Separation of microalgae with different lipid contents by dielectrophoresis
Abstract
In this study, the effect of the solution conductivity on the behavior of microalgal cells (Chlorella) with different lipid contents under a non-uniform electric field was investigated. It was found that, for the algal cells with 11 wt% lipid content, the crossover frequency is between 2 and 10 MHz when the solution conductivity is within 1.4 and 2.95 mS/cm, and increases as the solution conductivity increases. As to the microalgal cells with 45 wt% lipid content, they experienced negative DEP at frequency below 20 MHz when the solution conductivity is within 2.06 and 2.95 mS/cm. However, positive DEP was observed when the solution conductivity becomes 1.4 mS/cm. In a mixture of the algal cells, those with different lipid contents were successfully separated by DEP at solution conductivity of 2.95 mS/cm and frequency of 20 MHz.
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Dielectrophoresis (DEP) uses polarization and motion of cell components induced by non-uniform electric fields to separate cells with different lipid contents.
“Dielectrophoresis (DEP) uses the principles of polarization and the motion of cell components which was induced by non-uniform electric fields for the separation of cells with different lipid contents [57].”
From Microalgae Lipids Detection and Quantification Method Towards Online Real-Time Monitoring: A Review (2023) · cites this paper as [57]
Cites
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Self-citationSingh, A., & Olsen, S. I. (2011) · Applied Energy · doi:10.1016/j.apenergy.2010.12.012 · Cited by 471 · see citing works
Bioprospecting for hyper-lipid producing microalgal strains for sustainable biofuel production
Mutanda, T., Ramesh, D., Karthikeyan, S., Kumari, S., Anandraj, A., & Bux, F. (2011) · Bioresource Technology · doi:10.1016/j.biortech.2010.06.077 · Cited by 471 · see citing works
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Mass cultivation and harvesting of microalgal biomass: Current trends and future perspectives
Udayan, A., Sirohi, R., Sreekumar, N., Sang, B.-I., & Sim, S. J. (2022) · Bioresource Technology · doi:10.1016/j.biortech.2021.126406 · Cited by 159 · see citing works
Han, S.-I., Huang, C., & Han, A. (2019) · 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) · doi:10.1109/transducers.2019.8808499 · Cited by 9 · see citing works
Microalgae Lipids Detection and Quantification Method Towards Online Real-Time Monitoring: A Review
Chong, K. L., & Ahmad, M. R. (2023) · ELEKTRIKA- Journal of Electrical Engineering · doi:10.11113/elektrika.v22n3.454 · Cited by 2 · see citing works
“Dielectrophoresis (DEP) uses the principles of polarization and the motion of cell components which was induced by non-uniform electric fields for the separation of cells with different lipid contents [57].”
- Authors
- Deng, Y.-L., Chang, J.-S., & Juang, Y.-J.
- Affiliations
- National Cheng Kung University (TW)
- Corresponding author
- Juang, Yi-Je
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2013-05
- Volume
- 135
- Pages
- 137-141
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W1979213741
- Cited by
- 56
- References
- 4
- Citations by year
- 2025: 2 · 2024: 2 · 2023: 6 · 2022: 3 · 2021: 10 · 2020: 2 · 2019: 7 · 2018: 5 · 2017: 3 · 2016: 3 · 2015: 4 · 2014: 6 · 2013: 3
- FWCI
- 2.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Council
- National Cheng Kung University
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Microfluidic and Bio-sensing Technologies
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrohydrodynamics and Fluid Dynamics
- Keywords
- dielectrophoresis, microalgae separation, Chlorella, lipid content, solution conductivity, crossover frequency, non-uniform electric field, cell sorting, microalgal lipid extraction
- MeSH terms
- Chlorella, Electric Conductivity, Electrophoresis, Lipids, Solutions, Microalgae
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