ArticleSensors (Basel, Switzerland)2015
A tapered aluminium microelectrode array for improvement of dielectrophoresis-based particle manipulation.
Article in Sensors (Basel, Switzerland), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Experimentally profiling dielectric properties of Escherichia coli and Staphylococcus aureus by movement velocity and force.Scientific reports · 2025Article
- Review
- Migration Study of Dielectrophoretically Manipulated Red Blood Cells in Tapered Aluminium Microelectrode Array: A Pilot Study.Micromachines · 2023Article
- Protein Albumin Manipulation and Electrical Quantification of Molecular Dielectrophoresis Responses for Biomedical Applications.Micromachines · 2022Review
- Review
- Integration of a Dielectrophoretic Tapered Aluminum Microelectrode Array with a Flow Focusing Technique.Sensors (Basel, Switzerland) · 2021Article
- Dielectrophoresis Prototypic Polystyrene Particle Synchronization toward Alive Keratinocyte Cells for Rapid Chronic Wound Healing.Sensors (Basel, Switzerland) · 2021Article
- Review
- A review of polystyrene bead manipulation by dielectrophoresis.RSC advances · 2019Review
- Surface Modification of Electroosmotic Silicon Microchannel Using Thermal Dry Oxidation.Micromachines · 2018Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this work, the dielectrophoretic force (F(DEP)) response of Aluminium Microelectrode Arrays with tapered profile is investigated through experimental measurements and numerical simulations. A standard CMOS processing technique with a step for the formation of a tapered profile resist is implemented in the fabrication of Tapered Aluminium Microelectrode Arrays (TAMA). The F(DEP) is investigated through analysis of the Clausius-Mossotti factor (CMF) and cross-over frequency (f(xo)). The performance of TAMA with various side wall angles is compared to that of microelectrodes with a straight cut sidewall profile over a wide range of frequencies through FEM numerical simulations. Additionally, electric field measurement (EFM) is performed through scanning probe microscopy (SPM) in order to obtain the region of force focus in both platforms. Results showed that the tapered profile microelectrodes with angles between 60° and 70° produce the highest electric field gradient on the particles. Also, the region of the strongest electric field in TAMA is located at the bottom and top edge of microelectrode while the strongest electric field in microelectrodes with straight cut profile is found at the top corner of the microelectrode. The latter property of microelectrodes improves the probability of capturing/repelling the particles at the microelectrode's side wall.
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Registered trials
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