A Flexible Transducer for Multifunctional Physiological Detection in Neural Science

Zhejun Guo, Bowen Ji, Minghao Wang, Xiaolin Wang, Bing Yang, Wei Wang, Jingquan Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper describes a flexible transducer for neural science based on polyimide. It can stimulate the neuron by electricity or light, record electrical signal, and detect the tissue temperature to avoid the heat damage of the cortex by the μLED. Furthermore, the electrode modified by platinum (Pt) black has an excellent electrical stimulation and recording ability. The capability of the neural interface was demonstrated in vitro. A low impedance (7.2 kΩ) has been achieved with 80-μm-diameter electrode site at 1 kHz. With the help of temperature sensor, 2.4 V-3.0 V was found as the safe operation voltage of the μLED that the temperature does not damage the neuron.

Original languageEnglish
Title of host publication2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2468-2471
Number of pages4
ISBN (Electronic)9781728120072
DOIs
StatePublished - Jun 2019
Externally publishedYes
Event20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII - Berlin, Germany
Duration: 23 Jun 201927 Jun 2019

Publication series

Name2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII

Conference

Conference20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
Country/TerritoryGermany
CityBerlin
Period23/06/1927/06/19

Keywords

  • Flexible electrode
  • multifunctional
  • Pt black
  • temperature

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