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In-air particle generation by on-chip electrohydrodynamics

Dau, Thanh Van and Bui, Thanh Tung and Tran, Canh-Dung and Nguyen, Thanh Viet and Nguyen, Tuan-Khoa and Dinh, Toan and Phan, Hoang-Phuong and Wibowo, David and Rehm, Bernd H. A. and Ta, Hang Thu and Nguyen, Nam-Trung and Dao, Viet Dzung (2021) In-air particle generation by on-chip electrohydrodynamics. Lab on a Chip, 21 (9). pp. 1779-1787. ISSN 1473-0197

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Electrohydrodynamic atomization has been emerging as a powerful approach for respiratory treatment, including the generation and delivery of micro/nanoparticles as carriers for drugs and antigens. In this work, we present a new conceptual design in which two nozzles facilitate dual electrospray coexisting with ionic wind at chamfered tips by a direct current power source. Experimental results by a prototype have demonstrated the capability of simultaneously generating-and-delivering a stream of charged reduced particles. The concept can be beneficial to pulmonary nano-medicine delivery since the mist of nanoparticles is migrated without any restriction of either the collector or the assistance of external flow, but is pretty simple in designing and manufacturing devices.

Item Type: Article
Subjects: Electronics and Communications > Electronics and Computer Engineering
ISI-indexed journals
Divisions: Center for Electronics and Telecommunications Research (CETR)
Faculty of Electronics and Telecommunications (FET)
Depositing User: Bùi Thanh Tùng
Date Deposited: 28 Jun 2021 16:41
Last Modified: 28 Jun 2021 16:41

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