Recent Progress on Transparent Microelectrode-Based Soft Bioelectronic Devices for Neuroscience and Cardiac Research

Area of Science:

• Bioelectronic devices
• Materials science
• Neuroscience
• Cardiology

Background:

• Transparent microelectrodes offer advantages over opaque ones for combined electrical and optical sensing.
• Mechanical softness is crucial for biocompatibility and maintaining functionality in bioelectronic devices.
• Recent research focuses on soft transparent microelectrodes for enhanced bioelectronic applications.

Purpose of the Study:

• To review recent research on transparent microelectrode-based soft bioelectronic devices.
• To emphasize material properties, device designs, and multimodal applications.
• To highlight advancements in neuroscience and cardiology.

Main Methods:

• Review of material candidates with suitable electrical, optical, and mechanical properties.
• Discussion of soft transparent microelectrode arrays for combined electrical and optical functions.
• Summary of progress in soft opto-electric devices integrating transparent microelectrodes with LEDs and photodetectors.

Main Results:

• Identification of suitable materials for soft transparent microelectrodes.
• Examples of microelectrode arrays for brain and heart recording/stimulation and optical modulation.
• Progress in integrated soft opto-electric microsystems for exploring brain and heart functions.

Conclusions:

• Soft transparent microelectrodes are key components for advanced bioelectronic interfaces.
• These devices enable multimodal sensing and modulation in neuroscience and cardiology.
• Future directions point towards further integration and improved biointerface capabilities.