Wireless Power Transfer for Autonomous Wearable Neurotransmitter Sensors

Sensors

Pavan Kumar Kota¹  Smitha Rao¹  Souvik Dubey¹  Cuong M. Nguyen¹  Jeffrey Mays¹  J.-C. Chiao¹  Minh Q. Nguyen¹ 

[1] Electrical Engineering Department, University of Texas at Arlington, TX 76019, USA;

关键词: wireless power transmission;    multi-transmitter antenna;    neurotransmitter sensor recorder;    L-glutamate sensors;   

DOI  :  10.3390/s150924553

来源: DOAJ

【 摘 要 】

In this paper, we report a power management system for autonomous andreal-time monitoring of the neurotransmitter L-glutamate (L-Glu). A low-power, low-noise, and high-gain recording module was designed to acquire signal from an implantable flexible L-Glu sensor fabricated by micro-electro-mechanical system (MEMS)-based processes. The wearable recording module was wirelessly powered through inductive coupling transmitter antennas. Lateral and angular misalignments of the receiver antennas were resolved by using a multi-transmitter antenna configuration. The effective coverage, over which the recording module functioned properly, was improved with the use of in-phase transmitter antennas. Experimental results showed that the recording system was capable of operating continuously at distances of 4 cm, 7 cm and 10 cm. The wireless power management system reduced the weight of the recording module, eliminated human intervention and enabled animal experimentation for extended durations.

【 授权许可】

Unknown