Printable Conductive Hydrogels and Elastomers for Biomedical Application

Area of Science:

• Materials Science
• Bioelectronics
• Biotechnology

Background:

• Printed flexible materials, especially hydrogels and elastomers, are crucial for bioelectronic applications due to their softness and conductivity.
• Conventional fabrication methods lack the precision and versatility offered by printing technologies for complex biological interfaces.

Purpose of the Study:

• To provide a comprehensive review of printable soft conductive materials.
• To emphasize the composition, processing, and functional roles of conductive hydrogels and elastomers.
• To discuss the applications and future directions in printed soft bioelectronics.

Main Methods:

• Review of traditional fabrication methods for conductive materials.
• Introduction to conductive hydrogels and elastomers as key soft materials.
• Analysis of applications in both in vitro and in vivo settings.

Main Results:

• Printing technologies offer precise spatial control and design versatility over conventional methods.
• Conductive hydrogels and elastomers show significant potential in biosensors, soft stimulators, neural interfaces, and implantable devices.
• The review highlights the progress and challenges in advancing printed soft bioelectronics.

Conclusions:

• Printed soft conductive materials are advancing bioelectronic applications, from in vitro diagnostics to in vivo therapies.
• Further research and development are needed to overcome current challenges for clinical translation.
• The field of printed soft bioelectronics holds immense promise for future medical innovations.