A wearable electrofluidic actuation system

Haisong Lin; Hannaneh Hojaiji; Shuyu Lin; Christopher Yeung; Yichao Zhao; Bo Wang; Meghana Malige; Yibo Wang; Kimber King; Wenzhuo Yu; Jiawei Tan; Zhaoqing Wang; Xuanbing Cheng; Sam Emaminejad

doi:10.1039/C9LC00454H

A wearable electrofluidic actuation system†

Haisong Lin,

‡^a Hannaneh Hojaiji,

‡^a Shuyu Lin,

‡^a Christopher Yeung,

^ab Yichao Zhao,^ab Bo Wang,^a Meghana Malige,^a Yibo Wang,^a Kimber King,^a Wenzhuo Yu,^a Jiawei Tan,^ab Zhaoqing Wang,^a Xuanbing Cheng^ab and Sam Emaminejad

*^ac

Author affiliations

* Corresponding authors

^a Interconnected & Integrated Bioelectronics Lab (I2BL), Department of Electrical and Computer Engineering, University of California, Los Angeles, CA, USA
E-mail: emaminejad@ucla.edu

^b Department of Materials Science and Engineering, University of California, Los Angeles, CA, USA

^c Department of Bioengineering, University of California, Los Angeles, CA, USA

Abstract

We report a wearable electrofluidic actuation system, which exploits the alternating current electrothermal (ACET) effects to engineer biofluid flow profiles on the body. The wearable ACET flow is induced with the aid of corrosion-resistant electrode configurations (fabricated on a flexible substrate) and custom-developed, wirelessly programmable high frequency (MHz) excitation circuitry. Various tunable flow profiles are demonstrated with the aid of the devised flexible ACET electrode configurations, where the induced profiles are in agreement with the ACET theory and simulation. The demonstrated capabilities rendered by the presented system create new degrees of freedom for implementing advanced bioanalytical operations for future lab-on-the-body platforms.

This article is part of the themed collection: Wearable and Implantable Sensors

Lab on a Chip

A wearable electrofluidic actuation system†

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