title: On-Demand Droplet Capture and Release Using Microwell-Assisted Surface Acoustic Waves.
abstract: We demonstrate an acoustofluidic platform that uses surface acoustic waves (SAWs) for the facile capture of droplets inside microwells and their on-demand release. When the ac signal applied to the device is tuned to modulate the location of the SAW, the SAW-based acoustic radiation force retracts or pushes the droplets into or out of one of three microwells fabricated inside a microchannel to selectively capture or release the droplet.
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Jin Ho
authors.initials: JH
authors.lastname: Jung
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Ghulam
authors.initials: G
authors.lastname: Destgeer
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Jinsoo
authors.initials: J
authors.lastname: Park
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Husnain
authors.initials: H
authors.lastname: Ahmed
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Kwangseok
authors.initials: K
authors.lastname: Park
authors.affiliation: Department of Mechanical Engineering, KAIST , Daejeon 34141, Korea.
authors.forename: Hyung Jin
authors.identifier: 0000-0002-4671-3626
authors.initials: HJ
authors.lastname: Sung