Ionic conducting hydrogels as biomedical materials: classification, design strategies, and skin tissue engineering...

Area of Science:

• Biomedical Engineering
• Materials Science
• Soft Electronics

Background:

• Ionically conductive hydrogels (ICHs) integrate conductivity with soft, tissue-like properties, making them ideal for flexible electronics and wearable sensors.
• Recent advancements have enhanced ICHs' conductivity, processability, adhesion, stretchability, self-healing, and biocompatibility.
• These improvements unlock significant potential in medical monitoring, sports health, and smart wear applications.

Purpose of the Study:

• To review the classification and design strategies of ICHs for biomedical applications.
• To explore the structure-activity relationship at the bioelectronic interface.
• To highlight cutting-edge skin interface applications of ICHs.

Main Methods:

• Literature review of recent research on ICHs.
• Analysis of design strategies and structure-activity relationships.
• Elaboration of case studies in skin interface applications.

Main Results:

• ICHs exhibit enhanced properties like high conductivity, stretchability, and biocompatibility.
• The review covers classification, design, and interface science for ICHs.
• Key applications include transdermal drug delivery, wound healing, diagnostics, and human-computer interaction.

Conclusions:

• ICHs are crucial for developing next-generation flexible wearable electronics.
• Further research into ICHs will drive innovation in biomedical fields.
• This review aims to inspire advancements in ICH technology for diverse applications.