Cited by 384Neuroscience and Neural EngineeringConducting polymers and applicationsTissue Engineering and Regenerative Medicine

Bioinspired neuron-like electronics

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Yang, Xiao, Zhou, Tao, Zwang, Theodore J., Hong, Guosong, Zhao, Yunlong, Viveros, Robert D., Fu, Tian-Ming, Gao, Teng +1 more·2019·Nature Materials

Abstract

As an important application of functional biomaterials, neural probes have contributed substantially to studying the brain. Bioinspired and biomimetic strategies have begun to be applied to the development of neural probes, although these and previous generations of probes have had structural and mechanical dissimilarities from their neuron targets that lead to neuronal loss, neuroinflammatory responses and measurement instabilities. Here, we present a bioinspired design for neural probes-neuron-like electronics (NeuE)-where the key building blocks mimic the subcellular structural features and mechanical properties of neurons. Full three-dimensional mapping of implanted NeuE-brain interfaces highlights the structural indistinguishability and intimate interpenetration of NeuE and neurons. Time-dependent histology and electrophysiology studies further reveal a structurally and functionally stable interface with the neuronal and glial networks shortly following implantation, thus opening opportunities for next-generation brain-machine interfaces. Finally, the NeuE subcellular structural features are shown to facilitate migration of endogenous neural progenitor cells, thus holding promise as an electrically active platform for transplantation-free regenerative medicine.

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  • A flexible filamentary bioinspired neuron-like electronic has bending stiffness comparable to a neuron's axon, enabling biocompatible high-resolution local field potential recording.

    “The bending stiffness of this implant is comparable to that of a neuron’s axon, enabling biocompatible high-resolution LFP recording.[310]”

    From Flexible Electronics and Devices as Human–Machine Interfaces for Medical Robotics (2022) · cites this paper as [310]

    The Design and characteristics section states that the NeuE interconnect’s calculated bending stiffness is comparable to a neuron’s axon. The Summary and outlook reports negligible immune response, and Stable single-unit recording following implantation reports stable recordings of individual neurons. Our copy does not establish high-resolution local field potential (LFP) recording; its recording results concern single-unit spikes. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • With further processing technology, these materials can be fabricated into ultra-thin and ultra-fine forms, enabling high-density integration and some flexibility.

    “With further evolution of processing technology, these materials can be fabricated into ultra-thin and ultra-fine forms, thus enabling high-density integration, as well as endowing some flexibility.[310,311]”

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Authors
Yang, X., Zhou, T., Zwang, T. J., Hong, G., Zhao, Y., Viveros, R. D., Fu, T.-M., Gao, T., & Lieber, C. M.
Affiliations
Harvard University (US)
Corresponding author
Lieber, Charles M.
Venue
Nature Materials
Published
2019-02-25
Volume
18
Issue
5
Pages
510-517
ISSN
  • 1476-1122 (ISSN-L)
  • 1476-4660
OpenAlex
W2917088308
Cited by
384
References
53
Citations by year
2026: 20 · 2025: 53 · 2024: 55 · 2023: 71 · 2022: 36 · 2021: 70 · 2020: 46 · 2019: 33
FWCI
22.10
Type
journal article
Language
en
Open access
Locations
  • Nature Materials (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • Open Research (University of Surrey) (submittedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
Funders
  • National Institute on Aging (R00AG056636, K99AG056636)
  • National Institute on Drug Abuse (R21DA043985)
  • National Institute of Biomedical Imaging and Bioengineering (DP1EB025835)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
Keywords
neural probes, biomimetic materials, brain-computer interface, neuroinflammation, glial networks
MeSH terms
Animals, Animals, Newborn, Astrocytes, Biocompatible Materials, Brain, Brain Mapping, Electrodes, Implanted, Electronics, Hippocampus, Humans, Inflammation, Male, Materials Testing, Mice, Inbred C57BL, Mice, Transgenic, Neurons, Refractometry, Research Design, Stereotaxic Techniques, Stress, Mechanical, Neurites, Imaging, Three-Dimensional, Biomimetics, Green Fluorescent Proteins, Nanomedicine, Mice, Electrophysiological Phenomena, Brain-Computer Interfaces

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