets in a capillary microfluidic platform by a combination of uniform and non-uniform magnetic fields. The time-dependent motion of droplets under the influence of magnetic field was studied. Actuation and inter-droplet spacing of the droplets could be controlled by tuning the magnetic field strength. The influence of viscosity on the inter-droplet spacing was investigated. The time-dependent merging of (a) ferrofluid-ferrofluid and (b) ferrofluid-rhodamine droplets was demonstrated. Simulation and experimental results are in good agreement. The present work can be used for magnetically controlled, remote, wireless and programmable droplet actuation and merging relevant to biomedical assay, cell manipulation, tissue culture, drug efficacy and synthesis of magnet-polymer composite particles.
URI: https://hdl.handle.net/10356/84115
http://hdl.handle.net/10220/41619
DOI: 10.1109/LMAG.2016.2613065
Rights: © 2016 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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