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Conducting polymers grown in hydrogel scaffolds coated on neural prosthetic devices
Open accessAbstract
The conducting polymer polypyrrole (PPy) was electrochemically grown on hydrogel scaffolds deposited on the surface of microfabricated neural prosthetic devices. It is shown that the pyrrole monomer can be grown vertically through the hydrogel layer up to the surface without affecting the adjacent sites on the probes. The electrochemical properties of the conducting polymer‐modified hydrogels were studied by impedance spectroscopy and cyclic voltammetry. It is also found that the conducting polymers could still be readily grown through the hydrogel after the microstructure is disrupted by freeze drying. Impedance measurements at the biologically important frequency of 1 kHz showed that the minimum impedance of this polymer‐modified hydrogel was 7 kΩ. This is much lower than the minimum impedance of polypyrrole film (∼100 kΩ). © 2004 Wiley Periodicals, Inc. J Biomed Mater Res 71A: 577–585, 2004
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Cites
Micromachined, Polyimide-Based Devices for Flexible Neural Interfaces
Stieglitz, T., Beutel, H., Schuettler, M., & Meyer, J.-U. (2000) · Biomedical Microdevices · doi:10.1023/a:1009955222114 · Cited by 343
Cited by
Yuk, H., Lu, B., & Zhao, X. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00595h · Cited by 2,108
Conducting polymers in biomedical engineering
Guimard, N. K., Gomez, N., & Schmidt, C. E. (2007) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2007.05.012 · Cited by 1,599
Electrically conductive polymers and composites for biomedical applications
Kaur, G., Adhikari, R., Cass, P., Bown, M., & Gunatillake, P. (2015) · RSC Advances · doi:10.1039/c5ra01851j · Cited by 836
Soft and elastic hydrogel-based microelectronics for localized low-voltage neuromodulation
Liu, Y., Liu, J., Chen, S., Lei, T., Kim, Y., Niu, S., Wang, H., Wang, X., Foudeh, A. M., Tok, J. B.-H., et al. (2019) · Nature Biomedical Engineering · doi:10.1038/s41551-018-0335-6 · Cited by 811
Electroconductive hydrogels: Synthesis, characterization and biomedical applications
Guiseppi-Elie, A. (2010) · Biomaterials · doi:10.1016/j.biomaterials.2009.12.052 · Cited by 646
Metadata
- Authors
- Kim, D., Abidian, M., & Martin, D. C.
- Venue
- Journal of Biomedical Materials Research Part A
- Publisher
- Wiley
- Published
- 2004-10-27
- Volume
- 71A
- Issue
- 4
- Pages
- 577-585
- ISSN
- 1549-3296 (ISSN-L)
- 1552-4965
- OpenAlex
- W2143252380
- Cited by
- 289
- References
- 1
- FWCI
- 8.70
- Type
- journal article
- Language
- en
- Open access
- bronze
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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