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On-chip micromanipulation and assembly of colloidal particles by electric fields
Abstract
We overview the ways in which electric fields can be used for on-chip manipulation and assembly of colloidal particles. Particles suspended in water readily respond to alternating (AC) or direct current (DC) electric fields. Charged particles in DC fields are moved towards oppositely charged electrodes by electrophoresis. Dielectrophoresis, particle mobility in AC fields, allows precise manipulation of particles through a range of parameters including field strength and frequency and electrode geometry. Simultaneously, DC or AC electrokinetics may drive liquid flows inside the experimental cells, which also leads to transport and redistribution of the suspended particles. Examples of dielectrophoretic manipulation and assembly of nanoparticles and microparticles by planar on-chip electrodes are presented. The structures assembled include conductive microwires from metallic nanoparticles and switchable two-dimensional crystals from polymer microspheres. We also discuss how dielectrophoresis and AC electrokinetics can be used in droplet-based microfluidic chips, biosensors, and devices for collection of particles from diluted suspensions.
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Jones, T. B. (1995) · doi:10.1017/cbo9780511574498 · Cited by 2,786
Cited by
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Villegas, M., Zhang, Y., Abu Jarad, N., Soleymani, L., & Didar, T. F. (2019) · ACS Nano · doi:10.1021/acsnano.9b04129 · Cited by 459
Self-assembly and applications of anisotropic nanomaterials: A review
Thorkelsson, K., Bai, P., & Xu, T. (2015) · Nano Today · doi:10.1016/j.nantod.2014.12.005 · Cited by 344
Dielectrophoresis for manipulation of micro/nano particles in microfluidic systems
Zhang, C., Khoshmanesh, K., Mitchell, A., & Kalantar-zadeh, K. (2010) · Analytical and Bioanalytical Chemistry · doi:10.1007/s00216-009-2922-6 · Cited by 305
The use of electric fields in tissue engineering: A review
Markx, G. H. (2008) · Organogenesis · doi:10.4161/org.5799 · Cited by 92
Whole-cell biochips for bio-sensing: integration of live cells and inanimate surfaces
Ben-Yoav, H., Melamed, S., Freeman, A., Shacham-Diamand, Y., & Belkin, S. (2011) · Critical Reviews in Biotechnology · doi:10.3109/07388551.2010.532767 · Cited by 52
Metadata
- Authors
- Velev, O. D., & Bhatt, K. H.
- Venue
- Soft Matter
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2006
- Volume
- 2
- Issue
- 9
- Pages
- 738
- ISSN
- 1744-683X (ISSN-L)
- 1744-6848
- OpenAlex
- W2117550253
- Cited by
- 361
- References
- 1
- FWCI
- 12.92
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
