Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement
Ion concentration polarization (ICP) has been widely applied in microfluidic systems in pre-concentration, particle separation, and desalination applications. General ICP microfluidic systems have three components (i.e., source, ion-exchange, and buffer), which allow selective ion transport. Recentl...
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| Format: | Article |
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MDPI AG
2021-07-01
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| Series: | Micromachines |
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| Online Access: | https://www.mdpi.com/2072-666X/12/8/903 |
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| author | Junghyo Yoon Youngkyu Cho Jaehoon Kim Hyunho Kim Kyuhwan Na Jeong Hoon Lee Seok Chung |
| author_facet | Junghyo Yoon Youngkyu Cho Jaehoon Kim Hyunho Kim Kyuhwan Na Jeong Hoon Lee Seok Chung |
| author_sort | Junghyo Yoon |
| collection | DOAJ |
| description | Ion concentration polarization (ICP) has been widely applied in microfluidic systems in pre-concentration, particle separation, and desalination applications. General ICP microfluidic systems have three components (i.e., source, ion-exchange, and buffer), which allow selective ion transport. Recently developed trials to eliminate one of the three components to simplify the system have suffered from decreased performance by the accumulation of unwanted ions. In this paper, we presented a new ICP microfluidic system with only an ion-exchange membrane-coated channel. Numerical investigation on hydrodynamic flow and electric fields with a series of coupled governing equations enabled a strong correlation to experimental investigations on electroconvective vortices and the trajectory of charged particles. This study has significant implications for the development and optimization of ICP microfluidic and electrochemical systems for biomarker concentration and separation to improve sensing reliability and detection limits in analytic chemistry. |
| first_indexed | 2024-03-10T08:35:24Z |
| format | Article |
| id | doaj.art-a90118c22485468083686a53e04516e5 |
| institution | Directory Open Access Journal |
| issn | 2072-666X |
| language | English |
| last_indexed | 2024-03-10T08:35:24Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj.art-a90118c22485468083686a53e04516e52023-11-22T08:43:48ZengMDPI AGMicromachines2072-666X2021-07-0112890310.3390/mi12080903Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle MovementJunghyo Yoon0Youngkyu Cho1Jaehoon Kim2Hyunho Kim3Kyuhwan Na4Jeong Hoon Lee5Seok Chung6School of Mechanical Engineering, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaDepartment of IT Convergence, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaSchool of Mechanical Engineering, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaSchool of Mechanical Engineering, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaSchool of Mechanical Engineering, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaDepartment of Electrical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, KoreaSchool of Mechanical Engineering, Korea University, 145 Anam-ro, Seoungbuk-gu, Seoul 02841, KoreaIon concentration polarization (ICP) has been widely applied in microfluidic systems in pre-concentration, particle separation, and desalination applications. General ICP microfluidic systems have three components (i.e., source, ion-exchange, and buffer), which allow selective ion transport. Recently developed trials to eliminate one of the three components to simplify the system have suffered from decreased performance by the accumulation of unwanted ions. In this paper, we presented a new ICP microfluidic system with only an ion-exchange membrane-coated channel. Numerical investigation on hydrodynamic flow and electric fields with a series of coupled governing equations enabled a strong correlation to experimental investigations on electroconvective vortices and the trajectory of charged particles. This study has significant implications for the development and optimization of ICP microfluidic and electrochemical systems for biomarker concentration and separation to improve sensing reliability and detection limits in analytic chemistry.https://www.mdpi.com/2072-666X/12/8/903ion concentration polarizationelectroconvective vortexmanipulationion-permselective material |
| spellingShingle | Junghyo Yoon Youngkyu Cho Jaehoon Kim Hyunho Kim Kyuhwan Na Jeong Hoon Lee Seok Chung Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement Micromachines ion concentration polarization electroconvective vortex manipulation ion-permselective material |
| title | Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement |
| title_full | Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement |
| title_fullStr | Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement |
| title_full_unstemmed | Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement |
| title_short | Simulation and Experimental Study of Ion Concentration Polarization Induced Electroconvective Vortex and Particle Movement |
| title_sort | simulation and experimental study of ion concentration polarization induced electroconvective vortex and particle movement |
| topic | ion concentration polarization electroconvective vortex manipulation ion-permselective material |
| url | https://www.mdpi.com/2072-666X/12/8/903 |
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