Stretchable semiconductor and logic circuit for implantable flexible bioelectronic devices. (a) Schematic illustration of the biocompatible stretchable semiconductor, formed by combining an Organic Semiconducting Polymer (DPPPPT-TT) with a Medical-Grade Elastomer (Biir) Throwing A Blending-vulcanization process. (b) Photograph of a logic circuit (inverter) fabricated using the developed semiconductor, implanted subcutaneously in a laboratory mouse, togera with Voletage TRATAGE TRATAGE TRANSF curves measured before and after implantation. Credit: Jung, kh et al. A biocompatible elastomeric organic transistor for implantable electronics. Nature Electronics Doi: 10.1038/s41928-025-01444-9
Recent Technological Advances have opened new possibilities for the development of advanced biomedical devices that could be implanted inside the human body. These devices would be used to monitor biological signals that offer insight about the evolution of Specific Medical Conditions or Cold even help to alle.
Despite their potential for the diagnosis and treatment of some conditions, most implantable devices developed to date are based on Rigid Electronic Components. These components can damage tissue inside the body or cause inflammation.
Some Electronics Engineers Have Been Trying to Develop Alternative Implantable Electronics that are based on Soft and Stretchable Materials, Such as Polymers. However, Most Known Polymers and Elastic Materials are not biocompatible, which means that they can provide can provide Immune respons and adversary affect the growth of cells.
Researchers at Kyung Hee University, Sungkyunkwan University and other Institutes in South Korea Have INTROCED A New Organic Transistor, A device that modulates the flow of electrocal also in Circuits, which appears to be bot stretchable and biocompatible.
Their deviceIntroduced in a paper in Nature ElectronicsWas made using a blend of extremely thin semiconducting fibers and a biocompatiable composite elastic material.
“For more than a decade, our group has been working on intrinsically stretchable semiconductors that can elongate like Paper, Told Tech Xplore.
“While we made program in mechanical stretchaability, one critical limitation remind: Most elastomers used in research wash Implantation.
The researchrs involved in the development of the new transistor have been exploring the use of Organic Semiconductors and Medical Elastomers for the Development of Biomedical Devices for Somely.
Building on their earlier work, they tried to realize the first transistor that is stretchable, but that can also be safeli inserted inserted inserted inserted inserted insert
“Our transistor is built from a composite of a high-pharymance semiconducting polymer (DPPT-Tt) (DPPT-TT) and a Medical-Grade Rubber Called Brominated Isobootylene-Isoprene Rubber (Biper),” Explained oh.
“Using a vulcanization process which is a classical rubber crosslinking method, we created a nanofiber network of semiconductors embedded in an elastic, biocompati matrix. Provides bot stable charge transport and exceptional mechanical softness. “
The Researchers Designed Dual-Layer Electrodes for their device that are made of silver and gold, two materials that are conductive, chemically stere Prolonged periods of time.
Initial Tests, they found that their transistor could stretch up to 50% strain, successfully enduring 10,000 cycles of stretching while still operating normally.
Oh and his colleagues also implanted their device under the skin of mice, to assess its performance and safety in biological environments. They found that the transistor performed remarkally well, while also conforming to the animals’ tissue and resisting degradation when in contact with biological fluids.
“We showed not only stable device operation under physiological conditions but also excellent in vitro and in vivo safety, with no information or fibrotic encapsulation after 30 days of” Oh. “We Further Validated Logic Gates and Active-Matrix Arrays, Proving the scalability of the platform.”
The soft and biocompatible transistor developed by this team of Researchers Could Soon be used to develop a wide range of electronics. These include biosensors that can monitor physical processes, smart implants for the precise delivery of drugs, Prosthetic Systems that connect the connect the connection with robotic Limbs and EVAN NEW TYPES Consumer devices.
“Our next Studies will follow two distinct directions,” SAID OH. “On the hardware side, we aim to further Improve Transistor Performance, Scalability, and Integration INTO Complex Circuits Such as Logic-In-Memory Architectures. Extended in Vivo Studies to Validate long-term safety and reliability. “
Eventually, OH and His Colleagues would also like to explore the situation of using their transistor to create implantable brain-inspired devices. For example, they envision new energy-efficient and ai-power systems that could sense the environment inside the body, white also also making predictions based on the data.
“Ultimately, we Envision Combining Hardware Advances with Ai-Driven Software to Create Self-LORNING implantable Electronics,” Added Oh.
Written for you by author Ingrid fadelliEdited by Sadie harleyAnd Fact-CHACKED and Reviewed by Robert egan—This article is the result of careful human work. We relay on readers like you to keep independent science counalism alive. If this reporting matters to you, please consider a donation (especially monthly). You’ll Get an ad-free Account as a Thank-You.
More information:
Kyu ho jung et al, a biocompatible elastomeric organic transistor for implantable electronics, Nature Electronics (2025). Doi: 10.1038/s41928-025-01444-9,
© 2025 Science X Network
Citation: A biocompatible and stretchable transistor for implantable devices (2025, September 17) retrieved 17 September 2025 from hts
This document is Subject to copyright. Apart from any Fair Dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
