{"title":"Highly efficient in-droplet particle concentration and separation by twDEP and EWOD for digital microfluidics","authors":"Yuejun Zhao, U. Yi, S. Cho","doi":"10.1109/MEMSYS.2007.4433153","DOIUrl":null,"url":null,"abstract":"This paper describes highly efficient in-droplet particle concentrations/separations (over 92% efficiency), where target particles are concentrated/separated within a droplet by traveling wave dielectrophoresis (twDEP) and a subsequent EWOD (electrowetting-on-dielectric) actuation physically splits target-rich regions into individual droplets. This in-droplet method will provide a new functionality of separation/concentration for digital (droplet-based) microfluidics [1], thereby possibly eliminating the necessity of adopting the conventional continuous-flow-based separation methods.","PeriodicalId":6388,"journal":{"name":"2007 IEEE 20th International Conference on Micro Electro Mechanical Systems (MEMS)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE 20th International Conference on Micro Electro Mechanical Systems (MEMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.2007.4433153","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
This paper describes highly efficient in-droplet particle concentrations/separations (over 92% efficiency), where target particles are concentrated/separated within a droplet by traveling wave dielectrophoresis (twDEP) and a subsequent EWOD (electrowetting-on-dielectric) actuation physically splits target-rich regions into individual droplets. This in-droplet method will provide a new functionality of separation/concentration for digital (droplet-based) microfluidics [1], thereby possibly eliminating the necessity of adopting the conventional continuous-flow-based separation methods.
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