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Design of an injectable, self-adhesive, and highly stable hydrogel electrode for sleep recording.
Hsieh, Ju-Chun; He, Weilong; Venkatraghavan, Dhivya; Koptelova, Victoria B; Ahmad, Zoya J; Pyatnitskiy, Ilya; Wang, Wenliang; Jeong, Jinmo; Tang, Kevin Kai Wing; Harmeier, Cody; Li, Conrad; Rana, Manini; Iyer, Sruti; Nayak, Eesha; Ding, Hong; Modur, Pradeep; Mysliwiec, Vincent; Schnyer, David M; Baird, Benjamin; Wang, Huiliang.
Afiliación
  • Hsieh JC; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • He W; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Venkatraghavan D; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Koptelova VB; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Ahmad ZJ; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Pyatnitskiy I; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Wang W; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Jeong J; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Tang KKW; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Harmeier C; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Li C; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Rana M; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Iyer S; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Nayak E; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Ding H; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
  • Modur P; Department of Neurology, The University of Texas at Austin, Austin, TX 78712, USA.
  • Mysliwiec V; Department of Psychiatry, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA.
  • Schnyer DM; Department of Psychology, The University of Texas at Austin, Austin, TX 78712, USA.
  • Baird B; Department of Psychology, The University of Texas at Austin, Austin, TX 78712, USA.
  • Wang H; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
Device ; 2(2)2024 Feb 16.
Article en En | MEDLINE | ID: mdl-39239460
ABSTRACT
High-quality and continuous electroencephalogram (EEG) monitoring is desirable for sleep research, sleep monitoring, and the evaluation and treatment of sleep disorders. Existing continuous EEG monitoring technologies suffer from fragile connections, long-term stability, and complex preparation for electrodes under real-life conditions. Here, we report an injectable and spontaneously cross-linked hydrogel electrode for long-term EEG applications. Specifically, our electrodes have a long-term low impedance on hairy scalp regions of 17.53 kΩ for more than 8 h of recording, high adhesiveness on the skin of 0.92 N cm-1 with repeated attachment capability, and long-term wearability during daily activities and overnight sleep. In addition, our electrodes demonstrate a superior signal-to-noise-ratio of 23.97 decibels (dB) in comparison with commercial wet electrodes of 17.98 dB and share a high agreement of sleep stage classification with commercial wet electrodes during multichannel recording. These results exhibit the potential of our on-site-formed electrodes for high-quality, prolonged EEG monitoring in various scenarios.

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Device Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Device Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos