Biodegradable materials and devices for neuroelectronics

Kim, G.-S.; Hong, Minki; Lee, Yerim; Koo, Jahyun

doi:10.1557/s43577-023-00529-0

Cited by 4 publications

(2 citation statements)

References 83 publications

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“…These devices are designed to naturally disintegrate after a useful functional period, undergoing absorption or metabolism within the body [1] . The intrinsic benefits of biodegradable electronics extend beyond traditional electronic devices, as they present a novel approach to address challenges associated with long-term implantation, surgical removal, and potential complications [2,3] . By enabling the circumvention of risks related to secondary surgeries and infections for device removal, biodegradable devices not only overcome side effects such as foreign body reactions but also eliminate patient inconvenience or immune responses [4][5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

“…This challenge arises because the device performance is highly influenced by its electrical properties, and upon exposure to fluids, the decrease in conductivity occurs much faster than mass loss [29] . Implant residues, due to the relatively long degradation period, also introduce complications in device design and fabrication [2] . The current focus is on balancing the trade-off between the functionality and lifespan of devices through three main strategic perspectives.…”

Section: Introductionmentioning

confidence: 99%

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Controlling the lifetime of biodegradable electronics: from dissolution kinetics to trigger acceleration

Park,

Ryu,

Choi

et al. 2024

Soft Sci

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Biodegradable electronics have revolutionized the field of medical devices by offering inherent advantages such as natural disintegration after a useful functional period, thereby eliminating the need for removal surgery. This paradigm shift addresses challenges with long-term implantation, the risks of secondary surgeries, and potential complications, offering a safer and more patient-friendly approach to temporary implantable devices. This review delves into the dissolution kinetics of materials and strategies for lifetime control providing a comprehensive overview of recent advancements in biodegradable electronics. Understanding the kinetics is crucial for meeting the required functional lifetime for implantable medical applications, which varies based on application scope and target diseases. The dissolution kinetics of silicon and biodegradable metals form the core of the discussion, focusing on recent studies aimed at controlling the dissolution rate and enhancing properties. The exploration extends to ideas for accelerating material degradation or initiating on-demand degradation in biodegradable electronics after stable function. Additionally, the compilation of encapsulation layer materials and strategies enhances understanding of how to improve the stable operation time of devices. Emphasis is placed on efforts to adjust the lifetime of biodegradable electronics, particularly in medical applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Controlling the lifetime of biodegradable electronics: from dissolution kinetics to trigger acceleration

Park,

Ryu,

Choi

et al. 2024

Soft Sci

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Towards Polymer Composite‐Based Transient Electronic Systems

Ko,

Naganaboina,

Goda

et al. 2024

Advanced NanoBiomed Research

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Biocompatible and biodegradable polymer composite systems, featuring electrical and mechanical functionalities, have been studied as a means to enable biointegrated electronics, facilitating the acquisition of diverse valuable data. This involves establishing dependable connections with the pliable, irregular surfaces of human skin and organs to obtain a range of useful information. Previously, biodegradable conductive organic/inorganic materials such as conducting polymers and metal derivatives have been reviewed as a filler for polymer composites; however, there are no reviews about the utilization of conductive, semiconductive, and dielectric composites with various electrical/functional properties as electronic components for biomedical applications. These composites show considerable functions such as biodegradability, compatibility, electrochemical properties, magnetism, and photoluminescence. This review introduces the recent advances in biodegradable electronic devices using conductors, semiconductors, and dielectric‐based composites besides their materials, and fabrication methods for monitoring physiological signals, therapeutic systems, energy storage, and drug delivery, as well as substrate and encapsulation materials.

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Advanced materials for implantable neuroelectronics

Kang

Fang

2023

MRS Bulletin

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Biodegradable materials and devices for neuroelectronics

Cited by 4 publications

References 83 publications

Controlling the lifetime of biodegradable electronics: from dissolution kinetics to trigger acceleration

Controlling the lifetime of biodegradable electronics: from dissolution kinetics to trigger acceleration

Towards Polymer Composite‐Based Transient Electronic Systems

Advanced materials for implantable neuroelectronics

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