{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/37946"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/37946","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Optimizing mixer geometries for dielectrophoretic micro-concentrators","abstract":"Dielectrophoretic (DEP) force, generated by interdigitated electrodes (IDEs), has been utilized to capture bio-particles for microfluidic concentration. However, due to the localized DEP force, DEP-based ,/ -concentrators usually have shallow channels and thus are operated under low flow rates. In this thesis, we propose a mixer-enhanced DEP-based concentrator which can be operate under high flow rates (-200 /l/min) with 20 Vpp applied voltage. In particular, the optimal geometries of micromixers for the device are investigated and determined by simulations and experiments. The optimal micromixer-enhanced concentrator exhibits up to 1.5 x improvement in trapping efficiency as compared to a concentrator without mixers.","abstract_html":"Dielectrophoretic (DEP) force, generated by interdigitated electrodes (IDEs), has been utilized to capture bio-particles for microfluidic concentration. However, due to the localized DEP force, DEP-based ,/ -concentrators usually have shallow channels and thus are operated under low flow rates. In this thesis, we propose a mixer-enhanced DEP-based concentrator which can be operate under high flow rates (-200 /l/min) with 20 Vpp applied voltage. In particular, the optimal geometries of micromixers for the device are investigated and determined by simulations and experiments. The optimal micromixer-enhanced concentrator exhibits up to 1.5 x improvement in trapping efficiency as compared to a concentrator without mixers.","abstract_has_math":false,"creators":["Lee, Hsu-Yi"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.","school":null,"contributors":[],"advisors":["Joel Voldman."],"committee_chairs":[],"committee_members":[],"year":2006,"date_issued":"2006","date_published":"2006","updated_at":"2026-07-22T22:21:47Z","subjects":["Electrical Engineering and Computer Science."],"languages":["eng"],"rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/37946","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Joel Voldman."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."]},{"key":"dc:contributor.other","label":"Dc Contributor Other","values":["Massachusetts Institute of Technology. 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They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://dspace.mit.edu/handle/1721.1/7582"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1721.1/37946"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.","Includes bibliographical references (leaves 69-71)."]},{"key":"dc:description.abstract","label":"Abstract","values":["Dielectrophoretic (DEP) force, generated by interdigitated electrodes (IDEs), has been utilized to capture bio-particles for microfluidic concentration. However, due to the localized DEP force, DEP-based ,/ -concentrators usually have shallow channels and thus are operated under low flow rates. In this thesis, we propose a mixer-enhanced DEP-based concentrator which can be operate under high flow rates (-200 /l/min) with 20 Vpp applied voltage. In particular, the optimal geometries of micromixers for the device are investigated and determined by simulations and experiments. The optimal micromixer-enhanced concentrator exhibits up to 1.5 x improvement in trapping efficiency as compared to a concentrator without mixers."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.M."]},{"key":"dc:title","label":"Title","values":["Optimizing mixer geometries for dielectrophoretic micro-concentrators"]}]}],"canonical_facts":{"dc:contributor.advisor":["Joel Voldman."],"dc:contributor.department":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:contributor.other":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:creator":["Lee, Hsu-Yi"],"dc:date.accessioned":["2007-07-18T13:13:54Z"],"dc:date.available":["2007-07-18T13:13:54Z"],"dc:date.issued":["2006"],"dc:description":["Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.","Includes bibliographical references (leaves 69-71)."],"dc:description.abstract":["Dielectrophoretic (DEP) force, generated by interdigitated electrodes (IDEs), has been utilized to capture bio-particles for microfluidic concentration. However, due to the localized DEP force, DEP-based ,/ -concentrators usually have shallow channels and thus are operated under low flow rates. In this thesis, we propose a mixer-enhanced DEP-based concentrator which can be operate under high flow rates (-200 /l/min) with 20 Vpp applied voltage. In particular, the optimal geometries of micromixers for the device are investigated and determined by simulations and experiments. The optimal micromixer-enhanced concentrator exhibits up to 1.5 x improvement in trapping efficiency as compared to a concentrator without mixers."],"dc:description.degree":["S.M."],"dc:identifier.uri":["http://hdl.handle.net/1721.1/37946"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Electrical Engineering and Computer Science."],"dc:title":["Optimizing mixer geometries for dielectrophoretic micro-concentrators"],"dc:type":["Thesis"]},"updated_at":"2026-07-22T22:21:47Z"}