Stretchable Polymeric Multielectrode Array for Conformal Neural Interfacing
Open accessAbstract
A highly stretchable neural interface of concurrent robust electrical and mechanical properties is developed with a conducting polymer film as the sole conductor for both the electrodes and the leads. This neural interface offers the benefits of conducting polymer electrodes in a demanding stretchable format, including low electrode impedance and high chargeinjection capacity, due to the large electroactive surface area of the electrode.
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Nanomaterials and conductive polymers used in implantable stimulation electrodes have higher charge injection capacity (1-15 mC cm−2) than conventional materials such as Pt (0.05-0.15 mC cm−2) and TiN (0.9 mC cm−2).
“In the recent decade, various nanomaterials[301,345,534,535] and conductive polymers[536–538] have also made their way into implantable stimulation electrodes, which have higher charge injection capacity (1~15 mC cm−2) compared to conventional materials (Pt 0.05~0.15 mC cm−2, TiN 0.9 mC cm−2).[39]”
From Flexible Electronics and Devices as Human–Machine Interfaces for Medical Robotics (2022) · cites this paper as [535]
The charge-injection passage (labeled Abstract in our copy; page unavailable) reports 3.9 mC cm−2 for a conducting-polymer electrode and says it outperformed many common electrode materials. It does not give the claimed Pt range of 0.05–0.15 mC cm−2 or TiN value of 0.9 mC cm−2, or establish the 1–15 mC cm−2 range for nanomaterials and conductive polymers generally. (LLM, conf=0.88)
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Self-citation
- Authors
- Guo, L., Ma, M., Zhang, N., Langer, R., & Anderson, D. G.
- Affiliations
- Koch Institute for Integrative Cancer Research At MIT (US)
- David H. Koch Institute for Integrative Cancer Research Department of Chemical Engineering Division of Health Science and Technology Institute for Medical Engineering and Science Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA
- Corresponding author
- Anderson, Daniel G.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2013-10-22
- Volume
- 26
- Issue
- 9
- Pages
- 1427-1433
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- PMC
- PMC4047984
- OpenAlex
- W1986261217
- Cited by
- 128
- References
- 42
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 4 · 2023: 14 · 2022: 6 · 2021: 15 · 2020: 15 · 2019: 14 · 2018: 18 · 2017: 13 · 2016: 10 · 2015: 8 · 2014: 2
- FWCI
- 3.27
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Advanced Materials (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
- PMC
- Funders
- Armed Forces Institute of Regenerative Medicine (W81XWH-08-2-0034)
- National Heart, Lung, and Blood Institute (HHSN268201000045C)
- National Cancer Institute (CA151884)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
- Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
- Keywords
- microelectrode arrays, conducting polymer electrodes, electrode impedance, charge injection capacity, electrochemically active surface area, neural recording
- MeSH terms
- Animals, Electric Conductivity, Electric Stimulation, Electrodes, Electrophysiology, Materials Testing, Neurons, Polymers, Pyrroles, Rats, Inbred Lew, Sciatic Nerve, Tensile Strength, Linear Models, Electric Impedance, Muscle, Skeletal, Pliability, Bridged Bicyclo Compounds, Heterocyclic, Elastomers, Rats, Elastic Modulus
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