PEDOT:PSS-based bioelectronics for brain monitoring and modulation

Area of Science:

• Bioelectronic materials science
• Neuroscience
• Biomedical engineering

Background:

• Growing demand for advanced neural interfaces necessitates flexible, biocompatible, and conductive materials.
• PEDOT:PSS exhibits high conductivity, flexibility, and biocompatibility, ideal for neural devices.
• Current research focuses on enhancing PEDOT:PSS for high-resolution neural monitoring and precise stimulation.

Purpose of the Study:

• To review recent advances in PEDOT:PSS-based bioelectrodes for brain monitoring and modulation.
• To focus on strategies for improving conductivity, biocompatibility, and stability.
• To highlight integrated multifunctional neural interfaces.

Main Methods:

• Comprehensive literature review of PEDOT:PSS bioelectronic materials.
• Analysis of strategies for enhancing material properties (conductivity, biocompatibility, stability).
• Examination of integrated multifunctional neural interfaces (e.g., stimulation-recording, electro-optical, multimodal monitoring).

Main Results:

• PEDOT:PSS bioelectrodes show promise for high-resolution neural activity monitoring and precise electrical stimulation.
• Integration strategies enable synchronous stimulation-recording, hybrid electro-optical stimulation, and multimodal monitoring.
• Advancements in PEDOT:PSS are crucial for improving brain-computer interface precision and clinical translatability.

Conclusions:

• PEDOT:PSS-based bioelectrodes are critical for next-generation neural devices.
• Addressing challenges in efficacy, integration, safety, and clinical translation is key.
• This review provides insights for future research in bioelectronic technologies for neuroscience and clinical applications.