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Highly Elastic, Bioresorbable Polymeric Materials for Stretchable, Transient Electronic Systems.

Jeong-Woong Shin^1,2, Dong-Je Kim¹, Tae-Min Jang¹

¹KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.

Nano-Micro Letters

|February 1, 2024

Summary

This summary is machine-generated.

Researchers developed a new bioresorbable elastomer, poly(glycolide-co-ε-caprolactone) (PGCL), for transient electronics. This material enables stretchable, conductive composites and an electronic suture system for wound healing.

Keywords:

Biodegradable elastomer Biomedical device Conductive polymer composites Transient electronics

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Area of Science:

Biomaterials Science
Polymer Chemistry
Bioelectronics

Background:

Transient, bioresorbable electronic systems require advanced substrates and encapsulants.
Existing elastomeric polymers have limitations in mechanical and biochemical properties for these applications.

Purpose of the Study:

To introduce a novel bioresorbable elastomer, poly(glycolide-co-ε-caprolactone) (PGCL), for soft and stretchable electronic systems.
To demonstrate the utility of PGCL in creating functional transient electronic devices.

Main Methods:

Synthesized and characterized poly(glycolide-co-ε-caprolactone) (PGCL) elastomer.
Developed stretchable, conductive composites using PGCL as a polymer matrix with conducting polymers.
Integrated these composites into a transient electronic suture system with wireless modules and drug delivery capabilities.

Main Results:

PGCL exhibits excellent material properties: high elongation-at-break (>1300%), resilience, toughness, and tunable dissolution.
Stretchable, conductive PGCL-based composites function reliably under strain for applications like interconnects, sensors, and actuators.
Demonstrated an elastic, transient electronic suture system for on-demand drug delivery and wound healing.

Conclusions:

PGCL is a promising bioresorbable elastomer for transient electronics.
PGCL-based composites enable the development of advanced, degradable electronic systems.
The transient electronic suture system offers a novel approach for post-surgical wound management.