2024 journal article

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

NANO-MICRO LETTERS, 16(1).

By: J. Shin ^*, D. Kim ^*, T. Jang ^*, W. Han ^*, J. Lee ^*, G. Ko ^*, S. Yang ^*, K. Rajaram  ⁿ ...and 6 other authors, including 1 NC State author, S. Han ^*, H. Kang ^*, J. Lim ^*, C. Eom^*, A. Bandodkar ⁿ  & S. Hwang ^*

author keywords: Biodegradable elastomer; Conductive polymer composites; Biomedical device; Transient electronics

TL;DR: A bioresorbable elastomer, poly(glycolide-co-ε-caprolactone) (PGCL), with remarkable mechanical properties, including high elongation-at-break, resilience, and toughness, for soft and transient electronics, is introduced. (via Semantic Scholar)

10.1007/s40820-023-01268-2

Find Text @ NCSU

open access via link.springer.com (publisher PDF)

Source: Web Of Science

Added: February 12, 2024

AbstractSubstrates or encapsulants in soft and stretchable formats are key components for transient, bioresorbable electronic systems; however, elastomeric polymers with desired mechanical and biochemical properties are very limited compared to non-transient counterparts. Here, we introduce a bioresorbable elastomer, poly(glycolide-co-ε-caprolactone) (PGCL), that contains excellent material properties including high elongation-at-break (< 1300%), resilience and toughness, and tunable dissolution behaviors. Exploitation of PGCLs as polymer matrices, in combination with conducing polymers, yields stretchable, conductive composites for degradable interconnects, sensors, and actuators, which can reliably function under external strains. Integration of device components with wireless modules demonstrates elastic, transient electronic suture system with on-demand drug delivery for rapid recovery of post-surgical wounds in soft, time-dynamic tissues.