Issue 63, 2024

Well-modulated interfacial ion transport enables d-sorbitol/PEDOT:PSS fibers to sense brain electrophysiological signals in vivo

Abstract

A neuroelectrode can be easily prepared using a wet-spun fiber of D-sorbitol/PEDOT:PSS. At a D-sorbitol/PEDOT:PSS weight ratio of 6, the fiber is well-modulated with suitable characters, including the morphology, crystallization, diffusion resistance (179 kΩ), and electric double-layer capacitance (2.72 μF), for sensitive recording of brain activity during somatosensory stimulation and seizures. Additionally, the fiber is highly biocompatible with the brain. This study presents a simple and controllable strategy for the chemical construction of conducting polymer-based neurosensors.

Graphical abstract: Well-modulated interfacial ion transport enables d-sorbitol/PEDOT:PSS fibers to sense brain electrophysiological signals in vivo

Supplementary files

Article information

Article type
Communication
Submitted
19 Apr 2024
Accepted
09 Jul 2024
First published
10 Jul 2024

Chem. Commun., 2024,60, 8244-8247

Well-modulated interfacial ion transport enables D-sorbitol/PEDOT:PSS fibers to sense brain electrophysiological signals in vivo

T. Xu, Chem. Commun., 2024, 60, 8244 DOI: 10.1039/D4CC01867B

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