Magnetic Droplet Merging by Hybrid Magnetic Fields

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 combinati...

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Main Authors: Ray, Ayan, Varma, Vijaykumar B., Wang, Zhaomeng, Wang, Zhiping, Jayaneel, P.J., Sudharsan, Natteri M., Ramanujan, Raju V.
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2016
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Online Access:https://hdl.handle.net/10356/84115
http://hdl.handle.net/10220/41619
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-841152020-06-01T10:13:53Z Magnetic Droplet Merging by Hybrid Magnetic Fields Ray, Ayan Varma, Vijaykumar B. Wang, Zhaomeng Wang, Zhiping Jayaneel, P.J. Sudharsan, Natteri M. Ramanujan, Raju V. School of Materials Science & Engineering ferrofluid droplets droplet microfluidics Magnetic instruments capillary microfluidics micro-magnetofluidics 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. ASTAR (Agency for Sci., Tech. and Research, S’pore) 2016-11-04T02:04:09Z 2019-12-06T15:38:39Z 2016-11-04T02:04:09Z 2019-12-06T15:38:39Z 2016 Journal Article 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. https://hdl.handle.net/10356/84115 http://hdl.handle.net/10220/41619 10.1109/LMAG.2016.2613065 en IEEE Magnetics Letters © 2016 IEEE.
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic ferrofluid droplets
droplet microfluidics
Magnetic instruments
capillary microfluidics
micro-magnetofluidics
spellingShingle ferrofluid droplets
droplet microfluidics
Magnetic instruments
capillary microfluidics
micro-magnetofluidics
Ray, Ayan
Varma, Vijaykumar B.
Wang, Zhaomeng
Wang, Zhiping
Jayaneel, P.J.
Sudharsan, Natteri M.
Ramanujan, Raju V.
Magnetic Droplet Merging by Hybrid Magnetic Fields
description 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.
author2 School of Materials Science & Engineering
author_facet School of Materials Science & Engineering
Ray, Ayan
Varma, Vijaykumar B.
Wang, Zhaomeng
Wang, Zhiping
Jayaneel, P.J.
Sudharsan, Natteri M.
Ramanujan, Raju V.
format Article
author Ray, Ayan
Varma, Vijaykumar B.
Wang, Zhaomeng
Wang, Zhiping
Jayaneel, P.J.
Sudharsan, Natteri M.
Ramanujan, Raju V.
author_sort Ray, Ayan
title Magnetic Droplet Merging by Hybrid Magnetic Fields
title_short Magnetic Droplet Merging by Hybrid Magnetic Fields
title_full Magnetic Droplet Merging by Hybrid Magnetic Fields
title_fullStr Magnetic Droplet Merging by Hybrid Magnetic Fields
title_full_unstemmed Magnetic Droplet Merging by Hybrid Magnetic Fields
title_sort magnetic droplet merging by hybrid magnetic fields
publishDate 2016
url https://hdl.handle.net/10356/84115
http://hdl.handle.net/10220/41619
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